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Class 257/25 - Employing resonant tunneling


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: Subject matter wherein the operation of the device depends
No. of patents: 363
Last issue date: 03/13/2012


1                    
NumberTitleIssue Date
8134142Tunneling transistor with barrier
The invention suggests a transistor (21) comprising a source (24) and a drain (29) as well as a barrier region (27) located between the source and the drain. The barrier region is separated from the source and the drain by intrinsic or lo...
03/13/2012
8022394Molecular quantum interference apparatus and applications of same
A molecular quantum interference device for use in molecular electronics. In one embodiment, the device includes a molecular quantum interference unit having a first terminal group and a second terminal group between which quantum interference affects electrical con...
09/20/2011
7910918Gated resonant tunneling diode
A gated resonant tunneling diode (GRTD) that operates without cryogenic cooling is provided. This GRTD employs conventional CMOS process technology, preferably at the 65 nm node and smaller, which is different from other conventional quantum transistors that require...
03/22/2011
7893426Single-charge tunnelling device
A single-electron transistor (1) has an elongate conductive channel (2) and a side gate (3) formed in a 5 nm-thick layer (4) of Ga0.98Mn0.02As. The single-electron transistor (1) is operable, in a first mode, ...
02/22/2011
7638792Tunnel junction light emitting device
A tunnel junction light emitting device according to the present invention is provided with an active layer and an electron tunneling region supplying the active layer with carriers. The electron tunneling region has a first p-type semiconductor layer, a second p-ty...
12/29/2009
7579618Carbon nanotube resonator transistor and method of making same
A resonant transistor includes a substrate, a source and a drain formed on the substrate, an input electrode and a carbon nanotube gate. A gap is formed between the source and the drain. The input electrode is formed on the substrate. The carbon nanotube gate is cla...
08/25/2009
7528403Hybrid silicon-on-insulator waveguide devices
Device designs and techniques for providing efficient hybrid silicon-on-insulator devices where a silicon waveguide core or resonator is clad by the insulator and a top functional cladding layer in some implementations of the designs. ...
05/05/2009
7442953Wavelength selective photonics device
A device comprising a number of different wavelength-selective active-layers arranged in a vertical stack, having band-alignment and work-function engineered lateral contacts to said active-layers, consisting of a contact-insulator and a conductor-insulator. Photons...
10/28/2008
7368764Heterojunction bipolar transistor and method to make a heterojunction bipolar transistor
A heterojunction bipolar transistor and a method of making a heterojunction bipolar transistor. The heterojunction bipolar transistor includes: a regrown emitter region; an intrinsic base region forming a junction with the regrown emitter region; and an extrinsic ba...
05/06/2008
7361943Silicon-based backward diodes for zero-biased square law detection and detector arrays of same
A Si-based diode (10, 10′, 100) is formed by epitaxially depositing a Si-based diode structure on a silicon substrate. The Si-based diode structure includes a Si-based pn junction (16, 16′, 18, 18′, 30, 32, 160, 161) having a backward diode curre...
04/22/2008
7358920Cavity embedded antenna
A nested cavity embedded loop mode antenna is provided with an ultra wide band response by nesting individual embedded cavity meander line loaded antenna modules, with the meander lines coupled to a ground plane plate either capacitively or directly so as to provide...
04/15/2008
7351996Method of increasing efficiency of thermotunnel devices
The present invention comprises a tunneling device in which the collector electrode is modified so that tunneling of higher energy electrons from the emitter electrode to the collector electrode is enhanced. In one embodiment, the collector electrode is contacted wi...
04/01/2008
7352542Enhanced spin-valve sensor with engineered overlayer formed on a free layer
A GMR sensor is disclosed for sensing magnetically recorded information on a data storage medium. The sensor includes a ferromagnetic free layer and a ferromagnetic pinned layer sandwiching an electrically conductive spacer layer. An engineered overlayer is formed o...
04/01/2008
7351604Microstructures
A method for forming a microstructures is described. The method comprises: depositing a seed material on a substrate; growing a nanotube from the seed material; depositing microstructure material on the substrate to embed the nanotube in the microstructure material;...
04/01/2008
7336449Three terminal magnetic sensor (TTM) having a metal layer formed in-plane and in contact with the base region for reduced base resistance
A three terminal magnetic sensor (TTM) has a base region, a collector region which is adjacent the base region, an emitter region, and a barrier region which separates the emitter region from the base region. A sensing plane is defined along sides of the base region...
02/26/2008
7335908Nanostructures and methods for manufacturing the same
A resonant tunneling diode, and other one dimensional electronic, photonic structures, and electromechanical MEMS devices, are formed as a heterostructure in a nanowhisker by forming length segments of the whisker with different materials having different band gaps....
02/26/2008
7329606Semiconductor device having nanowire contact structures and method for its fabrication
A semiconductor device having small electrical contacts to impurity doped regions and a method for fabrication of such a device are provided. In accordance with one embodiment of the invention the semiconductor device comprises a semiconductor substrate having a dop...
02/12/2008
7330620Low loss funnel-type PLC optical splitter with input cladding mode absorption structure and/or output segmented taper structure
A funnel-type planar lightwave circuit (PLC) optical splitter having an input optical waveguide, a slab waveguide receiving the input optical signal from the input optical waveguide, and output waveguides projecting from the slab region. The region connecting the sl...
02/12/2008
7327037High density nanostructured interconnection
A method and apparatus for forming an electrically and/or thermally conducting interconnection is disclosed wherein a first surface and a second surface are contacted with each other via a plurality of nanostructures disposed on at least one of the surfaces. In one ...
02/05/2008
7317436Liquid crystal display device and method of fabricating the same
A liquid crystal display device includes a liquid crystal display panel having an effective area and a non-display area, and a temperature sense pattern provided within the non-display area of the liquid crystal display panel. ...
01/08/2008
7317230Fin FET structure
A fin FET structure employs a negative word line scheme. A gate electrode of a fin FET employs an electrode doped with n+ impurity, and a channel doping for a control of threshold voltage is not executed, or the channel doping is executed by a low density, thereby r...
01/08/2008
7303948Semiconductor device including MOSFET having band-engineered superlattice
A semiconductor device includes a substrate, and at least one MOSFET adjacent the substrate. The MOSFET may include a superlattice channel that, in turn, includes a plurality of stacked groups of layers. The MOSFET may also include source and drain regions laterally...
12/04/2007
7301199Nanoscale wires and related devices
The present invention relates generally to sub-microelectronic circuitry, and more particularly to nanometer-scale articles, including nanoscale wires which can be selectively doped at various locations and at various levels. In some cases, the articles may be singl...
11/27/2007
7295586Carbon doped GaAsSb suitable for use in tunnel junctions of long-wavelength VCSELs
GaAs(1−x)Sbx layers are grown by MOCVD. For lattice matching with InP, x is set to 0.5, while beneficial alternatives include setting x to 0.23, 0.3, and 0.4. During MOVCD, TMGa (or TEGa), TMSb, and AsH3 (or TBAs) are used to fabri...
11/13/2007
7294248Fabrication and activation processes for nanostructure composite field emission cathodes
A method of forming an electron emitter includes the steps of: (i) forming a nanostructure-containing material; (ii) forming a mixture of nanostructure-containing material and a matrix material; (iii) depositing a layer of the mixture onto at least a portion of at l...
11/13/2007
7288457Method for making semiconductor device comprising a superlattice with upper portions extending above adjacent upper portions of source and drain regions
A method for making a semiconductor device may include providing a semiconductor substrate and forming at least one MOSFET by forming spaced apart source and drain regions and a superlattice on the substrate so that the superlattice is between the source and drain r...
10/30/2007
7279699Integrated circuit comprising a waveguide having an energy band engineered superlattice
An integrated circuit may include at least one active optical device and a waveguide coupled thereto. The waveguide may include a superlattice including a plurality of stacked groups of layers. Each group of layers of the superlattice may include a plurality of stac...
10/09/2007
7279701Semiconductor device comprising a superlattice with upper portions extending above adjacent upper portions of source and drain regions
A semiconductor device may include a semiconductor substrate and at least one metal oxide semiconductor field-effect transistor (MOSFET). The MOSFET may include spaced apart source and drain regions on the semiconductor substrate, and a superlattice including a plur...
10/09/2007
7276172Method for preparing a nanowire crossbar structure and use of a structure prepared by this method
The present invention relates to a method for preparing a nanowire crossbar structure, comprising: (a) providing a substrate; (b) depositing thereon a composite structure comprising a nucleic acid-block copolymer having equidistant nucleic acid-catalyst binding site...
10/02/2007
7269052Device selection circuitry constructed with nanotube technology
A memory system having electromechanical memory cells and decoders is disclosed. A decoder circuit selects at least one of the memory cells of an array of such cells. Each cell in the array is a crossbar junction at least one element of which is a nanotube or a nano...
09/11/2007
7265002Method for making a semiconductor device including a MOSFET having a band-engineered superlattice with a semiconductor cap layer providing a channel
A method for making a semiconductor device may include providing a substrate, and forming at least one MOSFET adjacent the substrate by forming a superlattice including a plurality of stacked groups of layers and a semiconductor cap layer on an uppermost group of la...
09/04/2007
7262075High-aspect-ratio metal-polymer composite structures for nano interconnects
A low-temperature process that combines high-aspect-ratio polymer structures with electroless copper plating to create laterally compliant MEMS structures. These structures can be used as IC-package interconnects that can lead to reliable, low-cost and high-performa...
08/28/2007
7253035Thin film transistor array panel and manufacturing method thereof
A method of manufacturing a thin film transistor array panel is provided, which includes: forming a gate line on a substrate; forming a gate insulating layer; forming a semiconductor layer; forming a lower data line; forming an upper data line including a source ele...
08/07/2007
7230805Semiconductor slider with an integral spin valve transistor structure and method for making same without a bonding step
A semiconductor slider including an integral spin valve transistor (SVT) having a read width of 250 nm or less disposed on a monolithic semiconductor. substrate, useful in magnetic data storage applications. The monolithic slider may also include other magnetic and ...
06/12/2007
7229902Method for making a semiconductor device including a superlattice with regions defining a semiconductor junction
A method for making a semiconductor device may include forming a superlattice comprising a plurality of stacked groups of layers. Each group of layers of the superlattice may include a plurality of stacked base silicon monolayers defining a base silicon portion and ...
06/12/2007
7227174Semiconductor device including a superlattice and adjacent semiconductor layer with doped regions defining a semiconductor junction
A semiconductor device may include a superlattice comprising a plurality of stacked groups of layers. Each group of layers of the superlattice may include a plurality of stacked base silicon monolayers defining a base silicon portion and an energy band-modifying lay...
06/05/2007
7224174Optical alignment loops for the wafer-level testing of optical and optoelectronic chips
This application describes, among others, wafer designs, testing systems and techniques for wafer-level optical testing by coupling probe light to/from the top of the wafer. A wafer level test system uses an optical probe to search for and align with an optical alig...
05/29/2007
7224041Design and fabrication of 6.1-Å family semiconductor devices using semi-insulating A1Sb substrate
For the first time, an aluminum antimonide (AlSb) single crystal substrate is utilized to lattice-match to overlying semiconductor layers. The AlSb substrate establishes a new design and fabrication approach to construct high-speed, low-power electronic devices whil...
05/29/2007
7220636Process for controlling performance characteristics of a negative differential resistance (NDR) device
A variety of processes are disclosed for controlling NDR characteristics for an NDR element, such as peak-to-valley ratio (PVR), NDR onset voltage (VNDR) and related parameters. The processes are based on conventional semiconductor manufacturing operation...
05/22/2007
7221005Negative resistance field-effect device
A negative resistance field-effect element that is a negative differential resistance field-effect element capable of achieving negative resistance at a low power supply voltage (low drain voltage) and also enabling securement of a high PVCR is formed on its InP sub...
05/22/2007
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