|| List of recent Nanotube-related patents
| Carbon nanotube memory cell with enhanced current control|
A desired current through a carbon nano tube (cnt) element of a cnt memory device can be controlled by a wordline voltage, and a voltage on the cnt common node can be held constant. The common node can be constant at a source voltage if a p-channel metal-oxide-semiconductor field-effect transistor (mosfet) is used in the cnt memory device, or the common node can be constant at a supply voltage if an n-channel mosfet is used in the cnt memory device.
| Memory elements and cross point switches and arrays for same using nonvolatile nanotube blocks|
Under one aspect, a covered nanotube switch includes: (a) a nanotube element including an unaligned plurality of nanotubes, the nanotube element having a top surface, a bottom surface, and side surfaces; (b) first and second terminals in contact with the nanotube element, wherein the first terminal is disposed on and substantially covers the entire top surface of the nanotube element, and wherein the second terminal contacts at least a portion of the bottom surface of the nanotube element; and (c) control circuitry capable of applying electrical stimulus to the first and second terminals. The nanotube element can switch between a plurality of electronic states in response to a corresponding plurality of electrical stimuli applied by the control circuitry to the first and second terminals.
| Thermoplastic resin composition with emi shielding properties|
A thermoplastic resin composition that can have excellent emi shielding and injection-molding processability includes (a) a thermoplastic resin, (b) carbon fibers, and (c) filler comprising nano metal particles surface coated with graphite crystalline nano carbon particles, composite fillers which are carbon nanotubes coated with nano metal particles, composite fillers which are carbon nanotubes supporting nano metal particles, and combinations thereof.. .
| Passive solar tracking system to enhance solar cell output|
A passive solar tracking system to enhance solar cell output is provided. The passive solar tracking system includes a panel having at least one solar cell for solar-to-electric conversion and an actuator that is arranged for moving the panel to provide the variable facing direction of the panel.
| Anti-reflective coating for photovoltaic cells|
A surface of a photovoltaic cell is coated with a solution that includes barium titanate to reduce reflection of sunlight that is incident on the surface. The solution may include a base of polydimethylsiloxane and carbon nanotubes.
The invention relates to methods and a novel powdered curable monomer which may be used to manufacture bulk polymers, adhesives and coatings composite materials with high percentage weight inclusions of particulate filler materials, more specifically to fibre reinforced polymer composite materials with high percentage weight inclusions of particulate filler materials. The preferred particulate filler materials are carbon nanotubes.
|Highly conducting and transparent film and process for producing same|
An optically transparent and electrically conductive film composed of metal nanowires or carbon nanotubes combined with pristine graphene with a metal nanowire-to-graphene or carbon nanotube-to-graphene weight ratio from 1/99 to 99/1, wherein the pristine graphene is single-crystalline and contains no oxygen and no hydrogen, and the film exhibits an optical transparence no less than 80% and sheet resistance no higher than 300 ohm/square. This film can be used as a transparent conductive electrode in an electro-optic device, such as a photovoltaic or solar cell, light-emitting diode, photo-detector, touch screen, electro-wetting display, liquid crystal display, plasma display, led display, a tv screen, a computer screen, or a mobile phone screen..
|Method of semiconductor integrated circuit fabrication|
A method of fabricating a semiconductor integrated circuit (ic) is disclosed. The method includes providing a substrate and depositing a conductive layer on the substrate.
|Composites of poly(hydroxy carboxylic acid) and carbon nanotubes|
A resin composition comprising a polyolefin, carbon nanotubes and poly(hydroxy carboxylic acid). The invention also covers a process for preparing a resin composition comprising a polyolefin, carbon nanotubes and poly(hydroxy carboxylic acid) by (i) blending a poly(hydroxy carboxylic acid) with carbon nanotubes to form a composite (ii) blending the composite with a polyolefin.
|Method for heating object using sheet-shaped heat and light source|
The present disclosure relates to a method for heating an object. A sheet-shaped heat and light source is provided.
|Electronic packages and components thereof formed by co-deposited carbon nanotubes|
Microelectronic packages may be formed using the co-deposition of carbon nanotubes. The carbon nanotubes may be functionalized to have an appropriate charge so they can be combined with other materials to give suitable properties.
|Materials and methods for insulation of conducting fibres, and insulated products|
An electrical conductor comprising an electrically conducting fibre comprising carbon nanotubes and/or graphene nanoribbon and a layer of insulating material coated around the electrically conducting fibre. The insulating material substantially does not penetrate the electrically conducting fibre, or penetrates the electrically conducting fibre only to a depth that leaves a continuous conductive path along a remaining part of the electrically conducting fibre..
|Thermoelectric conversion material and thermoelectric conversion element|
A thermoelectric conversion material containing a carbon nanotube and a conjugated polymer, in which the conjugated polymer at least has, as a repeating unit having a conjugated system, (a) a condensed polycyclic structure in which three or more rings selected from hydrocarbon rings and heterocycles are condensed, and (b) a monocyclic aromatic hydrocarbon ring structure, a monocyclic aromatic heterocyclic structure, or a condensed ring structure including the monocyclic structure; and a thermoelectric conversion element using the same.. .
|Tire with rubber tread containing precipitated silica and functionalized carbon nanotubes|
This invention relates to a tire having a rubber tread containing functionalized carbon nanotubes and particulate reinforcement comprised of precipitated silica.. .
|Methods for reducing thermal resistance of carbon nanotube arrays or sheets|
Carbon nanotube (cnt) forests or sheets coated and/or bonded at room temperature with one or more coatings were measured to produce thermal resistances that are on par with conventional metallic solders. These results were achieved by reducing the high contact resistance at cnt tips and/or sidewalls, which has encumbered the development of high-performance thermal interface materials based on cnts.
|Pretreatment method and carbon nanotube formation method|
The pretreatment method for carbon nanotube formation according to the present invention comprises a first plasma treatment process in which catalytic metal fine particles are formed by applying plasma to a catalytic metal layer and atomizing the catalytic metal, and a second plasma treatment process in which the catalytic metal fine particles are activated by applying plasma of a gas mixture, in which a hydrogen-containing gas and a nitrogen gas are mixed, to the catalytic metal fine particles. A co-catalyst layer formed of nitride such as tin and tan is preferably disposed below the catalytic metal layer.
|Carbon nanostructure device fabrication utilizing protect layers|
Hall effect devices and field effect transistors are formed incorporating a carbon-based nanostructure layer such as carbon nanotubes and/or graphene with a sacrificial metal layer formed there over to protect the carbon-based nanostructure layer during processing.. .
|Rectifying device, electronic circuit using the same, and method of manufacturing rectifying device|
To provide a rectifying device equipped with a carrier transporter excellent in high frequency responsiveness and heat resistance, an electronic circuit using the same, and a method of manufacturing the rectifying device. The rectifying device includes a pair of electrodes, and a carrier transporter arranged between the pair of electrodes and composed of one or multiple carbon nanotubes.
|Mechanically robust, electrically conductive ultralow-density carbon nanotube-based aerogels|
A method of making a mechanically robust, electrically conductive ultralow-density carbon nanotube-based aerogel, including the steps of dispersing nanotubes in an aqueous media or other media to form a suspension, adding reactants and catalyst to the suspension to create a reaction mixture, curing the reaction mixture to form a wet gel, drying the wet gel to produce a dry gel, and pyrolyzing the dry gel to produce the mechanically robust, electrically conductive ultralow-density carbon nanotube-based aerogel. The aerogel is mechanically robust, electrically conductive, and ultralow-density, and is made of a porous carbon material having 5 to 95% by weight carbon nanotubes and 5 to 95% carbon binder..
|Production of carbon nanostructures from functionalized fullerenes|
Electromagnetic irradiation of functionalized fullerenes in an oxygen-free environment induces conversion of the functionalized fullerenes to carbon nanotubes, carbon nanohorns, carbon onions, diamonds and/or carbon schwarzites. The carbon nanotubes can be multi-wall carbon nanotubes.
A composite conductor is disclosed having an elongate support with an outer surface of a whisker-forming metallic, the conductor further having a carbon nanotube yarn intertwined with the elongate support. The yarn is infiltrated by self-assembled whiskers from the whisker forming metallic..
|Tire with electrically non-conductive rubber tread with electrically conductive, carbon nanotube containing rubber strip extending through the tread to its running surface|
This invention relates to a tire having a circumferential electrically non-conductive (relatively electrically non-conductive) rubber tread which contains an electrically conductive (relatively electrically conductive) rubber strip extending from an electrically conductive underlying tread base rubber layer (underlying the tread) through the rubber tread to its running surface. The rubber strip contains a dispersion of carbon nanotubes to provide its electrical conductivity and to thereby provide a path of least electrical resistance through the tread to its running surface..
|Alkyd resin based paint work composition and a method for preparing the same|
The invention provides an alkyd resin based paint work composition comprising an alkyd resin based film forming material, one or more colorants, one or more fast-drying materials, fumed silica, one or more types of carbon nanotubes and one or more solvents. The invention also provides a method for preparing the alkyd resin based paint work composition..
|Carbon nanotube composite material and thermal conductor|
A carbon nanotube composite material having carbon nanotubes and carbon fibers dispersed in a matrix is provided wherein a carbon nanotube group formed from a plurality of the carbon nanotubes is present between the carbon fibers, an average diameter of the carbon fibers is 1 μm or more and 50 μm or less, an average diameter of the carbon nanotubes is 0.7 nm or more and 50 nm or less, the carbon nanotubes are included in a range of 0.01 wt % or more and 30 wt % or less and the carbon fibers are included in a range of 10 wt % or more and 60 wt % or less with respect to 100 wt % of the carbon nanotube composite material, thermal conductivity of the matrix is less than 10 w/mk, and the carbon nanotube composite material includes thermal conductivity in a direction of 10 w/mk or more.. .