Intellectual Property Law

US Patent 7741197 - Reduced contamination deposition of nanowires

Posted on June 22, 2010
http://www.freepatentsonline.com/7741197.htmlIn order to enable silicon nanowires electronics it is necessary to provide integration techniques resulting in devices with uniform and reproducible characteristics. This latest patent from Nanosys teaches one method of nanowire deposition designed to improve the device consistency for mass production...

US Patent 7740997 - Photoreceptor including polymeric material embedded in CNTs

Posted on June 22, 2010
http://www.freepatentsonline.com/7740997.htmlIn order to improve the lifetime and image quality for photosensitive drums used in laser printers this patent from Xerox teaches polymer on carbon nanotube material as an enhanced charge storage medium. Claim 1 reads:1...

US Patent 7740825 - Formation of CNT aggregate

Posted on June 22, 2010
http://www.freepatentsonline.com/7740825.htmlMost material applications of carbon nanotube include adding the nanotubes to a composite polymer or metal matrix which can enhance the electrical or thermal properties of the matrix but do not provide the maximum benefit of the CNT properties...

US Patent 7738280 - Nanoparticle thin film memristor

Posted on June 21, 2010
http://www.freepatentsonline.com/7738280.htmlThis patent from Panasonic teaches a new variation of the memristor based on nanoparticles on an oxide thin film layer. Claim 1 reads:1. A resistive nonvolatile memory element comprising:a first electrode;an oxide semiconductor layer which is formed on the first electrode and the resistance of which is altered depending on the applied voltage;metal nanoparticles having a diameter of between 2 nm and 10 nm and being arranged on the oxide semiconductor layer;a tunnel barrier layer formed on the oxide semiconductor layer and the metal nanoparticles; anda second electrode formed on the tunnel barrier layer, said metal nanoparticles being in contact with the oxide semiconductor layer.

To access this complete feed in the blog feed reader login or register for free.

US Patent 7737432 - Coupled quantum dot computer

Posted on June 21, 2010
http://www.freepatentsonline.com/7737432.htmlThis patent from the National Research Council of Canada teaches a variation of qubits used in quantum computing which provide the advantage of a long coherence time and voltage control of the qubit state. Claim 1 reads:1...

US Patent 7736893 - Nanobio devices of imitative anatomy structure

Posted on June 21, 2010
http://www.freepatentsonline.com/7736893.htmlThis patent from SII Nanotechnology teaches an interesting method to culture artificial internal organs using optical trapping to manipulate individual cells. Claim 1 reads:1. A method of producing a nanobio device of imitative anatomy structure, comprising the steps of:manufacturing a substrate for a nanobio device by focused ion beam processing, the substrate having an array of chambers with walls formed as partitions that separate the chambers; andarranging individual cells, from among a plurality of types of cultured cells, in individual chambers using optical tweezers to permit interaction among the cells to produce a nanobio device of imitative anatomy structure.

US patent 7736741 - SWCNT Schottky junction

Posted on June 17, 2010
http://www.freepatentsonline.com/7736741.htmlIt is well known that single walled carbon nanotubes can be formed with either metallic or semiconductor characteristics based on the chirality of the nanotube. This patent from Sony Corp. teaches how to form a nanotube that integrates both the metallic and the semiconducting portions in a single nanotube which can provide basic rectifier functions on a molecular level and may simplify integration with electrode contacts...

US Patent 7736724 - Fabrication of nanobaskets

Posted on June 17, 2010
http://www.freepatentsonline.com/7736724.htmlThis patent from the University of Tulsa teaches a method of forming a new type of nanostructure having potential uses in photovoltaics and electrode structures for batteries. Claim 1 reads:1. A method of producing a nanobasket, said method comprising:providing a substrate having at least one pore having a diameter of from about 1 nm to about 10 micrometers; anddepositing at least one material along a continuous edge of said pore to form a capped or partially capped nanotube or microtube structure over said pore...

US Patent 7736553 - Nanoparticle desublimation via electrostatic charging

Posted on June 17, 2010
http://www.freepatentsonline.com/7736553.htmlThis patent from BASF AG teaches using electrostatic charging of nanoparticles during fabrication in order to prevent the agglomeration of the nanoparticles which makes uniform distribution in a composite difficult...

US Patent 7736468 - Nanoparticle coating for textile and paper processing equipment

Posted on June 16, 2010
http://www.freepatentsonline.com/7736468.htmlThis patent from Albany International Corp. teaches enhancing the life expectancy of the process belts and rollers used in paper processing by using nanoparticle coatings. Claim 1 reads:1. A papermaking process belt, textile belt or roll cover, comprisinga urethane-based coating comprising nanoparticles, wherein at least one of the following characteristics is improved: resistance to crack propagation, resistance to groove closure, or wear characteristics...

US Patent 7736209 - Nanoparticle screen printing

Posted on June 16, 2010
http://www.freepatentsonline.com/7736209.htmlScreen printing is a common technique used in printing on textile objects such as T-shirts or printing on materials such as metals and wood which are incompatible with other printing methods. More recently screen printing has been used to pattern electronic structures...

US Patent 7736131 - Turbine blade with CNT shell

Posted on June 16, 2010
http://www.freepatentsonline.com/7736131.htmlIn order to increase the life expectancy of gas turbine engines this patent teaches using carbon nanotubes to improve the temperature stability of turbine blades. Claim 1 reads:1. A turbine blade for use in a gas turbine engine, the turbine blade comprising:an attachment portion;a spar extending outward from the attachment portion;a shell secured to the attachment portion; and,the shell being formed from nanotubes extending substantially in the spanwise direction of the blade...

US Patent 7735147 - Tapered CNT scanning probe tip

Posted on June 14, 2010
http://www.freepatentsonline.com/7735147.htmlA variety of designs have been developed in the past several years for carbon nanotube tipped atomic force microscopes which can provide higher resolution scanning in the nanoscale. This patent teaches a variation in which a conical carbon shape is grown to form a more stable tip...

US Patent 7732918 - Vapor chamber heat sink with CNT fluid interface

Posted on June 14, 2010
http://www.freepatentsonline.com/7732918.htmlThis patent from Nanoconduction takes advantage of the high surface area of carbon nanotube arrays to improve the efficiency of vapor cooling chambers. Claim 1 reads:1. A thermal transposer, comprising:a substrate;a plurality of carbon nanotubes individually grown on a first surface of said substrate in an orientation that is substantially parallel to a desired heat transfer axis of said thermal transposer;an encapsulating structure attached to said substrate together forming a sealed vapor chamber, wherein said carbon nanotubes are located inside of said sealed vapor chamber; and, a vapor fluid contained within said vapor chamber...

US Patent 7732859 - CMOS compatible graphene FET

Posted on June 14, 2010
http://www.freepatentsonline.com/7732859.htmlAlthough the discovery of carbon nanotubes is often credited to Sumio Iijima of NEC, the first examples of single walled carbon nanotubes and nanotube transistors were developed by researchers from IBM. This patent from IBM continues their tradition in advancing the state of the art in carbon-based electronics by teaching how to manufacture field effect transistors based on graphene...

US Patent 7732853 - Multibit nanocrystal FET

Posted on June 13, 2010
http://www.freepatentsonline.com/7732853.htmlNon-volatile memory such as floating gate transistors (Flash memory) have relied on scaling of transistor dimensions to increase storage density. An alternative to scaling is the use of multibit memory in which two or more bits of data are stored using a single memory cell transistor...

US Patent 7732805 - CNT image sensor

Posted on June 13, 2010
http://www.freepatentsonline.com/7732805.htmlThis patent from Dongbu Hitek Co. is based on the finding that carbon nanotubes can increase the quantum efficiency of photodiodes. Claim 1 reads:1. An image sensor comprising:a substrate including transistor circuitry;a lower interconnection on the substrate connected to the transistor circuitry a first conductive-type conductive layer on the lower interconnection;an intrinsic layer on the first conductive-type conductive layer;carbon nanotubes on the intrinsic layer; anda conductive polymer layer coated on the carbon nanotubes, wherein the carbon nanotubes are doped with a second conductive-type material...

US Patent 7732316 - Controlled fabrication of vertical CNTFETs

Posted on June 13, 2010
http://www.freepatentsonline.com/7732316.htmlThis patent is from Hynix Semiconductor and teaches a fabrication process for carbon nanotube transistors which may increase reliability during mass production. Claim 1 reads:1. A manufacturing method of a semiconductor device, the method comprising:forming a layer comprising a plurality of hemispherical single crystal silicon elements over a semiconductor substrate;forming one or more carbon nano tubes between adjacent hemispherical single crystal silicon elements;forming a gate insulating layer over the hemispherical single crystal silicon elements, the semiconductor substrate, and the carbon nano tubes; and forming a gate material layer over the gate insulating layer...

US Patent 7731930 - Double walled CNT assembly

Posted on June 11, 2010
http://www.freepatentsonline.com/7731930.htmlDouble-walled carbon nanotubes are the simplest form of conductive multiwalled nanotubes having optimum characteristics for field emission used in displays and biological or chemical sensors. This patent from Nikon includes some basic claims to CVD grown nanotubes containing a high percentage of double walled nanotubes...

US Patent 7731928 - Silanized CNTs

Posted on June 11, 2010
http://www.freepatentsonline.com/7731928.htmlQimonda AG is a semiconductor memory company which, while recently undergoing bankruptcy issues, has developed several innovative solutions for semiconductor device development. For example, this latest patent teaches a process to form a dielectric coating on nanotubes useful to the fabrication of CNT sensors and transistors...

US Patent 7731503 - CNT contact structure

Posted on June 11, 2010
http://www.freepatentsonline.com/7731503.htmlFormFactor Inc. is a company which produces probe card equipment used in testing semiconductor equipment. This patent teaches using carbon nanotubes as the probe contact which may provide higher resolution testing...

US Patent 7730547 - Nanotube strain sensor

Posted on June 09, 2010
http://www.freepatentsonline.com/7730547.htmlThis patent is from William Marsh Rice University and includes some basic claims to sensing strain with carbon nanotubes. Claim 1 reads:1. A device for measuring mechanical conditions, wherein the device comprises:a sensing element comprising a plurality of carbon nanotubes; andan electrical probe in contact with the plurality of carbon nanotubes;wherein the electrical probe is sensitive to an electrical property of the carbon nanotubes in a measureable way...

US Patent 7728830 - Inverse GPS control of nanoparticle circuits

Posted on June 09, 2010
http://www.freepatentsonline.com/7728830.htmlThis patent teaches a new way of addressing nanoscale structures by using 3 wavefronts which are selectively delayed to intersect at a selected position. Claim 1 reads:1. A method for addressing a plurality of nano-scaled structured elements embedded in an m-dimensional medium capable of wave-like propagation of signals, each of said plurality of nano-scaled, structured elements being reactive to a local state of the m-dimensional medium, said method comprising steps of:a) sending, via a broadcast through said m-dimensional medium in a wave-like propagation from n+1 spatially localized transmitters, a plurality of control signals to the plurality of nano-scaled, structured elements arranged in an n-dimensional array within the m-dimensional medium, where a timing of initiation of said plurality of control signals is varied and each of said plurality of control signals reaches all of said plurality of nano-scaled, structured elements in said n-dimensional array; andb) addressing at least one of the plurality of nano-scaled, structured elements, when said plurality of control signals propagating through said m-dimensional medium arrives at a common time at a location of said at least one of the plurality of nano-scaled, structured elements...

US Patent 7728626 - Nanolaminate transistor logic array

Posted on June 09, 2010
http://www.freepatentsonline.com/7728626.htmlThis patent from Micron teaches a transistor architecture using nanolaminate charge trapping structures for higher density programmable logic. Claim 1 reads:1. A programmable logic array, comprising:a plurality of input lines for receiving an input signal;a plurality of output lines; andone or more arrays having a first logic plane and a second logic plane connected between the input lines and the output lines, wherein the first logic plane and the second logic plane comprise a plurality of logic cells arranged in rows and columns for providing a sum-of-products term on the output lines responsive to a received input signal,wherein each logic cell includes a transistor cell including: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 gate insulator; andwherein the gate insulator includes oxide insulator nanolaminate layers wherein at least one charge trapping layer in the oxide insulator nanolaminate layers is substantially amorphous...

US Patent 7728332 - Nanotube array ballistic LED

Posted on June 08, 2010
http://www.freepatentsonline.com/7728333.htmlBallistic transport is a property of single walled carbon nanotubes which results in low electrical resistance due to lack of electron scattering. So far this property has been suggested mostly for transistor designs...

US Patent 7728284 - Polarized optical nanotweezers

Posted on June 08, 2010
http://www.freepatentsonline.com/7728284.htmlTwo of the primary techniques used to manipulate individual nanoparticles are atomic force microscopy and optical tweezers. This patent from Japan Science and Technology Agency teaches a method of using optical tweezers on groups of quantum dots...

US Patent 7727830 - Ge nanowire FinFET

Posted on June 08, 2010
http://www.freepatentsonline.com/7727830.htmlGermanium was an early contender as the material used to form transistors due to a high mobility. Eventually silicon won out despite having a lower mobility due to the ease of forming SiO2 dielectric on the silicon surface...

US Patent 7727814 - CNT solder interconnect

Posted on June 07, 2010
http://www.freepatentsonline.com/7727814.htmlThere has been much academic work on the use of carbon nanotubes in semiconductor device design however more near-term electronic applications may involve the packaging of ICs due to high thermal conductivity of CNT material...

US Patent 7727786 - Photonic DRAM with nanotube layer

Posted on June 07, 2010
http://www.freepatentsonline.com/7727786.htmlDRAM is popular as the main memory in personal computers due to its simplicity and small size. However, the requirement for frequent memory refreshing makes DRAM highly inefficient. This patent from Micron teaches a photonic memory variation in which the bits are stored based on photons in a phosphorescent material and in which aligned nanotube arrays are used to reduce crosstalk between adjacent memory cells...

US Patent 7727776 - Nanoparticles with 3D nanopore structure

Posted on June 07, 2010
http://www.freepatentsonline.com/7727786.htmlSurface Enhanced Raman Spectroscopy is one of the more popular applications of metallic nanoparticles for high sensitivity environmental sensing. This patent from Honeywell teaches a variation of SERS using nanoporous nanoparticles...

Bloggers, promote your law blog by nominating your blog for inclusion in USLaw.com's Law Blog Directory and RSS Reader. Benefits described.