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Class Information
Number: 257/38
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Thin active physical layer which is (1) an active potential well layer thin enough to establish discrete quantum energy levels or (2) an active barrier layer thin enough to permit quantum mechanical tunneling or (3) an active layer thin enough to permit carrier transmission with substantially no scattering (e.g., superlattice quantum well, or ballistic transport device) > Tunneling through region of reduced conductivity > At least one electrode layer of semiconductor material > Three or more electrode device
Description: Subject matter wherein the tunneling device has three or more electrodes, at least one of which is made of a semiconductive material.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8680592 Method of forming a magnetic tunnel junction device Mar. 25, 2014
8586966 Contacts for nanowire field effect transistors Nov. 19, 2013
8441000 Heterojunction tunneling field effect transistors, and methods for fabricating the same May. 14, 2013
8432730 Semiconductor device and method for driving the same Apr. 30, 2013
8324030 Nanowire tunnel field effect transistors Dec. 4, 2012
8299520 Semiconductor devices including auxiliary gate electrodes and methods of fabricating the same Oct. 30, 2012
8278650 Organic semiconductor, photoelectric conversion element and image device Oct. 2, 2012
8232165 Film wrapped NFET nanowire Jul. 31, 2012
8173992 Transistor or triode structure with tunneling effect and insulating nanochannel May. 8, 2012
8173993 Gate-all-around nanowire tunnel field effect transistors May. 8, 2012
7947977 Thin film transistor May. 24, 2011
7655942 Fiber incorporating quantum dots as programmable dopants Feb. 2, 2010
7534710 Coupled quantum well devices (CQWD) containing two or more direct selective contacts and methods of making same May. 19, 2009
7521708 High sensitivity ring-SQUID magnetic sensor Apr. 21, 2009
7449713 Semiconductor memory device Nov. 11, 2008
7439089 Method of fabricating array substrate having color filter on thin film transistor structure Oct. 21, 2008
7400017 Reverse conducting semiconductor device and a fabrication method thereof Jul. 15, 2008
7378328 Method of fabricating memory device utilizing carbon nanotubes May. 27, 2008
7250648 Ferroelectric rare-earth manganese-titanium oxides Jul. 31, 2007
7196351 Forming phase change memories Mar. 27, 2007
7183568 Piezoelectric array with strain dependant conducting elements and method therefor Feb. 27, 2007
7157731 Semiconductor device and its manufacture Jan. 2, 2007
6844571 III-nitride light-emitting device with increased light generating capability Jan. 18, 2005
6833556 Insulated gate field effect transistor having passivated schottky barriers to the channel Dec. 21, 2004
6479863 Method and apparatus for injecting charge onto the floating gate of a nonvolatile memory cell Nov. 12, 2002
6344659 Superconducting transistor arrangement and a method relating thereto Feb. 5, 2002
6023124 Electron emission device and display device using the same Feb. 8, 2000
6020596 Superconducting device including an isolation layer Feb. 1, 2000
5962864 Gated resonant tunneling device and fabricating method thereof Oct. 5, 1999
5717222 Superconducting device having an extremely thin superconducting channel formed of oxide superconductor material and method for manufacturing the same Feb. 10, 1998
5682041 Electronic part incorporating artificial super lattice Oct. 28, 1997
5665979 Coulomb-blockade element and method of manufacturing the same Sep. 9, 1997
5621223 Superconducting device having a reduced thickness of oxide superconducting layer and method for manufacturing the same Apr. 15, 1997
5594257 Superconducting device having a superconducting channel formed of oxide superconductor material and method for manufacturing the same Jan. 14, 1997
5552374 Oxide superconducting a transistor in crank-shaped configuration Sep. 3, 1996
5550389 Superconducting device Aug. 27, 1996
5528052 Superconductive-channel electric field-effect drive Jun. 18, 1996
5521862 Apparatus and method for storing information in magnetic fields May. 28, 1996
5506197 Superconducting device having an extremely thin superconducting channel formed of oxide superconductor material Apr. 9, 1996
5485017 Semiconductor device and method of manufacturing same Jan. 16, 1996
5471069 Superconducting device having an extremely short superconducting channel formed of extremely thin oxide superconductor film Nov. 28, 1995
5462918 Superconducting field effect device with vertical channel formed of oxide superconductor material Oct. 31, 1995
5446015 Superconducting device having a reduced thickness of oxide superconducting layer Aug. 29, 1995
5442196 Superconducting device Aug. 15, 1995
5430013 Superconducting thin film formed of oxide superconductor material, superconducting current path and superconducting device utilizing the superconducting thin film Jul. 4, 1995
5413982 Field effect transistor having c-axis channel layer May. 9, 1995
5401714 Field-effect device with a superconducting channel Mar. 28, 1995
5357120 Compound semiconductor device and electric power converting apparatus using such device Oct. 18, 1994
5357125 Power switching semiconductor device including SI thyristor and MOSFET connected in cascade Oct. 18, 1994
5352905 Semiconductor surge suppressor Oct. 4, 1994

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