Intellectual Property Law

US Patent 7442358 - Nanocarbon aggregate flakes

Posted on October 28, 2008
http://www.freepatentsonline.com/7442358.htmlSurface emission displays are a potential competitor to LCDs with advantages in energy efficiency. This patent from Canon is directed to a nanocarbon flake emission material used in the display with a basic claim reading:1...

US Patent 7442320 - Si + Ge quantum dot composites for photovoltaics

Posted on October 28, 2008
http://www.freepatentsonline.com/7442320.htmlThis patent from Ultradots, inc. takes advantage of band offsets between silicon and germanium semiconductor nanocrystals in the formation of high efficiency photovoltaics. Claim 1 reads:1. A nanostructured material, comprising:(a) a first nano-network formed from a plurality of Si quantum dots that are at least one of fused and interconnected; and(b) a second nano-network coupled to said first nano-network and formed from a plurality of Ge quantum dots that are at least one of fused and interconnected,said plurality of Si quantum dots having a first peak size that is from about 1 nm to about 20 nm, said plurality of Ge quantum dots having a second peak size that is greater than said first peak size to define a staggered band offset between said first nano-network and said second nano-network,said nanostructured material being configured to absorb light to produce a first type of charge carrier and a second type of charge carrier, said first type of charge carrier separating into said first nano-network in accordance with said staggered band offset and being-transported in said first nano-network, said second type of charge carrier separating into said second nano-network in accordance with said staggered band offset and being transported in said second nano-network, said nanostructured material having an absorption coefficient that is at least 1000/cm within a range of wavelengths from about 400 nm to about 700 nm.

US Patent 7442284 - Polymer coated nanotube electrodes for rechargeable batteries

Posted on October 28, 2008
http://www.freepatentsonline.com/7442284.htmlThis patent from Boston College teaches fabricating a carbon nanotube substrate uniformly coated with conductive polymer material providing a high efficiency electrode for rechargeable batteries. Claim 1 reads:1...

US Patent 7439501 - Direct write nanolithography using heated tip

Posted on October 26, 2008
http://www.freepatentsonline.com/7439501.htmlThis patent from Georgia Tech Research seems to be claiming a system identical to earlier technology such as IBM's millipede system for high density memory storage. Some prior art not considered during the examination can be found here...

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US Patent 7439081 - Multilayer CNT integrated circuit

Posted on October 26, 2008
http://www.freepatentsonline.com/7439081.htmlThis patent from IBM teaches manufacturing methods for incorporating multilayer carbon nanotube films into an integrated circuit in which the nanotubes in one layer are oriented orthogonally to that of another layer to control the direction of maximum conductivity between layers...

US Patent 7438972 - Resin coated nanoparticle flexible film

Posted on October 26, 2008
http://www.freepatentsonline.com/7438972.htmlThis patent from PPG Industries Ohio teaches using resin-coated pigment nanoparticles in a film coating in order to avoid clumping of the nanoparticles upon distortion or stretching of the film. Claim 1 reads:1...

US Patent 7438888 - Molybdenum oxide nanoparticles

Posted on October 23, 2008
http://www.freepatentsonline.com/7438888.htmlThis patent from Cyprus Amax Minerals Company teaches new manufacturing methods to produce high surface area molybdenum nanoparticles. Claim 1 reads:1. A nano-particle of MoO3 having a surface area in a range of 33 to about 44 m2/g.

US Patent 7438887 - Manganese oxide nanowire molecular sieve

Posted on October 23, 2008
http://www.freepatentsonline.com/7438887.htmlThis patent from the university of Connecticut teaches a new film useful for molecular sieves formed of manganese nanowires and exhibiting less brittleness with superior thermal and chemical properties. Claim 1 reads:1...

US Patent 7438411 - Sunglasses incorporating plasmon resonant nanoparticles

Posted on October 23, 2008
http://www.freepatentsonline.com/7438411.htmlThis patent from Nanospectra Biosciences teaches sunglasses or protective goggles incorporating dielectric nanoparticles with a metallic shell to achieve enhanced tuning of optical radiation filtering. Claim 1 reads:1...

US Patent 7438193 - Coated nanoporous membrane

Posted on October 21, 2008
http://www.freepatentsonline.com/7438193.htmlThis patent from Postech Foundation (Korea) teaches the formation of a filtration membrane having a high density of nanopores in which an inner portion and a surface portion are formed of different polymers...

US Patent 7437938 - High modulus CNT diaphragm sensor

Posted on October 21, 2008
http://www.freepatentsonline.com/7437938.htmlThis patent from Rosemount Inc. teaches a high resolution pressure sensor formed from nanowires or nanotubes providing a high Young's modulus. Claim 1 reads:1. A sensor comprising:a composite structure formed by a mat of nanotubes or nanowires embedded in insulating material, wherein the composite structure has a Young's modulus of greater than about 1000 GPa; andelectrodes for deriving a sensor signal in response to deflection of the composite structure in response to a physical parameter, at least one of the electrodes connected to the mat.

US Patent 7437915 - Lateral thermal actuator for nanoscale probe

Posted on October 21, 2008
http://www.freepatentsonline.com/7437915.htmlScanning probe microscopes include nanoscale tips which are conventionally used in microscopy devices but which are finding new uses in lithography and ultrahigh density data storage. This patent from IBM teaches an improvement in their Millipede probe array using a thermal actuator to control the lateral movement of individual probes for more precise positioning...

US Patent 7435637 - Quantum wire gate

Posted on October 19, 2008
http://www.freepatentsonline.com/7435637.htmlThis patent from Intel teaches a method using quantum wires to form the channels of FETs in which isolation doping is used between the quantum wires. Claim 1 reads:1. A method comprising:forming a plurality of quantum wires in a substrate, wherein each of the plurality of quantum wires is narrower than the mean free path of semiconductive electron flow therein and wherein a trench is formed between adjacent quantum wires;disposing a doping region in the substrate beneath each trench to resist electrical communication between adjacent quantum wires; andforming a gate layer over the plurality of quantum wires, wherein a spacer mask is formed between the quantum wire and the gate layer.

US Patent 7435476 - Functionalized nanotube material for supercapacitor electrodes

Posted on October 19, 2008
http://www.freepatentsonline.com/7435476.htmlThis patent is based on a collaboration of Honda and Ohio State University and teaches a way to fabricate carbon nanotube supercapacitors with higher levels of capacitance. Claim 1 reads:1. A method of producing electrodes comprising:chemically oxidizing carbon nanotube-containing material at a temperature of less than about 200 C...

US Patent 7435353 - Focused e-beam nanopatterning

Posted on October 16, 2008
http://www.freepatentsonline.com/7435353.htmlThis patent from Harvard teaches a new nanopatterning method for semiconductor processing involving vapor condensation and selective removal of the condensate using a focused electron beam. Claim 1 reads:1...

US Patent 7434445 - Power spectrum analysis of microcantilevers

Posted on October 16, 2008
http://www.freepatentsonline.com/7434445.htmlMicrofabricated cantilevers are an important component of Atomic Force Microscopes as well as many MEMS sensors. This patent from Asylum Research teaches an apparatus for providing a more sensitive calibration of the cantilever using a power spectrum detector to detect shifts in resonance frequency...

US Patent 7433237 - Transistor utilizing dielectric oxide nanolaminates

Posted on October 12, 2008
http://www.freepatentsonline.com/7433237.htmlThis patent from Micron Technology teaches a transistor structure for DRAM memory cells that uses oxide nanolaminate dielectrics for enhanced read/write speeds with reduced cell sizes. Claim 1 reads:1. A transistor device, comprising:a first source/drain region;a second source/drain region;a channel region between the first and the second source/drain regions; anda gate separated from the channel region by a multilayer gate insulator; wherein the multilayer gate insulator includes oxide insulator nanolaminate layers, wherein at least one charge trapping layer is substantially amorphous; andcircuitry coupled to the source/drain regions to program the transistor in a first direction, and read the transistor in a second direction opposite the first direction.

US Patent 7432522 - Nanowhisker pn junction

Posted on October 12, 2008
http://www.freepatentsonline.com/7432522.htmlThis patent from QuNano teaches the formation of a new type of pn junction formed from a nanowhisker (aka nanowire). Claim 1 reads:1. A structure, comprising:a crystalline semiconductor nanowhisker of a first conductivity type; andan enclosure comprising a bulk semiconductor region of a second conductivity type opposite to the first conductivity type enclosing and in contact with said nanowhisker along at least part of its length;wherein a combination of the nanowhisker and the bulk semiconductor region forms a pn junction.

US Patent 7432217 - Formation of uniform length nanotubes using organic film planarization

Posted on October 12, 2008
http://www.freepatentsonline.com/7432217.htmlThis patent from Samsung teaches a method of forming a uniform length carbon nanotube array for FED applications by planarization of an organic film. Claim 1 reads:1. A method of achieving uniform lengths of Carbon NanoTubes (CNTs), the method comprising:forming CNTs of varying lengths on a predetermined material layer;coating an organic film to cover the CNTs formed on the predetermined material layer;etching the organic film to a predetermined depth to remove projected portions of the CNTs; andremoving the organic film to leave CNTs of uniform length...

US Patent 7432039 - Combined molecular and non-molecular lithography

Posted on October 09, 2008
http://www.freepatentsonline.com/7432039.htmlPhotoresists are commonly used in semiconductor processing to define patterns for doping, etching, and other microfabrication steps. This patent from the Penn State Research Foundationteaches combining the patterning of resists with molecular film patterning to define nanoscale structures...

US Patent 7431970 - Rewritable polymer nanolithography

Posted on October 09, 2008
http://www.freepatentsonline.com/7431970.htmlIBM's Millipede system is one of a few designs for using arrays of atomic force microscope tips for nanoscale memory applications. This patent from the Air Force teaches a rewritable version based on thermal heating in which no polymer is removed during tip induced heating and using anneal processes for erasure of data...

US Patent 7431964 - Angular porous metal film deposition for nanotube growth

Posted on October 09, 2008
http://www.freepatentsonline.com/7431964.htmlThis patent to Motorola teaches forming a porous metal catalyst film to support the growth of carbon nanotubes for field emission. Angular deposition is used to control the nanotube spacing. Claim 1 reads:1...

US Patent 7431867 - Uniform core/shell nanoparticles

Posted on October 07, 2008
http://www.freepatentsonline.com/7431867.htmlCore/shell nanocrystals have potential as useful components to LEDs. By tuning the size of the nanocrystals the emission wavelength can be controlled. This patent from Konica Minolta Medical & Graphic teaches a processing method involving mixing silicon tetrachloride and a reducing agent and heating to form Si/SiO2 core/shell nanoparticles with uniform diameters for a better control of the luminescent wavelength...

US Patent 7431856 - Nanotip fabrication by spatially controlled etching

Posted on October 07, 2008
http://www.freepatentsonline.com/7431856.htmlNanotips probes are being developed for a variety of applications including microscopy, lithography, and data storage on the nanoscale. This patent from Canadian researchers teaches a method for sharping such nanotips for higher resolution performance...

US Patent 7430788 - Magnetorheological nanocomposite releasable fastener

Posted on October 07, 2008
http://www.freepatentsonline.com/7430788.htmlThis patent from GM teaches a hook and loop type fastener formed from nanocomposite materials and responsive to magnetic fields for ease of release. Claim 1 reads:1. A hook portion for a releasable fastener system comprising:a support and a plurality of hook elements disposed on a surface of the support,wherein the plurality of hook elements comprise a magnetorheological elastomer adapted to change a shape orientation and/or a flexural modulus upon receipt of a magnetic signal,wherein the magnetorheological elastomer comprises ferromagnetic or paramagnetic particulates in an elastomeric material.

US Patent 7429904 - MEMS spread spectrum transmitter

Posted on October 05, 2008
http://www.freepatentsonline.com/7429904.htmlThis is another patent from Avago Technologies related to their work on the use of MEMS oscillators in spread spectrum communications. Claim 1 reads:1. A spread-spectrum transmitter comprising:microelectromechanical systems (MEMS) based oscillation system comprising at least one MEMS resonator and being configured to generate signals at different frequencies; andthe MEMS based oscillation system further comprising a controllable switch configured to select one signal at a time within the MEMS-based oscillation system in response to a spread-spectrum code, the output from the controllable switch being a spread-spectrum signal.

US Patent 7429418 - Porous friction material incorporating nanoparticles

Posted on October 02, 2008
http://www.freepatentsonline.com/7429418.htmlThis patent from BorgWarner teaches a new type of friction material for automotive applications based on nanoparticular material disposed in a porous material possessing improvements in heat resistance, high friction stability and durability, and strength compared to other materials...

US Patent 7429371 - Nucleic acid dispersant for CNTs

Posted on October 02, 2008
http://www.freepatentsonline.com/7429371.htmlIn applications such as pH sensors it would be advantageous to controllably reverse oxidation of carbon nanotubes. This patent from du Pont teaches using nucleic acid wrapped carbon nanotubes to achieve a stabilized charge storage device for such applications...

US Patent 7429369 - Manufacture of silicon nanoparticle nanotubes

Posted on September 30, 2008
http://www.freepatentsonline.com/7429369.htmlThis patent from the University of Illinois describes a manufacturing procedure for a new type of nanotube formed from individual silicon nanoparticles which may have some benefits to biomedical applications and flexible electronics...

US Patent 7429219 - nanocrystalline rust resistant coating for golf club head

Posted on September 30, 2008
http://www.freepatentsonline.com/7429219.htmlThis patent from Nelson Precision Casting teaches that nanostructured Fe-Co-Ni is particularly useful for protecting the rough surface of golf club heads from rust. Claim 1 reads:1. A golf club head having a rust-resistant coating, comprising:at least one club head component having a prepared surface; anda rust-resistant coating layer forming on the prepared surface of the club head component, said rust-resistant coating layer made from a Fe?Co?Ni alloy including iron of 5-20 wt %, cobalt of 5-25 wt % and nickel of 60-90 wt %;wherein said rust-resistant coating layer is formed with a nano-crystalline structure of the Fe?Co?Ni alloy.

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