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Diamond patents


This page is updated frequently with new Diamond-related patent applications.

Date/App# patent app List of recent Diamond-related patents
 Guitar pick having cvd diamond or dlc coating patent thumbnailnew patent Guitar pick having cvd diamond or dlc coating
A guitar pick comprises a substrate layer and a diamond film layer or coating. The diamond film layer is composed of chemical vapor deposited diamond, or diamond-like carbon.

 Fracture-resistant self-lubricating wear surfaces patent thumbnailnew patent Fracture-resistant self-lubricating wear surfaces
Fracture-resistant and self-lubricating wear surfaces are provided. In an implementation, a machine surface that is subject to wear is coated with or is constructed of a metallic nanostructure to resist the wear and to provide fracture-resistant hardness, built-in lubrication, and thermal conductivity for heat-sinking friction.

 Iron-based sprayed coating, cylinder block for internal combustion engine using same, and sliding mechanism for internal combustion engine patent thumbnailnew patent Iron-based sprayed coating, cylinder block for internal combustion engine using same, and sliding mechanism for internal combustion engine
An iron-based sprayed coating for coating a bore inner surface of a cylinder block for an internal combustion engine. A coating surface contains pits, its pit amount is within a range of 0.01% to 2.1%, and an average roughness ra of this coating surface is within a range of 0.01 μm to 0.15 μm.

 Apparatus and  manufacturing free standing cvd polycrystalline diamond films patent thumbnailnew patent Apparatus and manufacturing free standing cvd polycrystalline diamond films
In a system and method of growing a diamond film, a cooling gas flows between a substrate and a substrate holder of a plasma chamber and a process gas flows into the plasma chamber. In the presence of an plasma in the plasma chamber, a temperature distribution across the top surface of the substrate and/or across a growth surface of the growing diamond film is controlled whereupon, during diamond film growth, the temperature distribution is controlled to have a predetermined temperature difference between a highest temperature and a lowest temperature of the temperature distribution.

 Diamond coated tool patent thumbnailnew patent Diamond coated tool
The present invention provides a diamond coated tool which is resistant to exfoliation at an interface between a base material and a diamond layer. The diamond coated tool of the present invention is a diamond coated tool including a base material and a diamond layer coating a surface of the base material, and characterized in that the surface of the base material has an arithmetic average roughness ra of not less than 0.1 μm and not more than 10 μm and an average length of roughness profile elements rsm of not less than 1 μm and not more than 100 μm, and that the diamond layer has a plurality of cavities extending from a portion bordering on the base material in a crystal growth direction..

 Magnetism measuring device patent thumbnailnew patent Magnetism measuring device
A magnetism measuring device includes a light source unit, a diamond crystal and an image sensor. The light source unit irradiates the diamond crystal with an excitation light, and irradiates the image sensor with a fluorescent light generated by the diamond crystal.

 Semiconductor device patent thumbnailSemiconductor device
According to one embodiment, a semiconductor device includes an n-type semiconductor layer, a first electrode, and a nitride semiconductor layer. The n-type semiconductor layer includes diamond.
Kabushiki Kaisha Toshiba

 Contact unit for an electromechanical switching device patent thumbnailContact unit for an electromechanical switching device
A contact unit for an electromechanical switching device includes a carrier element and a contact element connected to the carrier element. The contact element has a silver-containing layer that provides a contact area for making releasable contact with a further contact area of the switching device depending on a switching state of the switching device.
Siemens Aktiengesellschaft

 Ultra-hard material cutting elements and methods of manufacturing the same with a metal-rich intermediate layer patent thumbnailUltra-hard material cutting elements and methods of manufacturing the same with a metal-rich intermediate layer
Methods for joining an ultra-hard body, such as a thermally stable polycrystalline diamond (tsp) body, to a substrate and mitigating the formation of high stress concentration regions between the ultra-hard body and the substrate. One method includes covering at least a portion of the ultra-hard body with an intermediate layer, placing the ultra-hard body and the intermediate layer in a mold, filling a remaining portion of mold with a substrate material including a matrix material and a binder material such that the intermediate layer is disposed between the ultra-hard body and the substrate material, and heating the mold to an infiltration temperature configured to melt the binder material and form the substrate..
Smith International, Inc.

 Wing diamond foundation patent thumbnailWing diamond foundation
A foundation including first and second wings, each including first and second wing portions and a bent portion. The first and second wing portions and the bent portion, of each of the first and second wings, are made of a single sheet of metal.
New Generation Steel Foundations, Llc


Polycrystalline diamond

An embodiment of a pcd insert comprises an embodiment of a pcd element joined to a cemented carbide substrate at an interface. The pcd element has internal diamond surfaces defining interstices between them.
Baker Hughes Incorporated


Device for diamond-burnishing of holes

The present invention relates to various kinds of finishing and hardening treatment of holes in pieces by methods of plastic surface deformation and can find application in many branches of engineering industry. It is designed to burnish holes on a milling or drilling machine tool.
Samara State Aerospace University


Cutting tool, manufacturing cutting tool, and manufacturing cut product using cutting tool

A cutting tool based on an embodiment of the present invention is provided with a cylindrical main body section which is made of a cobalt-containing cemented carbide alloy and is rotatable about the central axis thereof, a cutting edge which is provided at at least one of the tip and the periphery of the main body section, a chip discharge groove which extends from the cutting edge toward the rear end of the main body section, and a coating layer which is made of diamond and covers the cutting edge, wherein the cobalt content of the surface of the main body section at the part coated with the coating layer is less than the cobalt content of the surface of the main body section at parts other than the part coated with the coating layer.. .
Kyocera Corporation


Light attenuating formulations

A preparation provides light or radiation attenuation between about 190 and 800 nm has an amount of diamond nanoparticles in a medium, where the diamond nanoparticles have a size between about 1 nm and 1000 nm are modified to enhance absorption or photoluminescence. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract..
Adámas Nanotechnologies Inc.


Electrodes and electrochemical devices and methods of making electrodes and electrochemical devices

Dual use gas diffusion-gas evolution electrodes containing diamond-like carbon are described, which can act as gas diffusion electrodes during discharge, and gas evolution electrodes during recharge. Electrodes of the disclosed materials are electrochemically robust, inhibit multi-step reactions, and have high, isotropic thermal conductivity.
Coulombic, Inc.


Ultra-thin, passively cooled sapphire windows

A system and process coat or create a composite material with a layer of diamond film deposited on a sapphire substrate. The diamond film may be applied using, e.g., a microwave field and a hydrocarbon gas environment.
Rubicon Technology, Inc.


Method for hyper-polarizing nuclear spins at arbitrary magnetic fields

A method of dynamically polarizing the nuclear spin host of nitrogen-vacancy (nv) centers in diamond is provided. The method uses optical, microwave and radio-frequency pulses to recursively transfer spin polarization from the nv electronic spin.
Research Foundation Of The City University Of New York


Systems and methods for deterministic emitter switch microscopy

Techniques for deterministic switch microscopy include resolving at least one nitrogen vacancy center in a diamond structure. A magnetic field can be applied across the diamond structure and the nitrogen vacancy centers can be optically excited.
The Trustees Of Columbia University In The City Of New York


Cutting tool insert

A polycrystalline diamond (pcd) compact and method for making the compact are provided. The method includes bringing a first pcd wafer and a second pcd wafer together at an interface in the presence of a bonding agent to form an unbonded assembly and bonding the wafers together at the interface at a pressure and temperature at which diamond is thermodynamically stable.


Carbonate-catalyzed polycrystalline diamond elements, methods of manufacturing the same, and applications therefor

In an embodiment, a polycrystalline diamond compact includes a substrate and a preformed polycrystalline diamond table bonded to the substrate. The table includes bonded diamond grains defining interstitial regions.
Us Synthetic Corporation


Unibit re-sharpening device

A unibit re-sharpening device for reconditioning the surface of worn unibits by filing them in a tapered recess. The unibit re-sharpening device comprises a device housing having a tapered recess with a diamond infused file therein, with the file connected to an integrated electric motor and high frequency mechanical vibrator, with an attachable collet for securing a conventional unibit in the tapered recess.


Procedure for efficient recovery od diamonds, gold from tailings

The value-minerals are captured by gravity-separation, from a low-grade slurry. The ratio of liquids-to-solids in the slurry affects the efficiency of capture, and an ideal liquids/solids ratio is the ratio at which the efficiency of capture is at a maximum.


Modified diamond particles

Modified diamond particles for use in chromatography with a desired functional group at the diamond surface, formed from reaction of hydroxyl groups at diamond surfaces with a reactive molecule.. .
Brigham Young University


Medical device for radiotherapy treatment

The invention relies on a medical device for an intracorporeal location, wherein: it comprises a deformable armature, at least partially made of a shape memory material and having an ea end and an eb end, said ea end being larger than said eb end, it has an essentially triangular, trapezoidal, ovally or diamond-shaped, the sides of which extending between said eb end and the corners of said ea end, said deformable armature includes a middle rip extending from said ea end to said eb end and multiple cross elements extending between the middle rip and said sides, wherein said sides are formed by sides braces, it comprises at least one x-ray visible marker fixed at the deformable armature selected from the group consisting of gold, silver, platinum, tantalum, tungsten, niobium, palladium, iridium, it comprises a guide suited for the intracorporeal introduction of said medical device, and an extraction holder of the medical device. The invention also relies on a device for the introduction, by an endoscopic or percutaneous way, of the medical device, and on a method for accurately targeting a target area during radiation treatment through image guidance comprising determining the location of the medical device in real time using at least one method of targeting selected from the group consisting of lasers, visual, infrared, mrumrs, rf and radiation; and modifying the radiation treatment beam path to adaptively compensate for a change in position of the target area..


Agent for the treatment and prevention of sleep disorders

The invention relates to the fields of pharmaceutics and medicine and describes an agent for the treatment and prevention of sleep disorders, wherein a conjugate of glycine immobilized on detonation nanodiamond particles 2-10 nm in size comprises 21±3 wt. % glycine.


Prosthetic heart valve system and delivery system therefor

A prosthetic heart valve system and a delivery system therefor, the prosthetic heart valve system comprising a heart valve element with expandable generally tubular stent support forming a wire frame, wherein the tubular stent support comprises a plurality of adjacent rows of interconnected, substantially diamond-shaped cell structures extending, along and in parallel to the longitudinal direction, between the proximal end and distal end, and wherein the stent support, in a medial portion, comprises a circumferential row of a plurality of wire anchor structures which wire anchor structures are spaced from one another and attached to the wire frame and which, in respect to the longitudinal axis of the stent support, at least partially protrude outward at an angle α. The prosthetic heart valve system may also comprise a stent(graft)-element..
Nvt Ag


A circuit board comprising an insulating diamond material

A circuit board is described. The circuit board comprises an electrically insulating diamond material having a surface.
National Ict Australia Limited


Increased surface area of epitaxial structures in a mixed n/p type fin semiconductor structure with multiple epitaxial heads

A non-planar semiconductor structure includes mixed n-and-p type raised semiconductor structures, e.g., fins, having epitaxial structures grown on top surfaces thereof, for example, epitaxial silicon and silicon germanium, naturally growing into a diamond shape. The surface area of the epitaxial structures is increased by removing portion(s) thereof, masking each type as the other type is grown and then subsequently modified by the removal.
Globalfoundries Inc.


Touch regions in diamond configuration

Touch regions in a diamond configuration in a touch sensitive device are disclosed. Touch regions can include drive regions of display pixels to receive stimulation signals and sense regions of display pixels to send touch signals based on a touch or near touch.
Apple Inc.


Nanodiamond composites and methods for their synthesis

Disclosed herein are nanodiamond composites and methods for their synthesis. In particular, the nanodiamond composites include large-surface-area polymer composites that include a polymer and nanodiamond dispersed and bound therein.
University Of Washington


Form dressing roller

A form dressing roller with a carrier body and a freestanding cover ring containing diamond grains and/or diamond rods configured in ceramic, metallic, or resin bond. The form dressing roller is made and used for dressing diamond and cbn grinding wheels as well as conventional wheels with abrasives made of corundum or silicon carbide.
Saint-gobain Diamantwerkerkzeuge Gmbh & Co. Kg


Diamond like carbon (dlc) as a thermal sink in a selector stack for non-volatile memory application

Selector elements that can be suitable for nonvolatile memory device applications are disclosed. The selector element can have low leakage currents at low voltages to reduce sneak current paths for non-selected devices, and higher leakage currents at higher voltages to minimize voltage drops during device switching.
Intermolecular, Inc.


Micro-dnv device

A method for providing a miniature vector magnetometer includes embedding a micron-sized diamond nitrogen-vacancy (dnv) crystal into a bonding material. The bonding material including the embedded micron-sized dnv crystal is cured to form a micro-dnv sensor.
Lockheed Martin Corporation


Diamond grinding disc

This invention relates to a grinding tool, and more particularly, it relates to a diamond grinding disc adapted for grinding. The diamond grinding disc is connected to a grinder via a post to be available for grinding a workpiece.


Diamond enhanced insert with controlled diamond frame strength

A diamond enhanced insert (dei) includes a working layer of a polycrystalline diamond material (pcd). The pcd material includes a first phase that includes a number of particles of a first material.
Smith International, Inc.


Underwater diamond wire saw

In embodiments, an underwater wire saw comprises a frame, one or more arms connected to the frame with a predetermined number of the arms comprising a wire tensioner and a selectively telescoping or collapsing tube within a tube, and a continuous wire guided by a plurality of wire guides and tensioned using the wire tensioner. The underwater wire saw may further comprise a clamp..
Oceaneering International, Inc.


Manufacturing high-temperature piezoelectric element electrode and piezoelectric element structure

A manufacturing method for an electrode of a high-temperature piezoelectric element, comprises: coating traditional conductive slurry on surfaces of a molded piezoelectric material (1); then polarizing the piezoelectric material (1); and then removing the coating of conductive slurry (2) on the surfaces there of, and connecting the piezoelectric material to outside electrode lead wires (3) to output a signal generated by piezoelectric effect thereof. A structure of a high-temperature piezoelectric element, comprises polarized piezoelectric material (1), wherein the coating of metallic conductive slurry (2) is removed from the surfaces of the polarized piezoelectric material (1) and the surfaces of the polarized piezoelectric material (1) is connected to electrode lead wires (3) to output a signal generated by piezoelectric effect thereof.
Xiamen Niell Electronics Co., Ltd.


Diamond like carbon (dlc) in a semiconductor stack as a selector for non-volatile memory application

Selector elements that can be suitable for nonvolatile memory device applications are disclosed. The selector element can have low leakage currents at low voltages to reduce sneak current paths for non-selected devices, and higher leakage currents at higher voltages to minimize voltage drops during device switching.
Intermolecular, Inc.


Rotary compressor

A rotary compressor includes a compressing unit including: an annular cylinder; an end plate having a bearing unit, and closing an end portion of the cylinder; an annular piston fitted in a rotation shaft in the bearing unit, performing an orbital motion inside the cylinder, and forming an operation chamber with the cylinder inner wall; and a vane protruding from a groove of the cylinder to the operation chamber, coming into contact with the annular piston, and partitioning the operation chamber into an inlet chamber and a compression chamber. The vane is formed of steel and has a diamond-like carbon layer on a sliding surface with respect to the annular piston.
Fujitsu General Limited


Substrate holder, plasma reactor and depositing diamond

A substrate holder having a base plate where a plurality of protruding poles is arranged, said poles spaced apart from one another by intermediate spaces. Alternatively or in addition, a plasma reactor for depositing diamond from the gas phase may be provided, the plasma reactor comprising such a substrate holder.
Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung E.v.


Ultrahard nanotwinned diamond bulk material and preparing the same

The present invention relates to ultrahard nanotwinned diamond bulk materials and synthetic method thereof. In particular, the present invention discloses a diamond bulk material containing high density of nanocrystalline twins and synthetic method thereof, in which a nanotwinned diamond bulk is synthesized from particles of nanospherical onion-like carbon without diamond core (preferably with a size of 5-70 nm) as raw materials by using high temperature and high pressure synthesis.
Yanshan University


Methods of fabricating a polycrystalline diamond compact

Embodiments relate to polycrystalline diamond compacts (“pdcs”) and methods of manufacturing such pdcs in which an at least partially leached polycrystalline diamond (“pcd”) table is infiltrated with a low viscosity cobalt-based alloy infiltrant. In an embodiment, a method includes forming a pcd table in the presence of a metal-solvent catalyst in a first high-pressure/high-temperature (“hpht”) process.
Us Synthetic Corporation


Diaphragm for loudspeaker, loudspeaker, electronic apparatus, and mobile apparatus

A diaphragm for loudspeaker contains resin and single-crystal diamond powder dispersed in the resin.. .
Panasonic Intellectual Property Managment Co., Ltd.


Self-limited, anisotropic wet etching of transverse vias in microfluidic chips

The present invention is notably directed to a method of fabrication of a microfluidic chip (1). Comprising: providing (s10-s20) a wafer (10, 12) of semiconductor material having a diamond cubic crystal structure, exhibiting two opposite main surfaces (s1, s2), one on each side of the wafer, and having, each, a normal in the <100> or <110> direction; and performing (s30) self-limited, anisotropic wet etching steps on each of the two main surfaces on each side of the wafer, to create a via (20, 20a) extending transversely through the thickness of the wafer, at a location such that the resulting via connects an in-plane microchannel (31) on a first one (51) of the two main surfaces to a second one (s2) of the two main surfaces, the via exhibiting slanted sidewalls (20s) as a result of the self-limited wet etching.
International Business Machines Corporation


Brazed polycrystalline diamond compact

A thermally stable polycrystalline diamond compact is created by (i) preforming an annular thermally stable polycrystalline from a diamond plate, (ii) preforming a substrate with a projection that has an interfacial mating surface that is a negative topology of the annular thermally stable polycrystalline, (iii) and brazing the two components together. The resulting polycrystalline diamond compact can be made thermally stable because cobalt and other catalysts can be leached out of the thermally stable polycrystalline.
Suzhou Shalebreaker New Material Technology Co Ltd


Highly twinned, oriented polycrystalline diamond film and manufacture thereof

In a method of chemical vapor deposition (cvd) growth of a polycrystalline diamond film in a cvd reactor, a gas mixture of gaseous hydrogen and a gaseous hydrocarbon is introduced into the cvd reactor. A plasma formed from the gas mixture is maintained above a surface of a conductive substrate disposed in the cvd reactor and causes a polycrystalline diamond film to grow on the surface of the conductive substrate.
Ii-vi Incorporated


Methods for pre-sharpening impregnated cutting structures for bits, resulting cutting structures and drill bits so equipped

Processes for pre-sharpening cutting structures comprising particles of superabrasive material such as diamond grit, dispersed in a metal matrix material such as cemented tungsten carbide. Matrix material may be removed from a surface of a cutting structure to a desired depth to expose superabrasive particles within the matrix material adjacent the surface, and to increase exposure of partially exposed superabrasive particles at the surface.
Baker Hughes Incorporated


High toughness thermally stable polycrystalline diamond

A mixture for fabricating a cutting table, the cutting table, and a method of fabricating the cutting table. The mixture includes a cutting table powder and a binder.
Varel Europe S.a.s.


Diamond type cam for rock climbing

A diamond type cam for rock climbing is provided, which includes a body having an operating member provided thereon, a slide member slidably coupled to the body, a plurality of extension cams each of which has one end that is rotatably coupled to the body and the slide member and an extended end portion that is rotatably hinge-coupled, and a plurality of wires each of which has one end that is coupled to a predetermined position of a lower portion of the extension cam and the other end that is rotatably coupled to a predetermined position of the slide member.. .


Vacubrasion: universal air flow regulator and attachment for vacuum assisted microdermabrasion

The present invention provides a novel microdermabrasion system that provides safe and effective treatment for skin conditions such as acne, aging and sallow skin, fine wrinkles, surface skin scars, and other visually unappealing cosmetic skin disfigurements. This new invention provides a universal attachment and air flow/suction regulator which permits micro diamond chip based, crystal free microdermabrasion using a variety of standard vacuums and home based cleaning vacuums.


Method for transceiving data symbol using antenna correlation in wireless access system which supports massive antenna

The present invention provides a method for removing self-interference by a transmitter side in a wireless access system that supports a full duplex radio (fdr) scheme, according to one embodiment of the present invention, comprises the method comprising the steps of: transmitting two transmission signals, using two transmission antennas; receiving two reception signals, using two reception antennas; estimating a self-interference channel; and removing interference signals in consideration of the estimated self-interference channel among the received signals. In the method, the interference signals are the transmission signals which are input into the two reception antennas, the transmission signals and the reception signals are simultaneously transmitted and received through a resource area configured by the same time and frequency, and the two transmission antennas and the two reception antennas may be disposed on the transmitter side in a diamond shape..
Lg Electronics Inc.


White light-emitting element

A white light-emitting device of the present invention includes a substrate (101); a diamond semiconductor layer (105) provided on the substrate (101), in which one or a plurality of p-type α layers (102), a p-type or n-type γ layer (103), and one or a plurality of n-type β layers (104) are laminated in this order from the substrate (101); a first electrode (106) provided on the α layer (102) which injects an electric current; a second electrode (107) provided on the β layer (104) which injects an electric current; and a fluorescent member (108) which coats a light emission extraction region of the surface of the diamond semiconductor layer.. .
National Institute Of Advanced Industrial Science And Technology


Scroll expander

A scroll expander includes a driving scroll body having a first axis line a driven scroll body having a second axis line shifted with respect to the first axis line, a bearing plate including two plates coupled to the driven scroll body and having the second axis line a cylindrical driving pin attached to the driving scroll body, and a cylindrical guide ring attached to the bearing plate and having an inner diameter larger than an outer diameter of the driving pin. The driving pin includes an outer circumferential surface in contact with an inner circumferential surface of the guide ring.
Anest Iwata Corporation


Anti-balling drill bit

The disclosure relates to polycrystalline diamond compact (pdc) drill bits utilized for drilling wellbores.. .


Drop-in chlorinator for portable spas

An oxidizer generating apparatus comprising a cylindrical housing and an electrode assembly attached at one end of the housing comprising at least three vertically disposed electrodes, the electrodes being spaced apart so as to define a water flow path between them, the electrodes comprising titanium outer electrodes and at least one inner diamond electrode. .
Watkins Manufacturing Corporation


Compositions of coated diamond nanoparticles, methods of forming coated diamond nanoparticles, and methods of forming coatings

In a composition including a plurality of coated diamond nanoparticles, each diamond nanoparticle may have at least one silane functional group covalently bonded to a surface thereof. A method of forming coated diamond nanoparticles may include functionalizing surfaces of diamond nanoparticles with at least one of a fluorine-containing compound and an oxidant; dispersing the functionalized diamond nanoparticles in a solvent comprising a silane functional group; and forming covalent bonds between the silane functional group and the diamond nanoparticles.
Baker Hughes Incorporated


Cmp pad conditioner and manufacturing the same

Provided is a chemical mechanical polishing (cmp) pad conditioner including a substrate including a plurality of protrusions formed on at least one surface thereof and made of ceramic or hard metal alloy. The plurality of protrusions may be formed through laser processing so as not to have angled edges on an upper end and an inclined side thereof.
Shinhan Diamond Ind. Co., Ltd.


Repairing substrates of polycrystalline diamond cutters

A method of repairing a wear or cutting element of a tool, the tool comprising a sintered polycrystalline diamond compact (pdc) structure bonded to a cemented metal carbide substrate, an example of which is a pdc cutter for an earth-boring drill. One example of the method comprises heating a spot within the damaged area of the substrate while introducing the inlay material to the spot, resulting in the substrate at the spot being heated and the inlay material melting onto the spot, without heating the substrate to the point of causing graphitization or rupture of diamond-to-diamond bonds of the diamond structure..
Ulterra Drilling Technologies, L.p.


Oral composition containing diamond particles

An object of the present invention is to provide an oral composition that has high power to remove stains from tooth surfaces and appropriate abrasive power. The invention provides an oral composition containing diamond particles and abrasive silica particles, the diamond particles having a median size (d50) of 2.0 to 3.5 μm, and the abrasive silica particles having an rda of at least 50..
Sunstar Suisse Sa


Composition for oral use containing diamond particles

An object of the present invention is to provide a composition for oral use having excellent cleaning ability and smoothing. The present invention provides a composition for oral use containing diamond particles and silica particles..
Sunstar Suisse Sa


Method and mounting a semiconductor disk laser (sdl)

The present invention describes a method and apparatus for mounting a semiconductor disc laser (sdl). In particular there is described a cooling apparatus assembly (12) for mounting the semiconductor disc laser (1) the cooling apparatus assembly comprising a crystalline heat spreader (8) made of diamond, sapphire or sic and optically contacted to the sdl (1).
Solus Technologies Limited


Liquid crystal display device

A liquid crystal display device includes a first substrate comprising a pixel area, a second substrate having a common electrode, and a liquid crystal layer arranged between the first and second substrates, where the first substrate includes a first pixel electrode which is arranged on the pixel area and in which a diamond shaped open unit is defined, and a plate shaped second pixel electrode arranged on the first pixel electrode, the first pixel electrode having first and second sides parallel to one side of the pixel area, third and fourth sides extending from one side of the first and second sides, inclined against the first and second sides, and parallel to each other, and fifth and sixth sides that connect the first and second sides with the third and fourth sides, and are parallel to each other, and the second pixel electrode includes a cross-shaped stem unit.. .
Samsung Display Co., Ltd.


Compact multispectral wide angle refractive optical system

A multispectral wide angle refractive optical device for focusing light from a first waveband and a non-overlapping second waveband is presented. A first element formed of a first material receives incident radiation.
Qioptiq Limited


Post-synthesis processing of diamond and related super-hard materials

A method of processing a super-hard material having a vickers hardness of no less than 2000 kg/mm2, the method comprising: (a) forming a surface of the super-hard material to have a first surface profile within a first root mean square deviation being no more than 5 μm; (b) analysing said surface of the super-hard material to detect a plurality of protruding regions on said surface; and (c) selectively processing over only the protruding regions on the surface of the super-hard material to form a second surface profile within a second root mean square deviation from the smooth target surface profile, said second root mean square deviation being no more than 100 nm.. .
Element Six Technologies Limited


Grey cast iron-doped diamond-like carbon coatings and methods for depositing same

The disclosure provides grey cast iron-doped diamond-like carbon coating compositions useful for reducing friction and wear in mechanical contact surfaces and methods for deposition of such compositions.. .


Zeta positive hydrogenated nanodiamond powder, zetapositive single digit hydrogenated nanodiamond dispersion, and methods for producing the same

The present invention relates to a method for producing zeta positive hydrogenated nanodiamond particles, and to a method for producing zeta positive single digit hydrogenated nanodiamond dispersions. The present invention further relates to zeta positive hydrogenated nanodiamond powder and zeta positive single digit hydrogenated nanodiamond dispersion..
Carbodeon Ltd Oy


Method of forming diamond conditioners for cmp process

A method for making a conditioner disk used in a chemical mechanical polishing (cmp) process comprises applying a first layer of at least one binder over a substrate; disposing a plurality of diamond particles on the first layer of the at least one first binder at the plurality of locations; and fixing the plurality of diamond particles to the substrate by heating the substrate to a raised temperature and then cooling the substrate. The plurality of diamond particles disposed over the substrate are configured to provide a working diamond ratio higher than 50% when the conditioner disk is used in a cmp process..
Taiwan Semiconductor Manufacturing Co., Ltd.


Titanium-diamond weld hardfacing composition, method and apparatus

A hard-clad coating composition for hardfacing is described. Also described is a weld hardfacing method for applying a coating composition to a base metal, and an apparatus for introducing the coating composition to the weld process..
J&s Worldwide Fabricators Ltd.


Examination distinguishing between natural diamond and synthetic cvd/hpht diamonds

This invention is within the technical field of distinguishing between natural diamond and synthetic cvd and hpht diamonds, involves an examination technique using the raman spectra. Procedurally, a highly sensitive raman spectrometer (s/n>10,000) is used to scan and examine the diamond sample.


Micro end mill and manufacturing same

A micro end mill includes a shank made of a first material and a cutting tip made of a second, different material that is bonded to the shank. The first material can be, for example, carbide or high speed steel (hss), and the second material can be, for example, cubic boron nitride (cbn), polycrystalline cubic boron nitride (pcbn), ceramic or polycrystalline diamond (pcd).


Corrosion resistant abatement system

Embodiments disclosed herein include a plasma source, and an abatement system for abating compounds produced in semiconductor processes. In one embodiment, a plasma source is disclosed.


Method of manufacturing anti-migration stent and stent manufactured thereby

An anti-migration stent includes a hollow stent body formed by interweaving a superelastic shape memory alloy wire diagonally such that upper and lower wires alternately cross over and under each other, forming multiple diamond-shaped spaces. After placing and holding a rod underneath the wire of the hollow stent body, and heating the stent body, an anti-migration bent part is formed on the wire, protruding vertically to form an outline corresponding to a cross-sectional shape of the rod, which makes stent production easy.


Diamond processing

Technology is disclosed for use in diamond processing. Diamond parameter information is obtained and information for numerous diamonds can be aggregated into a database.


Nanodiamond containing composite and a producing the same

A method for producing a composition comprising at least one filler and a nanodiamond material, and a composition comprising a nanodiamond material and at least one filler is disclosed. Further, a method for producing a nanodiamond containing thermal composite, and a nanodiamond containing thermal composite comprising nanodiamond material, at least one filler and at least one polymer is disclosed..


Low-stress doped ultrananocrystalline diamond

Nanocrystalline diamond coatings exhibit stress in nano/micro-electro mechanical systems (mems). Doped nanocrstalline diamond coatings exhibit increased stress.


Diamond abrasive recovery method

A diamond abrasive recovery method in which diamond abrasive is recovered from polishing material slurry including diamond abrasive used for polishing a polishing target mainly composed of silicon. The method comprises (1) recovering polishing material slurry including the used diamond abrasive; (2) adding inorganic salt including a metallic element which is to be a divalent or trivalent cation to the recovered polishing material slurry to aggregate the diamond abrasive and separating a supernatant liquid from a diamond abrasive included dispersion medium; and (3) extracting diamond abrasive from the separated diamond abrasive included dispersion medium using a low polarity dispersion medium..


Herb grinder system

The present invention involves a system and method for grinding herbs, tobacco, marijuana and the like. The herb grinder system herein includes interchangeable and replaceable lower grinder plates that are secured in place with threading, bayonet mounts or the like.


Positive active material for rechargeable lithium battery, and positive active material layer and rechargeable lithium battery including same

A positive active material for a rechargeable lithium battery includes a lithium nickel-based oxide particle and a coating layer surrounding the lithium nickel-based oxide particle, the coating layer including diamond-like carbon. The lithium nickel-based oxide particle includes lithium and a nickel-containing metal.
Samsung Sdi Co., Ltd.


Facilitating fabricating gate-all-around nanowire field-effect transistors

Methods are presented for facilitating fabrication of a semiconductor device, such as a gate-all-around nanowire field-effect transistor. The methods include, for instance: providing at least one stack structure including at least one layer or bump extending above the substrate structure; selectively oxidizing at least a portion of the at least one stack structure to form at least one nanowire extending within the stack structure(s) surrounded by oxidized material of the stack structure(s); and removing the oxidized material from the stack structure(s), exposing the nanowire(s).
Globalfoundries Inc.


Mirror substrates with highly finishable corrosion-resistant coating

The disclosure is directed to optical elements including a performance-enhancing coating on the surface of a metal or ceramic substrate and to methods for making the optical elements. The optical elements are suitable for use in harsh environments, including salt fog and high humidity environments.
Corning Incorporated


Method of testing a polycrystalline diamond compact cutter

The method for determining fracture toughness includes clamping a cutting element in a first orientation, exerting a confining pressure on the cutting element, applying a first load at a first distance from a perimeter of the diamond table of the cutting element, increasing the first load to a first level sufficient to fracture, and recording the first level sufficient to fracture. Then, another load is applied at another distance from a perimeter of the diamond table with another cutting element or the same cutting element in another orientation.
Cnpc Usa Corp.


Probes, styli, systems incorporating same and methods of manufacture

A probe for use with measuring equipment, such as a coordinate measuring machine (cmm) or a profilometer includes a shaft and a probe tip coupled with the shaft. At least a portion of the probe tip comprises a superabrasive material such as polycrystalline diamond.
Us Synthetic Corporation


Polycrystalline diamond compact cutter

The polycrystalline diamond compact cutter includes a diamond table and a carbide substrate. Different zones of the diamond table with relative thermal stability and toughness to each other are arranged for a particular cutting efficiency and working life.
Cnpc Usa Corp.


Thermal diffusion doping of diamond

Boron-doped diamond and methods for making it are provided. The doped diamond is made using an ultra-thin film of heavily boron-doped silicon as a dopant carrying material in a low temperature thermal diffusion doping process..
Wisconsin Alumni Research Foundation


Property enhancing fillers for transparent coatings and transparent conductive films

Optically transparent films can comprise a coating of nanodiamonds to introduce desirable properties, such as hardness, good thermal conductivity and an increased dielectric constant. In general, transparent conductive films can be formed with desirable property enhancing nanoparticles included in a transparent conductive layer and/or in a coating layer.
C3nano Inc.


Diamond substrates for superconducting quantum circuits

A mechanism relates to a superconducting quantum system. A diamond substrate layer is included.
Brooklyn Quantum Works

Diamond topics: Crystallin, Gallium Nitride, Boron Nitride, Refraction, Irradiation, Transverse, Touch Panel, Semiconductor Wafer, Electrical Signal, Diamond Like Carbon, Semiconductor, Surface Treatment, Carbon Atoms, Integrated Circuit, Transducer

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