Intellectual Property Law

US Patent 7428562 - Self authenticating quantum random number generator

Posted on September 28, 2008
http://www.freepatentsonline.com/7428562.htmlRandom number generators are important to applications in cryptography and modeling of probabilistic phenomena (e.g. weather, stock market). Many computer algorithms using random numbers are actually based on pseudorandom number generators which may ultimately be reproducible and non-ideal for some modeling...

US Patent 7428138 - CNT array capacitor plates

Posted on September 28, 2008
http://www.freepatentsonline.com/7428138.htmlThis is one of a series of patents from Intel focusing on using the high surface to volume ratio of carbon nanotubes to achieve high value capacitors. Claim 1 reads:1. A capacitor comprising:a first substrate including a plurality of carbon nanotubes to form a first capacitor plate adapted to be coupled to a first potential; anda second substrate including a plurality of carbon nanotubes to form a second capacitor plate, adapted to be coupled to a second potential opposite to the first potential, intermeshed with said nanotubes on the first substrate.

US Patent 7427785 - Zinc oxide nanowire contact layer for LED

Posted on September 28, 2008
http://www.freepatentsonline.com/7427785.htmlTransparent electrodes such as indium-tin-oxide are important to optoelectronic applications and are required to have both good optical transparency and electrical conductivity. This patent from Samsung teaches using high aspect ration nanostructures formed from zinc oxide as an improved transparent electrode material fro LEDs...

US Patent 7427772 - Periodic nanocrystal LED

Posted on September 28, 2008
http://www.freepatentsonline.com/7427772.htmlNanocrystalline based LEDs offer the advantage of higher extraction efficiencies than conventional LEDs but can also have fabrication defects leading to higher resistances and inferior electrical properties...

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US Patent 7427754 - Random telegraph signal nanoMOS probe

Posted on September 25, 2008
http://www.freepatentsonline.com/7427754.htmlThis patent from the University of California System teaches a new type of microscopy probe based on carbon nanotubes capable of inspecting for molecular or atomic defects in nanoelectronic devices. Claim 1 reads:1...

US Patent 7427541 - CNT energy well FET

Posted on September 25, 2008
http://www.freepatentsonline.com/7427541.htmlThis patent from Intel teaches a method of forming a carbon nanotube transistor with less leakage current. Claim 1 reads:1. A method, comprising:creating a structure to form an energy well within a Carbon nanotube by placing a Carbon nanotube on a doped semiconductor region;forming an undoped semiconductor region over said Carbon nanotube; anddelta doping said undoped semiconductor region above a first portion of said Carbon nanotube.

US Patent 7427527 - MEMS alignment using solder reflow

Posted on September 25, 2008
http://www.freepatentsonline.com/7427527.htmlThe integration of different MEMS devices together requires careful alignment critical to such applications as optical switching arrays. This patent from Surfect Technologies teaches a new technique using magnetic fields to manipulate solder used in the alignment of MEMS...

US Patent 7427491 - Polymer biosensor including sensing and transducing nanoparticles

Posted on September 23, 2008
http://www.freepatentsonline.com/7427491.htmlThis patent from Roche Diagnostics teaches a new type of biosensor which uses a single rather than multi-layer structure formed from analyte recognition nanoparticles doped with a luminescent dye and transduction nanoparticles conjugated with an oxidative enzyme...

US Patent 7427328 - Nanowire solution deposition using electrostatic attraction

Posted on September 23, 2008
http://www.freepatentsonline.com/7427328.htmlThis patent from Nanosys teaches a system for applying a solution of nanowires to a substrate which can be used to form electronic devices on plastic or other flexible substrates. Claim 1 reads:1. A system for applying nanowires to a target surface, comprising:a solution source that provides a nanowire solution, wherein said nanowire solution comprises a liquid containing a plurality of nanowires, wherein the plurality of nanowires comprise silicon having an oxide coating and which have a first negative charge;a nozzle coupled to said solution source, wherein said nozzle has at least one output opening; anda target surface comprising a charged material having a second charge which is opposite to said first charge, which second charge aids in attracting the nanowires from the nanowire solution to the target surface;wherein said nozzle directs the nanowire solution through said at least one output opening onto the target surface.

US Patent 7426873 - MEMS pressure sensors for footwear

Posted on September 23, 2008
http://www.freepatentsonline.com/7426873.htmlThis patent from Sandia teaches a system for measuring the gait of human movement by embedding micromechanical sensors in footwear. The patent specification describes applications as part of a robotic exoskeleton (BLEEX)...

US Patent 7426416 - MEMS sensor array noise reduction

Posted on September 21, 2008
http://www.freepatentsonline.com/7426416.htmlThis patent from IBM teaches a noise reduction methodology for MEMS sensor arrays. Claim 1 reads:1. A method of reducing noise in a MEMs-based system, comprising:providing a sensor array including at least two sensors; andensemble averaging outputs of said sensor array, wherein said ensemble averaging reduces an effective sensor noise to (?/sqrt(N)), where N is a number of sensors of said at least two sensors.

US Patent 7426067 - Atomic layer deposition on MEMS

Posted on September 21, 2008
http://www.freepatentsonline.com/7426067.htmlThis patent from the University of Colorodo teaches a method of coating a MEMS structure using atomic layer deposition which allows for the creation of nanometer scale layers adding propertes such as wear-resistance, electrical insulation, thermal conductivity, hydrophobicity, biocompatibility, and reflectivity to micromechanical structures...

US Patent 7426025 - Lasing nanostructures for Raman Spectroscopy

Posted on September 19, 2008
http://www.freepatentsonline.com/7426025.htmlRaman spectroscopy is a popular methodology for molecular analysis. Typically an external laser is used in technique but this patent from Hewlett Packard teaches using nanowire laser arrays on which the molecules under study are placed adjacent the nanowire array...

US Patent 7425715 - Digital e-beam lithography stamp

Posted on September 19, 2008
http://www.freepatentsonline.com/7425715.htmlElectron beam lithography is capable of nanometer scale resolution but typically uses a single beam to pattern and is thus too slow for use in mass production of semiconductor devices. This patent teaches a large array of electron generating nanotips controlled to generate a digital lithographic pattern for a higher throughput...

US Patent 7425582 - Stable dispersion using surface modified nanoparticles

Posted on September 19, 2008
http://www.freepatentsonline.com/7425582.htmlDispersants are an ingredient to control phase separation between a a mixed phase dispersion. This patent from 3M teaches using surface-modified organic nanoparticles as an improved dispersant for a dispersion...

US Patent 7425368 - Nanotube filler for polymer orientation

Posted on September 16, 2008
http://www.freepatentsonline.com/7425368.htmlThis patent from M.I.T. teaches the use of carbon nanotube or nanofiber filler to enhance the orientation of molecular structures in spun polymer fibers to create stronger materials such as improved Kevlar...

US Patent 7425487 - Nanoelement FET fabrication

Posted on September 16, 2008
http://www.freepatentsonline.com/7425487.htmlDue to the expected difficulty in extending nanofabrication to sub-22 nm dimensions there is an increased interest from companies such as Infineon and Samsung in forming nanowires or nanotubes as channel elements for post-2012 FETs...

US Patent 7423287 - Measuring residual stress in MEMS

Posted on September 11, 2008
http://www.freepatentsonline.com/7423287.htmlDuring the manufacture of MEMS devices stress can develop along the movable microcomponents being fabricated. This patent from Qualcomm teaches providing several electrical connection portions in the MEMS structure designed to break based on predetermined stress levels in order to monitor the stress...

US Patent 7423285 - 3D matrix reconfigurable logic

Posted on September 11, 2008
http://www.freepatentsonline.com/7423285.htmlA variety of companies including Hewlett-Packard and Nantero have been working on crossbar circuit architectures to achieve more efficient nanoelectronics in coming decades. This patent from Sharp teaches providing wires to interconnect planes of such crossbar switching architectures and extend their integration into three dimensions to form more compact reconfigurable logic architectures...

US Patent 7423084 - High tensile strength polyethylene fibers containing carbon nanotubes

Posted on September 11, 2008
http://www.freepatentsonline.com/7423084.htmlThis patent from DSM IP Assets B.V. teaches a method for making higher tensile strength nanotube/polymer composites. Claim 1 reads:1. Method of producing a high strength and high modulus elongated product comprising the steps of :(a) making a composition comprising a semi-crystalline polymer and nanotubes,(b) extruding said composition into an elongated product, and(c) stretching the product below the melting point of the polymer,wherein in step (a) the composition is a colloidal dispersion of nanotubes in a solution of the polymer...

US Patent 7422980 - Oriented nanowires as electrical interconnect

Posted on September 09, 2008
http://www.freepatentsonline.com/7422980.htmlThis patent from Nanosys covers the fabrication of nanowire based sensors or electronics via nanowire deposition and orientation between closely spaced electrodes. Claim 1 reads:1. A method of making a nanowire based device, comprising:depositing a plurality of nanowires on at least a first region of a surface of a substrate; andforming at least first and second electrical contacts on the first region of the surface of the substrate such that at least first and second nanowires of the plurality of nanowires are positioned in contact with both the first and second electrical contacts,wherein the nanowires are made from a material selected from the group comprising Si, Ge, Sn, Se, Te, P, Si?C, Si?Ge, Si?Sn, Ge?Sn, SiC, AlN/AlP/AlAs/AlSb, GaN/GaP/GaAs/GaSb, InN/InP/InAs/InSb, AlN/AlP/AlAs/AlSb, GaN/GaP/GaAs/GaSb, InN/InP/InAs/InSb, ZnO/ZnS/ZnSe/ZnTe, CdS/CdSe/CdTe, HgS/HgSe/HgTe, BeS/BeSe/BeTe/MgS/MgSe, GeS, GeSe, GeTe, SnS, SnSe, SnTe, PbO, PbS, PbSe, PbTe, CuF, CuCl, CuBr, CuI, AgF, AgCl, AgBr, AgI, BeSiN2, CaCN2, ZnGeP2, CdSnAs2, ZnSnSb2, CuGeP3, CuSi2P3, (Cu, Ag)(Al, Ga, In, Tl, Fe)(S, Se, Te)2, Si3N4, Ge3N4, Al2O3, (Al, Ga, In)2(S, Se, Te)3, or Al2CO or alloys thereof,wherein the first and second electrical contacts are separated from each other on the first surface of the substrate by a distance that is less than 50% of an average length of the first and second nanowires.

US Patent 7422922 - Photovoltaics formed with semiconductor nanoparticle electrodes

Posted on September 09, 2008
http://www.freepatentsonline.com/7422922.htmlThis patent from Sony teaches a new manufacturing method for forming nanoparticle based solar cells having enhanced adhesiveness between the photovoltaic material and a substrate and better durability with respect to bending or expansion of the substrate...

US Patent 7420396 - Nanoparticle chain universal logic gate

Posted on September 07, 2008
http://www.freepatentsonline.com/7420396.htmlKnowmtech is a company exploring the possibilities of nanoparticle based materials to form neural networks and computational systems. This latest patent teaches a new type of reconfigurable computing logic based on self-assembling nanoparticle chains...

US Patent 7420199 - Vertical nanowire memristor memory cell

Posted on September 07, 2008
http://www.freepatentsonline.com/7420199.htmlEarlier this year HP researchers announced the memristor as a possible candidate for future non-volatile memory designs. Memristors possess a variable resistance switching property which offer potential to replace transistors as Moore's Law becomes more difficult to fulfill...

US Patent 7420156 - Metal nanowire bandpass filter

Posted on September 05, 2008
http://www.freepatentsonline.com/7420156.htmlThis patent from the University of Pittsburgh teaches the formation of a bandpass filter formed of nanowires useful to applications in spectrometry and analyte detection. Claim 1 reads:1. A band pass filter comprising a metal nanowire array, wherein:the array comprises a plurality of nanowires separated by slit shaped radiation transparent regions;the nanowires comprise metal islands located over a radiation transparent substrate; andthe metal islands have a thickness of between 100 nm and 250 nm.

US Patent 7420106 - Dielectric film characterization using tunneling

Posted on September 05, 2008
http://www.freepatentsonline.com/7420106.htmlThis patent from the University of Utah includes some broad claims covering he characterization of a dielectric surface via tunneling. Claim 1 reads:1. A method of characterizing a dielectric surface by detecting tunneling events, the method comprising acts of:applying a first voltage at a given location on the dielectric surface, the voltage being of a sufficient strength, and applied within a distance from the dielectric surface where tunneling events are likely to occur; anddetecting a tunneling event occurring as a result of applying the first voltage at the given location on the dielectric surface...

US Patent 7419887 - Laser assisted nanodeposition

Posted on September 05, 2008
http://www.freepatentsonline.com/7419887.htmlThis patent teaches a new type of nanofabrication process involving the focusing of a laser beam width to nanometer dimensions and using the laser to fuse nanoparticles deposited via a nanosize pore. Claim 1 reads:1...

US Patent 7419764 - Nanoimprint mold fabrication using E-beam+photolihography

Posted on September 05, 2008
http://www.freepatentsonline.com/7419764.htmlIn order to achieve sub-100 nm processing in coming years one alternative is nanoimprint lithography. Nanoimprint lithography uses a mold to transfer a pattern onto an opposing substrate. This patent from S...

US Patent 7419650 - Functionalized Short CNTs

Posted on September 04, 2008
http://www.freepatentsonline.com/7419650.htmlFor applications in hydrogen storage and as molecular sieves short length (

US Patents 7419624 + 7419651 - Fullerene nanotubes

Posted on September 04, 2008
http://www.freepatentsonline.com/7419624.htmlhttp://www.freepatentsonline.com/7419651.htmlMany of the basic fabrication methods for single walled nanotube production have come from research out of Rice University. While most of Rice's patents have previously focused on the single walled carbon nanotube type, a recent set of issued patents based on continuations (with priority going back to the 1990's) have extended the patent coverage to "fullerene nanotubes" which may include double or multiwall nanotubes types that are being explored as field emitters and transparent electrodes in electronics and display applications...

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