Intellectual Property Law

US Patent 7709054 - Spin coating fabrication of particle-rod nanostructures

Posted on May 05, 2010
http://www.freepatentsonline.com/7709054.htmlThis patent from Wayne State University teaches a way to connect nanoparticles and nanorods in a predefined manner using spin coating. Claim 1 reads:1. A method of forming a particle-rod nanostructure, the method comprising:preparing a mixture comprising an inorganic nanoparticle and an organic molecule in a solvent; andspin-coating the mixture to nucleate the crystal growth of the organic molecule on the inorganic nanoparticle that is deposited on a substrate, yielding the particle-rod nanostructure...

US Patent 7708974 - Tungsten nanopowder

Posted on May 05, 2010
http://www.freepatentsonline.com/7708974.htmlThis patent from PPG Industries Ohio teaches a new type of nanopowder having potential applications as pigments, catalysts, or phosphors. Claim 1 reads:1. A nanomaterial composition of matter comprising(a) non-stoichiometric nanoparticles of tungsten oxide, and(b) at least one metal other than tungsten, wherein the composition comprises a tungsten bronze...

US Patent 7707962 - CNT spray nozzles

Posted on May 05, 2010
http://www.freepatentsonline.com/7707962.htmlThis patent from Hon Hai Precision teaches a spray nozzle assembly for forming carbon nanotube films having a high level of thickness uniformity. Claim 1 reads:1. An apparatus for forming a carbon nanotube film, the apparatus comprising:a retaining member,an array of spray nozzles, anda supply tube configured for supplying a carbon-nanotube-containing solution therethrough,the spray nozzles being retained on the retaining member, the spray nozzles being in communication with the supply tube, the retaining member comprising a slit defined therein, the retaining member further comprising a through hole defined therein along a longitudinal direction thereof, each of the spray nozzles including a fixing portion received in the through hole, each spray nozzle being retainably engaged in the slit, a plurality of feed tubes, each of the spray nozzles being in communication with the supply tube through the corresponding feed tube...

US Patent 7707647 - Metal nanoparticle spectroscopic probe

Posted on May 03, 2010
http://www.freepatentsonline.com/7707647.htmlThis patent from Canon teaches a new type of scanning probe structure using metallic nanoparticles formed on a cantilever tip. Claim 1 reads:1. A probe for use in surface enhanced vibrational spectroscopic analysis, the probe being formed on a cantilever, the probe comprising a plurality of metal fine particles dispersed therein, the plurality of the metal fine particles being exposed on a surface of the probe.

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US Patent 7706422 - Graded density q-dot laser

Posted on May 03, 2010
http://www.freepatentsonline.com/7706422.htmlThis patent from Mitsubishi Electric teaches a way to increase the emission efficiency of quantum dot lasers by altering the quantum dot distribution. Claim 1 reads:1. A semiconductor optical element comprising an active layer including quantum dots, wherein density of the quantum dots in a resonator direction in a portion of the active layer in which density of photons is relatively high is higher relative to the density of the quantum dots in a portion of the active layer in which the density of photons is relatively low.

US Patent 7705989 - Surface plasmon nanosensor pads

Posted on May 02, 2010
http://www.freepatentsonline.com/7705989.htmlThis patent teaches a variation of an SPR sensor for detecting biological and chemical specimens. Claim 1 reads:1. A surface plasmon microsensor or nanosensor for chemical or biological species, comprising:metallic, cylindrical pads distributed on the surface of a support, the pads having a thickness between 10 nm and 500 nm and configured to immobilize the chemical or biological species, and the pads having a dimension, other than the thickness, that is less than 1 micron.

US Patent 7705523 - Hybrid solar nanogenerator

Posted on May 02, 2010
http://www.freepatentsonline.com/7705523.htmlThis patent from Georgia Tech. Research teaches a power generator using both solar and mechanical (e.g. wind) sources of energy so as to generate power continuously over a range of changing environments. Claim 1 reads: 1...

US Patent 7705347 - N-type CNTFET

Posted on May 02, 2010
http://www.freepatentsonline.com/7705347.htmlIn order to replicate CMOS device electronics with carbon nanotubes it is required to dope the nanotubes to be both electron donors (n-type) and electron acceptors (p-type). This patent from Samsung teaches a method to form n-type CNT transistors...

US Patent 7704919 - Gold coated platinum nanoparticles

Posted on April 29, 2010
http://www.freepatentsonline.com/7704919.htmlThis patent from Brookhaven Science Associates includes some basic claims to gold coated nanoparticles used as electrocatalysts for fuel cells. Claim 1 reads:1. An oxygen-reducing electrocatalyst comprised of gold-coated metal particles bound to an electrically conductive support, said gold-coated metal particles comprising a noble metal-containing core at least partially encapsulated by an atomically thin outer shell of a gold alloy...

US Patent 7704754 - Creation of plasmon effects in materials

Posted on April 29, 2010
http://www.freepatentsonline.com/7704754.htmlThis patent from American Environmental Systems proposes the use of semiconductor, metal, or metal oxide nanoparticles to facilitate environmental cleanup by inducing surface plasmon resonance which breaks down waste material...

US Patent 7704489 - Photocatalytic nanotagging

Posted on April 29, 2010
http://www.freepatentsonline.com/7704489.htmlQuantum dot conjugates have been used in biological tagging but the size of the conjugates have been larger than many proteins which interferes with biochemical processes. This patent from Sandia teaches a smaller nanotagging structure using metal nanoparticles and photocatalytic molecules...

US Patent 7704480 - Manufacture of CNT yarn

Posted on April 28, 2010
http://www.freepatentsonline.com/7704480.htmlThis patent is based on a collaboration between Tsinghua University and Hon Hai Precision and teaches methods for making longer strands of composite carbon nanotube fibers. Claim 1 reads:1. A method for making a carbon nanotube yarn, the method comprising the steps of:(1) providing a carbon nanotube array that is able to have one or more carbon nanotube yarn strings drawn therefrom;(2) drawing out at least one planar carbon nanotube yarn string from the carbon nanotube array;(3) applying organic solvent to the at least one carbon nanotube yarn string;(4) removing the organic solvent such that the at least one planar carbon nanotube yarn string shrinks into a single non-planar strand of carbon nanotube yarn due to the surface tension of the organic solvent...

US Patent 7704462 - Apparatus for producing aligned CNT thermal interface

Posted on April 28, 2010
http://www.freepatentsonline.com/7704462.htmlThis patent is from Intel and describes a system in which parallel plates provide an electric field in a vat of carbon nanotubes in order to align the nanotubes and form a thermal interface film. Claim 1 reads: 1...

US Patent 7703697 - Nanotube bubblejet printer

Posted on April 28, 2010
http://www.freepatentsonline.com/7703697.htmlThis patent from Canon teaches a thermal inkjet printer designed to print aligned carbon nanotubes for applications such as field emitter display and transistor fabrication. Claim 1 reads: 1. A liquid discharge apparatus for discharging a disperse liquid containing a plurality carbon nanotubes, the carbon nanotubes having a length and a diameter, the liquid discharge apparatus comprising:a nozzle having an entrance and a discharge opening through which the disperse liquid containing the carbon nanotubes is discharged;an electrothermal converter for discharging the disperse liquid as an independent droplet from the discharge opening by applying energy to the disperse liquid and generating bubbles in the disperse liquid; anda controller to apply electrical energy to the electrothermal converter, wherein the controller is configured to:apply first electrical energy to the electrothermal converter that is sufficient to generate bubbles in the disperse liquid and discharge the disperse liquid from the discharge opening; andat a time other than when the disperse liquid is being discharged from the discharge opening, intermittently apply second electrical energy that is smaller than the energy applied in discharging of the disperse liquid, to generate a plurality of bubbles in the disperse liquid and to vibrate the disperse liquid in the nozzle without discharging the disperse liquid from the discharge opening, the nozzle being tapered in such a manner that a diameter of the nozzle decreases from the entrance towards the discharge opening, and wherein the diameter of the entrance is larger than the length of the carbon nanotubes, and the diameter of the discharge opening is larger than the diameter of the carbon nanotubes and smaller than the length of the carbon nanotubes...

US Patent 7701668 - Nanodisk memory formed via imprint lithography

Posted on April 22, 2010
http://www.freepatentsonline.com/7701668.htmlThis patent from ASML Holding NV teaches using naoimprint lithography to pattern sub-50nm bit patterns on a memory disk. Claim 11 reads:11. A method of manufacturing a memory disk, comprising:(a) forming main tracks on a disk platen by imprinting a nanodisk onto the disk platen;(b) forming isolated bit areas with respect to the main tracks on the disk platen by imprinting the nanodisk onto the disk platen; and(c) forming a magnetic layer on the isolated bit areas with magnetic material to form discrete isolated data bits...

US Patent 7701428 - Integrated display including nanowire selection transistors

Posted on April 22, 2010
http://www.freepatentsonline.com/7701428.htmlFlat panel displays currently use thin film transistor technology in the selection of pixels. However, the use of thin film silicon produces limitations on the size and weight of the displays. This patent from Nanosys teaches forming nanowire transistors to enable new types of displays using plastic and flexible materials...

US Patent 7701013 - Nanoelectromechanical transistor

Posted on April 22, 2010
http://www.freepatentsonline.com/7701013.htmlIn the last 10 years the company Nantero has introduced a variety of designs for nanomechanical switches based on carbon nanotube ribbons. This patent from IBM teaches a way to integrate nanotube mechanical switches into a more conventional field effect transistor structures having more predictable characteristics...

US Patent 7700943 - Functionalized CNT heat spreader

Posted on April 21, 2010
http://www.freepatentsonline.com/7700943.htmlThis patent from Intel teaches that nanotube functionalization can assist in the mixing of nanotubes with polymers or metals to form more effective materials for thermal management. Claim 1 reads: 1. An apparatus comprising:a first layer attached to surface of a die; anda nanotube (NT) composite coupled to the first layer to provide thermal management for the die, the NT composite including a nanotube (NT) structure functionalized with radicals of a first polymer; wherein the NT structure comprises:a substrate; anda functionalized carbon NT array grown or deposited on the substrate, the functionalized carbon NT array including a plurality of aligned or non-aligned single-walled or multi-walled carbon NTs having surfaces attached to the radicals.

US Patent 7700915 - Characterization of crystalline tubular molecules

Posted on April 21, 2010
http://www.freepatentsonline.com/7700915.htmlThis patent from Canatu Oy proposes a new method for characterizing carbon nanotubes using electron diffraction. The method provides more reliable results by correcting for anomalous tilt angle of the electron beam...

US Patent 7700498 - Self-repair of nanostructures by liquidification

Posted on April 21, 2010
http://www.freepatentsonline.com/7700498.htmlManufacturing limitations make structural defects and nonuniformity at sub-micron dimensions more likely than in microscale systems. This patent from Princeton University teaches a method to correct such defects for silicon or metal nanostructures by liquification and resolidification...

US Patent 7700193 - Core/shell nanoparticle with optical, magnetic, and thermal properties

Posted on April 21, 2010
http://www.freepatentsonline.com/7700193.htmlThis patent from Industrial Technology Research Institute teaches the fabrication of nanoparticles having a magnetic core and a metallic shell useful to enhance optical and magnetic medical imaging methods...

US Patent 7696684 - Semiconductor nanocrystal display

Posted on April 15, 2010
http://www.freepatentsonline.com/7696684.htmlThis patent from the Regents of the University of California has early priority (June 1998) and includes basic claims to quantum dots used in multi-color displays. Claim 1 reads:1. A multicolor display apparatus, comprising:a pixel array of semiconductor nanocrystals comprising a plurality of pixels of different colors, wherein the sizes of the nanocrystals in each of the plurality of pixels determine the colors; anda pixel addressing system comprising a light source operatively associated with the pixel array for selectively optically exciting the nanocrystals with light from the light source to produce a luminescent color pattern of pixels...

US Patent 7696505 - CNT crossbar electronics

Posted on April 15, 2010
http://www.freepatentsonline.com/7696505.htmlThis patent is from Searete LLC (the patenting arm of Intellectual Ventures) teaches a carbon nanotube crossbar electronic systems similar to some of the designs developed by Nantero but with the inclusion of an intermediate resist layer that may be selectively removed to program the interconnects between nanotubes...

US Patent 7696022 - Laser trimming of nanowire electronics

Posted on April 15, 2010
http://www.freepatentsonline.com/7696022.htmlSolution-based deposition of nanowires has been used to form thin film transistors. However, this can produce an irregular positioning of the nanowires resulting in nonuniform electrical characteristics. This patent from Canon teaches a solution to this problem by using laser trimming...

US Patent 7695988 - Spectral nanofluidic analysis

Posted on April 14, 2010
http://www.freepatentsonline.com/7695988.htmlThis patent from Cornell Research Foundation appears basic to the use of quantum dots in microfluidic analysis of biomolecules. Claim 1 reads:1. A method comprising:conjugating molecules with a plurality of different types of quantum dots having different emission spectra to form conjugates;driving the conjugates through a sub-micrometer channel detection volume;exciting the conjugates in the sub-micrometer channel; anddetecting emission from multiple regions of the spectrum.

US Patent 7695811 - Reversible adhesive using nanostructures

Posted on April 14, 2010
http://www.freepatentsonline.com/7695811.htmlThis patent from the Regents of the University of California proposes a magnetically actuated reversible adhesive using polymer nanorods. Claim 1 reads:1. An adhesive, comprising:a compliant surface having one or more nano-structures thereon,wherein the compliant surface is moved by applying a magnetic field either to engage the nano-structures with an adhering surface or to remove the nano-structures from the adhering surface...

US Patent 7695646 - Qdot metamaterial

Posted on April 14, 2010
http://www.freepatentsonline.com/7695646.htmlMetamaterials usually refer to composites which exhibit a negative index of refraction useful to create high resolution optics and having some potential for cloaking devices. One problem with some metamaterials is high signal attenuation...

US Patent 7695609 - CNT/polymer ChemFET

Posted on April 14, 2010
http://www.freepatentsonline.com/7695609.htmlThis patent is from Applied Nanotech and teaches a variety of nanotube ChemFET which improves the sensitivity by using an immobilizing polymer. Claim 1 reads:1. A method of detecting an analyte comprising the steps of:immobilizing a polymer and sensing element to carbon nanotubes lacking alignment; andutilizing a transduction mechanism to detect the analyte, wherein the transduction mechanism uses a thin film transistor...

US Patent 7692373 - Qdot white light

Posted on April 12, 2010
http://www.freepatentsonline.com/7692373.htmlThis patent from Lumileds Lighting has very early priority (April 1998) and includes claims to white light LEDs formed using quantum dot. Claim 1 reads:1. A white light emitting device comprising:a blue primary light source;a first layer in optical communication with the blue primary light source and comprising quantum dots of a material and size adapted to emit red secondary light; anda second layer in optical communication with said first layer and said primary light source and comprising quantum dots of a material and size adapted to emit green secondary light...

US Patent 7692361 - Nanoparticle composite actuator

Posted on April 12, 2010
http://www.freepatentsonline.com/7692361.htmlMicroactuators are important components to numerous applications such as inkjet printheads, optical switches, and medical implants. This patent from Hitachi teaches a new type of microactuator using organic material having embedded carbon nanoparticles which operates based on thermal expansion...

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