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Capacitor patents



      
           
This page is updated frequently with new Capacitor-related patent applications. Subscribe to the Capacitor RSS feed to automatically get the update: related Capacitor RSS feeds. RSS updates for this page: Capacitor RSS RSS


Apparatus, method and article for providing to a user device information regarding availability of portable electrical…

Gogoro

Apparatus, method and article for providing to a user device information regarding availability of portable electrical…

Transceivers with a transformer supporting multiband operation

Mstar Semiconductor

Transceivers with a transformer supporting multiband operation

Date/App# patent app List of recent Capacitor-related patents
01/22/15
20150026847
 Radio-frequency reflectometry scanning tunneling microscope patent thumbnailRadio-frequency reflectometry scanning tunneling microscope
An rf reflectometry scanning tunneling microscope is suitable for observing a surface of an object, and includes a probe that cooperates with the object to form a tunneling resistor therebetween, an rf resonant circuit that cooperates with the tunneling resistor to form a lcr resonant circuit including an inductor connected to a parallel connection of a capacitor, a resistor and the tunneling resistor, a directional coupler receiving an rf signal and outputting the rf signal to the lcr resonant circuit, and an rf signal measuring device that generates a scanning result associated with the surface of the object based on a reflected rf signal resulting from reflection of the rf signal by the lcr resonant circuit.. .
National Taiwan University
01/22/15
20150025923
 Apparatus, method and article for providing to a user device information regarding availability of portable electrical energy storage devices at a portable electrical energy storage device collection, charging and distribution machine patent thumbnailApparatus, method and article for providing to a user device information regarding availability of portable electrical energy storage devices at a portable electrical energy storage device collection, charging and distribution machine
A network of collection, charging and distribution machines collect, charge and distribute portable electrical energy storage devices (e.g., batteries, supercapacitors or ultracapacitors). Availability of charged portable electrical energy storage devices available at a collection, charging and distribution machine are communicated to or acquired by a mobile device of a user or a user's vehicle.
Gogoro, Inc.
01/22/15
20150024695
 Transceivers with a transformer supporting multiband operation patent thumbnailTransceivers with a transformer supporting multiband operation
Several multiband transceivers are disclosed. An exemplified multiband transceiver supporting different bands has a transformer, an inbound switch circuit, and an outbound switch circuit.
Mstar Semiconductor, Inc.
01/22/15
20150024267
 Electrolyte having improved high-rate charge and discharge property, and capacitor comprising same patent thumbnailElectrolyte having improved high-rate charge and discharge property, and capacitor comprising same
Further, the present invention relates to an electrolyte for a lithium secondary battery, and a lithium secondary battery using the same, and more particularly to an electrolyte for a lithium secondary battery, which is the electrolyte having improved high-rate charge and discharge property comprising a linear acrylate compound, wherein the linear acrylate compound is a linear acrylate compound composed of any one linear structure of ether, ketone, ester and amide, and a lithium secondary battery using the same.. .
01/22/15
20150023801
 Fan system - rotation speed control circuit and  rotation speed error auto-calibration thereof patent thumbnailFan system - rotation speed control circuit and rotation speed error auto-calibration thereof
A rotation speed control circuit with function of auto-calibrating rotation speed error is disclosed. The rotation speed control circuit includes a first multiplexer, a second multiplexer, an error amplifier and a current compensation circuit.
Anpec Electronics Corporation
01/22/15
20150023398
 Voltage regulator for a serializer/deserializer communication application patent thumbnailVoltage regulator for a serializer/deserializer communication application
The voltage regulator device has a wide band amplifier having an input reference voltage, vref and an input feedback voltage, vfbk. The device has a source follower coupled to the wide band amplifier, the source follower coupled to an output of the wide band amplifier.
Inphi Corporation
01/22/15
20150023378
 Circuit and  controlling light-emitting components patent thumbnailCircuit and controlling light-emitting components
Circuit arrangement or circuit, in particular driver circuit, and a method for controlling at least one light-emitting component, such as an electro-optical transducer, a light-emitting diode (led), an electroluminescent diode, a laser, or a semiconductor laser, by switching a switching element between a first switching position and a second switching position, and the voltage supply is effected by a supply element, such as a voltage source or a current source supported by a decoupling capacitor on the output side, so that current drain and output resistance are as low as possible, so that the highest possible frequency or switching speed as well as the highest possible output voltage for the light-emitting component can be achieved, the light-emitting component is controlled by varying its operating voltage, in particular by switching between the switching positions, and the first and second switching positions are of low impedance for the operating frequency.. .
Silicon Line Gmbh
01/22/15
20150023114
 Semiconductor device and  driving the same patent thumbnailSemiconductor device and driving the same
One of a source and a drain of a first oxide semiconductor (os) transistor is connected to a gate of a second os transistor and one electrode of a first capacitor. One of a source and a drain of the second os transistor is connected to one electrode of a second capacitor and one of a source and a drain of a si transistor.
Semiconductor Energy Laboratory Co., Ltd.
01/22/15
20150023090
 Semiconductor memory device patent thumbnailSemiconductor memory device
To increase a storage capacity of a memory module per unit area, and to provide a memory module with low power consumption, a transistor formed using an oxide semiconductor film, a silicon carbide film, a gallium nitride film, or the like, which is highly purified and has a wide band gap of 2.5 ev or higher is used for a dram, so that a retention period of potentials in a capacitor can be extended. Further, a memory cell has n capacitors with different capacitances and the n capacitors are each connected to a corresponding one of n data lines, so that a variety of the storage capacitances can be obtained and multilevel data can be stored.
Semiconductor Energy Laboratory Co., Ltd.
01/22/15
20150023083
 Power converter patent thumbnailPower converter
In a filter capacitor including three capacitor elements including a first capacitor element at an end on one side in an electrical connection form and a second capacitor element at an end on the other side, a pair of direct-current terminals including a positive-electrode-side main terminal and a negative-electrode-side main terminal, which receive a direct-current voltage from a direct-current power supply, are provided, a first conductor path length between a positive-electrode-side terminal of the first capacitor element and the positive-electrode-side main terminal and a second conductor path length between a positive-electrode-side terminal of the second capacitor element and the positive-electrode-side main terminal are approximately the same, and a third conductor path length between a negative-electrode-side terminal of the first capacitor element and the negative-electrode-side main terminal and a fourth conductor path length between the negative-electrode-side terminal of the second capacitor element and the negative-electrode-side main terminal are approximately the same.. .
Mitsubishi Electric Corporation
01/22/15
20150023073

Power control device and image forming apparatus including the same


A power control device and an image forming apparatus including the same are disclosed. A power control device meets the need for low power consumption by minimizing standby power consumption in a plug-on state of an electronic apparatus, and meets the safety requirements by increasing a discharging rate of an x-cap or an e-cap in a plug-off state.
Samsung Electronics Co., Ltd.
01/22/15
20150023067

Power-factor correction circuit


The present invention includes: a series circuit including a reactor and a switching element connected between the rectified-current output terminals of a rectifier; a series circuit including a diode and a smoothing capacitor for obtaining an output voltage, connected in parallel to the switching element; an error amplifier configured to detect the output voltage, amplify the error between the detected output voltage and a reference voltage, and output an error signal; a zero-current detector configured to output a signal when detecting that a reactor current flowing in the reactor has become zero current; a correction signal circuit configured to detect a switching current flowing in the switching element, and generate a correction signal corresponding to the detected switching current; and an on-period control circuit configured to control the switching element's on period in accordance with the error signal and correction signal, from when the zero-current detector detects the zero current.. .
Sanken Electric Co., Ltd.
01/22/15
20150022991

Capacitor with multiple elements for multiple replacement applications


An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal.
American Radionic Company, Inc.
01/22/15
20150022974

Power conversion apparatus and electric vehicle


The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area.. .
Hitachi, Ltd.
01/22/15
20150022951

Separator for electrolytic capacitor and electrolytic capacitor


A cellulose solution obtained by dissolving cellulose in an amine oxide solvent is formed in a film form, and the resulting cellulose solution is immersed in water or a poor solvent of the amine oxide solvent, so as to coagulate and regenerate the cellulose. The regenerated cellulose is washed with water to remove the amine oxide solvent, and then dried, thereby obtaining a cellulose film that is thin, uniform, and dense and has few impurities.
Nippon Kodoshi Corporation
01/22/15
20150022948

Capacitor structure


A capacitor structure includes a first electrode structure and a second electrode structure. The first electrode structure includes a first negative plate and a first positive plate spaced apart from each other.
Samsung Electronics Co., Ltd.
01/22/15
20150022947

Capacitors for high voltage charge and high current discharge rates


A capacitor including: a first conductive plate; a second conductive pate arranged parallel to the first conductive plate to define a spacing between a surface of the first conductive plate and an opposing surface of the second conductive plate; a dielectric material disposed in the plate; and a capacitor lead connected to one of the first and second conductive plates at a connection region; wherein a thickness of the space is varied in the connection region.. .
Omnitek Partners Llc
01/22/15
20150022946

Multilayer ceramic capacitor and manufacturing the same


There is provided a multilayer ceramic capacitor including: a ceramic body including a plurality of dielectric layers laminated in a width direction, first and second external electrodes formed on the first main surface of the ceramic body to be spaced apart from each other, third and fourth external electrodes formed on the second main surface of the ceramic body to be spaced apart from each other, a capacitor unit including a plurality of first and second internal electrodes disposed to face each other with the dielectric layers interposed therebetween within the ceramic body and electrically connected to the first to fourth external electrodes, and at least one equivalent serial resistance (esr) control layer interposed within the ceramic body to be perpendicular to the mounting surface.. .
Samsung Electro-mechanics Co., Ltd.
01/22/15
20150022945

Multilayer ceramic capacitor, board having the same mounted thereon, and manufacturing the same


There is provided a multilayer ceramic capacitor including: a ceramic body including a plurality of dielectric layers; a plurality of first and second internal electrodes disposed in the ceramic body to be alternately exposed to the third and fourth end surfaces, having the dielectric layers interposed therebetween; and first and second external electrodes electrically connected to the first and second internal electrodes, wherein the first and second external electrodes include: first and second conductive glass layers; first and second conductive resin layers containing copper and an epoxy; and first and second insulating layers.. .
Samsung Electro-mechanics Co., Ltd.
01/22/15
20150022943

Multilayer ceramic capacitor to be embedded in board, manufacturing the same, and manufacturing board having multilayer ceramic capacitor embedded therein


There is provided a multilayer ceramic capacitor to be embedded in a board, including: a ceramic body; first and second internal electrodes alternately exposed through end surfaces of the ceramic body; first and second external electrodes formed on end surfaces of the ceramic body; and first and second plating layers enclosing the first and second external electrodes, wherein when distance from one end of bands of the first or second external electrode to the other end thereof is ‘a’ and distance between points at which a virtual line drawn from a point vertically spaced apart from a surface of the first or second plating layer at a point ½×a from one end of the bands inwardly of the ceramic body by 3 μm in length direction of the ceramic body intersects points on the surface of the first or second plating layer is ‘b,’ b/a≧0.6.. .
Samsung Electro-mechanics Co., Ltd.
01/22/15
20150022942

Multilayer ceramic capacitor and manufacturing the same


A multilayer ceramic capacitor includes a ceramic body; an active layer including a plurality of first and second internal electrodes alternately exposed to both end surfaces of the ceramic body with a dielectric layer interposed therebetween; upper and lower cover layers formed on upper and lower surfaces of the active layer; and first and second external electrodes formed on the end surfaces of the ceramic body, wherein when a thickness of the ceramic body is defined as t, a thickness of the active layer is defined as s, a thickness of the lower cover layer is defined as c, and a distance from an end of a lowermost internal electrode in a length direction to an end of a band portion of an external electrode close to the end of the lowermost internal electrode is defined a, 0.25≦s/t≦0.75 and 3≦a/c≦10 are satisfied.. .
Samsung Electro-mechanics Co., Ltd.
01/22/15
20150022939

Capacitor and fabricating the same


Disclosed are a capacitor and a method of fabricating the same. The capacitor includes a first electrode; a second electrode spaced apart from the first electrode while facing the first electrode; a driving member connected to the second electrode to move the second electrode relative to the first electrode; and an insulating connection member between the driving member and the second electrode..
Lg Innotek Co., Ltd.
01/22/15
20150022938

Chip capacitor and manufacturing the same


[theme] to provide a chip capacitor capable of easily and rapidly accommodating a plurality of types of capacitance values using a common design and a method for manufacturing the chip capacitor. [solution] a chip capacitor 1 includes a substrate 2, a first external electrode 3, a second external electrode 4, capacitor elements c1 to c19, and fuses f1 to f9 disposed on the substrate 2.
Rohm Co., Ltd.
01/22/15
20150022937

Composite electronic component and board having the same


A composite electronic component may include: a composite element in which a capacitor and an inductor are spaced apart from each other, the capacitor including a ceramic body, and the inductor including a magnetic body; a first external electrode disposed on a second end surface of the ceramic body, second external electrodes disposed on first and second side surfaces of the ceramic body, a first dummy electrode disposed on a first end surface of the ceramic body; and third and fourth external electrodes disposed on first and second end surfaces of the magnetic body. The composite element may include a first metal frame disposed on a first end surface of the composite element, a second metal frame disposed on a second end surface of the composite element, and third metal frames disposed on one or more of first and second side surfaces of the composite element..
Samsung Electro-mechanics Co., Ltd.
01/22/15
20150022928

Hybrid dc circuit breaking device


A dc breaker is connected in a main current path between a first dc circuit and a second dc circuit. The dc breaker has a primary current path connected to the main current path.
Siemens Aktiengesellschaft
01/22/15
20150022747

Display device and driving method thereof


A display device includes a display panel, a data driver, a gate driver, and a signal controller. The display panel includes a pixel connected to the gate and data lines, and the pixel includes a liquid crystal capacitor.
Samsung Display Co., Ltd.
01/22/15
20150022702

Analog-to-digital converter, image sensor including the same, and image processing device including the image sensor


An analog-to-digital converter includes a gain amplification unit configured to receive a pixel signal at a first node and to amplify a gain of the pixel signal, a first capacitor connected between the first node and a second node, an amplifier configured to receive and amplify a signal output from the gain amplification unit and the first capacitor, and a conversion circuit configured to convert an output signal of the amplifier to a digital signal based on a reference signal and output the digital signal as a first output signal.. .
Samsung Electronics Co., Ltd.
01/22/15
20150022407

Metamaterial reconfigurable antennas


Leaky wave antennas that can be reconfigured in pattern and/or polarization by exploiting the characteristic of metamaterial structures loaded with variable capacitor and inductors employ a composite right left handed (crlh) unit cell with two independent dc biases used to actively change the group delay of the transmission line and the polarization of the radiated field while preserving good impedance matching. Different degrees of pattern and polarization reconfigurability are achieved by cascading multiple of these unit cells along a straight line, a circular line or a zigzag line while preserving high gain for all the antenna configurations and good impedance matching..
Drexei University
01/22/15
20150022322

Passive transponder with a charging circuit


In one embodiment, a passive transponder comprising a first circuit comprising a first attenuator, the first circuit configured to receive a first signal from at least one base station and coupled to a first node, a first rectifier coupled to the first node, the first rectifier configured in a forward direction to charge a first capacitor, and the first capacitor coupled to the first rectifier, the first capacitor configured to receive a charge from the attenuator sufficient for powering the passive transponder.. .
Atmel Corporation
01/22/15
20150022281

Capacitors adapted for acoustic resonance cancellation


An embodiment of the present invention provides a method, comprising reducing the losses due to electro-mechanical coupling and improving q in a multilayered capacitor by placing a first capacitor layer adjacent at least one additional capacitor layer and sharing a common electrode in between the two such that the acoustic vibration of the first layer is coupled to an anti-phase acoustic vibration of the at least one additional layer.. .
Blackberry Limited
01/22/15
20150022251

Nonvolatile latch circuit and logic circuit, and semiconductor device using the same


To provide a novel nonvolatile latch circuit and a semiconductor device using the nonvolatile latch circuit, a nonvolatile latch circuit includes a latch portion having a loop structure where an output of a first element is electrically connected to an input of a second element, and an output of the second element is electrically connected to an input of the first element; and a data holding portion for holding data of the latch portion. In the data holding portion, a transistor using an oxide semiconductor as a semiconductor material for forming a channel formation region is used as a switching element.
Semiconductor Energy Laboratory Co., Ltd.
01/22/15
20150022249

Method and generating a ramp signal


An apparatus and method for generating a ramp signal includes applying a constant reference voltage to a reference capacitor and controlling charging or discharging of the reference capacitor with a programmable current generator to provide the ramp signal at a ramp signal node. The method can include, buffering the ramp signal to an output node to drive a load.
Taiwan Semiconductor Manufacturing Co., Ltd.
01/22/15
20150022219

Insulation state detecting device


In a high-speed measurement mode, a high-voltage measurement mode (v0 measurement) is omitted and only a negative-pole side ground fault resistor voltage measurement mode (vc1n measurement) and a positive-pole side ground fault resistor voltage measurement mode (vc1p measurement) are performed. In the negative-pole side ground fault resistor voltage measurement mode (vc1n measurement) and the positive-pole side ground fault resistor voltage measurement mode (vc1p measurement), the charging time for the flying capacitor is set to a second predetermined time period that is shorter than a first predetermined time period, which is different from basic operations in a normal measurement mode..
Yazaki Corporation
01/22/15
20150022179

Voltage transformer having a first parallel connection


A voltage transformer is described, which includes a. First parallel connection of a first capacitor having a number of n>=1 actuators connected in parallel having n-input voltages and n-input currents.
01/22/15
20150022169

Feedback/feed forward switched capacitor voltage regulation


A method of controlling a switched capacitor voltage regulator includes modifying a topology factor associated with the switched capacitor voltage regulator in response to a change in output voltage associated with the switched capacitor voltage regulator, thereby maintaining an average output voltage associated with the switched capacitor voltage regulator. The method also includes modifying a loop delay associated with the switched capacitor voltage regulator in response to a change in operational frequency associated with the switched capacitor voltage regulator, thereby reducing ripple amplitude associated with the switched capacitor voltage regulator.
Lsi Corporation
01/22/15
20150022164

Power factor correction converter and control method thereof


A power factor correction converter and a control method are disclosed. A power factor correction converter includes a power conversion module, a capacitor, a third switch unit, and a fourth switch capacitor.
Delta Electronics (shanghai) Co., Ltd.
01/22/15
20150022163

Pfc circuit


In one embodiment, a power factor correction (pfc) circuit can include: (i) a rectifier bridge and a pfc converter coupled to an input capacitor; (ii) a harmonic wave compensation circuit configured to shift a phase of a dc input voltage provided from the rectifier bridge, where the harmonic wave compensation circuit comprises a phase of about −45° when a corner frequency is about 50 hz; and (iii) a pfc control circuit configured to control the pfc converter, where the pfc control circuit comprises a first sampling voltage, and the harmonic wave compensation circuit is configured to control a phase of the first sampling voltage to lag a phase of the dc input voltage by about 45°.. .
Silergy Semiconductor Technology (hangzhou) Ltd
01/22/15
20150022031

Electromagnetic propulsion system


A system for propelling craft which is applicable in any environment. It employs an alternating magnetic field supplied by a coil.
01/22/15
20150022006

Renewable energy power generation systems


We describe a modular adjustable power factor renewable energy inverter system. The system comprises a plurality of inverter modules having a switched capacitor across its ac power output, a power measurement system coupled to a communication interface, and a power factor controller to control switching of the capacitor.
Enecsys Limited
01/22/15
20150021994

Power converter having emi filter common to multiple converters


A power supply system is disclosed that includes a first interleaved power supply, a second interleaved power supply, and a common electromagnetic interference filter. The common electromagnetic interference filter is configured to provide dc power from a dc power source to both the first interleaved power supply and the second interleaved power supply.
The Boeing Company
01/22/15
20150021984

System and controlling energy under interlock of eco-friendly vehicle


A system and method for controlling energy of an eco-friendly vehicle are provided and include turning off, by a controller, a main relay in response to sensing interlock by means of a detection circuit and charging a secondary batter by discharging voltage of a capacitor in an inverter to the secondary battery, under control of voltage output from a low voltage dc converter after the main relay is turned off. In addition, the controller is configured to discharge dc-link voltage to a driving motor by operating the inverter after charging the second battery..
Hyundai Motor Company
01/22/15
20150021737

Metal-insulator-metal (mim) capacitor with deep trench (dt) structure and method in a silicon-on-insulator (soi)


A structure forming a metal-insulator-metal (mim) trench capacitor is disclosed. The structure comprises a multi-layer substrate having a metal layer and at least one dielectric layer.
International Business Machines Corporation
01/22/15
20150021676

High voltage metal-oxide-metal (hv-mom) device, hv-mom layout and making the hv-mom device


A high voltage metal-oxide-metal (hv-mom) device includes a substrate, a deep well in the substrate and at least one high voltage well in the substrate over the deep well. The hv-mom device further includes a dielectric layer over each high voltage well of the at least one high voltage well and a gate structure over the dielectric layer.
Taiwan Semiconductor Manufacturing Company, Ltd.
01/22/15
20150021610

Semiconductor structures with deep trench capacitor and methods of manufacture


An integrated finfet and deep trench capacitor structure and methods of manufacture are disclosed. The method includes forming at least one deep trench capacitor in a silicon on insulator (soi) substrate.
International Business Machines Corporation
01/22/15
20150021561

Thin film transistor array substrate and organic light emitting display apparatus including the same


A thin film transistor array substrate includes: a driving thin film transistor including an active layer having a bent shape, where the active layer includes: a first active pattern extending substantially in a first direction; and a second active pattern extending substantially in a second direction perpendicular to the first direction and connected to the first active pattern, and a gate electrode disposed on the active layer, where gate electrode overlaps the first active pattern and exposes the second active pattern; and a capacitor including a first electrode defined by the gate electrode of the driving thin film transistor, and a second electrode disposed on the first electrode, where the second electrode overlaps substantially an entire surface of the first electrode.. .
Samsung Display Co., Ltd.
01/22/15
20150021206

Electrode configuration for limca


Disclosed is a method and apparatus for reducing electromagnetic noise pick up in a liquid metal cleanliness analyzer (limca), used to detect and measure particles in molten metal. A first electrode inserted in the molten metal is electrically insulated from second and third electrodes, also inserted in the molten metal.
Novelis Inc.
01/22/15
20150021082

Multilayer ceramic capacitor and board having the same


A multilayer ceramic capacitor may include: a ceramic body including a plurality of dielectric layers; first and second internal electrodes disposed in the ceramic body, the first internal electrode having first and second lead portions exposed to a first surface of the ceramic body in a width direction, and the second internal electrode having a third lead portion exposed to the first surface of the ceramic body in the width direction; first to third external electrodes disposed on the first surface of the ceramic body in the width direction to be connected to the first to third lead portions, respectively; and an insulation layer disposed on the first surface of the ceramic body in the width direction. Each of the first and second lead portions may be spaced apart from the third lead portion by a predetermined distance..
Samsung Electro-mechanics Co., Ltd.
01/22/15
20150021076

Array-type multilayer ceramic electronic component, board for mounting the same, and manufacturing the same


There is provided an array type multilayer ceramic electronic component including a ceramic body having a plurality of dielectric layers stacked in a length direction, a first capacitor part including a plurality of first and second internal electrodes alternately exposed through both side surfaces of the ceramic body, a second capacitor part disposed to be spaced apart from the first capacitor part and including a plurality of third and fourth internal electrodes, a first external electrode formed on one side surface, a second external electrode disposed to be spaced apart from the first external electrode, formed on one side surface of the ceramic body, and a third external electrode formed on the other side surface of the ceramic body.. .
Samsung Electro-mechanics Co., Ltd.
01/22/15
20150021073

Multilayer ceramic capacitor and board having the same mounted thereon


A multilayer ceramic capacitor may include: a ceramic body in which dielectric layers having an average thickness of 0.2 μm to 2.0 μm are stacked; an active layer configured to form capacitance by including first and second internal electrodes alternately exposed to both end surfaces of the ceramic body, having at least one of the dielectric layers interposed therebetween; an upper cover layer formed on the active layer; a lower cover layer formed below the active layer and being thicker than the upper cover layer; and first and second external electrodes covering the end surfaces of the ceramic body. At least one edge of the ceramic body in length, width, and thickness directions may be rounded.
Samsung Electro-mechanics Co., Ltd.
01/15/15
20150018756

Method for increasing buck regulator efficiency using charge recapturing in an implantable cardiac device


A typical power switch in a buck regulator requires a pre-driver to ensure rapid transition from its on to off states. In this invention, the shoot through current in the pre-driver and the power switch's gate-charge in a buck regulator is itself recaptured in the capacitor of the buck regulator.
Cameron Health, Inc.
01/15/15
20150017779

Semiconductor device having stacked storage nodes of capacitors in cell region separated from peripheral region


Methods of fabricating a semiconductor device are provided. The method includes forming a first mold layer on a in a cell region and a peripheral region, forming first storage nodes penetrating the first mold layer in the cell region and a first contact penetrating the first mold layer in the peripheral region, forming a second mold layer on the first mold layer, forming second storage nodes that penetrate the second mold layer to be connected to respective ones of the first storage nodes, removing the second mold layer in the cell and peripheral regions and the first mold layer in the cell region to leave the first mold layer in the peripheral region, and forming a second contact that penetrates a first interlayer insulation layer to be connected to the first contact.
Sk Hynix Inc.
01/15/15
20150017778

Capacitor in post-passivation structures and methods of forming the same


A device includes a metal pad and a passivation layer having a portion overlapping the metal pad. A capacitor includes a bottom capacitor electrode underlying the passivation layer, wherein the bottom capacitor includes the metal pad.
Taiwan Semiconductor Manufacturing Company, Ltd.
01/15/15
20150016206

Apparatus and method to measure energy capacity of a backup power supply without compromising power delivery


A device includes a backup power supply configured to provide power to an external system upon loss of primary system power. The backup power provided by at least one capacitor.
Agiga Tech Inc.
01/15/15
20150016181

Memory device and driving the memory device


A memory device which can reduce power consumption and a driving method thereof are disclosed. In a memory element including an inverter and the like, a capacitor for holding data and a capacitor switching element for controlling store and release of charge in the capacitor are provided.
Semiconductor Energy Laboratory Co., Ltd.
01/15/15
20150016180

Memory architectures having dense layouts


Some embodiments relate to a memory cell to store one or more bits of data. The memory cell includes a capacitor including first and second capacitor plates which are separated from one another by a dielectric.
Taiwan Semiconductor Manufacturing Co., Ltd.
01/15/15
20150016179

Memory circuit


While the supply of power is stopped, a data signal that has been held in a volatile memory section can be held in a nonvolatile memory section. In the nonvolatile memory section, a transistor having an extremely low off-state current allows a data signal to be held in the capacitor for a long period of time.
Semiconductor Energy Laboratory Co., Ltd.
01/15/15
20150016175

Cmos analog memories utilizing ferroelectric capacitors


A memory cell and memories constructed from that memory cell are disclosed. A memory according to the present invention includes a ferroelectric capacitor, a charge source and a read circuit.
Radiant Technologies, Inc.
01/15/15
20150016165

Gated thyristor power device


An improved gated thyristor that utilizes less silicon area than igbt, bipolars or mosfets sized for the same application is provided. Embodiments of the inventive thyristor have a lower gate charge, and a lower forward drop for a given current density.
01/15/15
20150016164

High-voltage power supply apparatus and image forming apparatus


The high-voltage power supply apparatus includes an inductor to be applied with a voltage when a driving unit is driven by a drive signal at a predetermined frequency, a rectification unit connected to both ends of the inductor, the rectification unit including multiple capacitors and multiple diodes, a current detection unit configured to detect a current flowing through the rectification unit, and a control unit configured to control a duty of the drive signal based on a result of detection by the current detection unit.. .
Canon Kabushiki Kaisha
01/15/15
20150016158

Method for providing low voltage dc power from ac mains power


According to one aspect, embodiments of the invention provide a power supply system comprising an input line configured to receive input ac power, a first capacitor coupled to the input line, a second capacitor, a controller, a rectifier having an input coupled to the first capacitor and an output coupled to the second capacitor, the second capacitor further coupled to the controller, and a switch selectively coupled across the first capacitor, and configured to selectively bypass the first capacitor, wherein the controller is configured to detect a voltage across the second capacitor, operate the switch to charge the second capacitor at a first rate if the voltage is above a predetermined threshold, and operate the switch to charge the second capacitor at a second rate if the voltage is below a predetermined threshold.. .
Schneider Electric It Corporation
01/15/15
20150016026

Solid electrolytic capacitor


Disclosed is (1) an anode body for capacitors, which is composed of a sintered body containing tungsten dioxide in amount of 80 mass % or more and preferably silicon element in amount of 3.4 mass % or less, (2) a powder as a raw material of the sintered body containing a mixture of tungsten dioxide and silicon element powder in an amount of 80 mass % or more and 3.4 mass % or less, respectively, and which may optionally contain metal tungsten powder, (3) a method for producing an anode body for capacitors, and (4) an electrolytic capacitor which uses the anode body as one electrode and has a dielectric body interposed between the electrode and a counter electrode.. .
Showa Denko K.k.
01/15/15
20150016025

Aluminum electrolytic capacitor and rubber seal for same


A lead terminal is passed through a terminal passage hole of a rubber seal, without imposing an excessive burden such that the characteristics of the capacitor element would be degraded, and while maintaining a state of reliable isolation from the outside air. In an aluminum electrolytic capacitor in which the hole diameter f2 of a lead wire passage hole (52) is smaller than the outside diameter f1 of an outside lead wire (22), the outside lead wire (22) being forcibly passed to the outside through lead wire passage hole (52), a conical guide surface (53) of progressively smaller diameter is formed between a round bar mating hole (51) and the lead wire passage hole (52) within a terminal passage hole (5).
Elna Co., Ltd.
01/15/15
20150016024

Cathode active material having core-shell structure and producing method thereof


Disclosed is a cathode active material having a core-shell structure. The core-shell cathode active material includes a core including a lithium transition metal oxide with excellent electrochemical properties and a shell formed by coating the surface of the core with a transition metal oxide.
Korea Insitiute Of Science And Technology
01/15/15
20150016023

Positioning spacer, energy storage module using said spacer and assembling the module


The invention concerns a positioning spacer for positioning electrical energy storage elements, such as supercapacitors or ultracapacitors connected in series, in an electrical energy storage module, wherein the spacer comprises a first support part and a second part forming a rim relative to the first part, the positioning spacer comprising, at the free end of the second part thereof, at least one housing recess, the spacer being made from an electrically insulating material.. .
Blue Solutions
01/15/15
20150016018

Ceramic electronic component and manufacturing the same


External electrodes, electrically connected to exposed portions of internal electrodes, are arranged on end surfaces of a ceramic main body of a laminated ceramic capacitor. Alloy layers of a metal contained in internal electrodes, and a metal contained in external electrodes, are arranged at the boundaries between external electrodes, and the ceramic main body and internal electrodes.
Murata Manufacturing Co., Ltd.
01/15/15
20150016017

Dielectric composition and multi-layered ceramic capacitor


A dielectric composition may include a first dielectric powder; and a second dielectric powder having an average grain size smaller than that of the first dielectric powder and included in the dielectric composition in an amount of 0.01 to 1.5 parts by weight based on 100 parts by weight of the first dielectric powder, and a multilayer ceramic capacitor formed using the same. A multilayer ceramic capacitor may include: a ceramic body including dielectric layers; first and second internal electrodes disposed in the ceramic body to face each other with the respective dielectric layers interposed therebetween; and first and second external electrodes electrically connected to the first and second internal electrodes, respectively.
Samsung Electro-mechanics Co., Ltd.
01/15/15
20150016016

Array-type multilayer ceramic electronic component and mounting board therefor


An array-type multilayer ceramic electronic component includes a ceramic body in which a plurality of dielectric layers are stacked in a length direction; a plurality of capacitor parts having different capacitances and including a plurality of first and second internal electrodes disposed with predetermined intervals therebetween in the length direction to be alternately exposed to both side surfaces of the ceramic body, having dielectric layers therebetween; and a plurality of first and second external electrodes disposed with predetermined intervals therebetween in the length direction and disposed on both side surfaces of the ceramic body. The plurality of respective capacitor parts include different amounts of internal electrodes stacked therein..
Samsung Electro-mechanics Co., Ltd.
01/15/15
20150016015

Multi-layered capacitor


Disclosed herein is a multi-layered capacitor including: a multi-layered body which includes a capacity part formed by multi-layering a dielectric layer and an internal electrode and a cover part formed by multi-layering the dielectric layer; and a pair of external terminals disposed on both sides of the multi-layered body, in which the cover part is formed by multi-layering a first dielectric layer made of a ferroelectric material and a second dielectric layer made of a paraelectric material, thereby implementing thinness, miniaturization, and high capacity and increasing durability.. .
Samsung Electro-mechanics Co., Ltd.
01/15/15
20150016014

Multilayer ceramic capacitor and manufacturing method thereof


There is provided a multilayer ceramic capacitor including, a ceramic body having a plurality dielectric layers stacked therein and a groove portion recessed inwardly in a lower surface thereof in a width direction, a plurality of first and second internal electrodes disposed in the ceramic body to be alternately exposed through both end surfaces of the ceramic body, having the dielectric layers therebetween, and first and second external electrodes respectively formed on both end portions of the ceramic body and electrically connected to the first and second internal electrodes, respectively.. .
Samsung Electro-mechanics Co., Ltd.
01/15/15
20150016013

Multilayer ceramic capacitor


There is provided a multilayer ceramic capacitor including, a ceramic body; a plurality of first and second internal electrodes disposed to be alternately exposed through first and second side surfaces facing each other in a width direction; and first and second external electrodes formed on the surfaces of the ceramic body in the width and thickness directions, wherein when a length of the ceramic body is defined as l, a width of the ceramic body is defined as w, a thickness of the ceramic body is defined as h, and a length of the first or second external electrode is defined as b, a ratio l/w of the length to the width of the ceramic body satisfies 1.4≦l/w≦2.1, and a relationship b×h/l between the thickness and the width of the ceramic body and the length of the first or second external electrode satisfies b×h/l≦1.27.. .
Samsung Electro-mechanics Co., Ltd.
01/15/15
20150016012

Capacitor with multiple elements for multiple replacement applications


A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements.
American Radionic Company, Inc.
01/15/15
20150016003

Methods and apparatus to clamp overvoltages for alternating current systems


Methods and apparatus to clamp overvoltages for inductive power transfer systems are described herein. An example overvoltage protection circuit is described, including a first terminal configured to receive an alternating current signal for conversion to a second signal, a capacitor, a first switch configured to selectively electrically couple the capacitor to the first terminal based on an overvoltage detection signal to reduce an overvoltage on the second signal, and an overvoltage detector.
Texas Instruments Incorporated


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