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Class Information
Number: 257/1
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Bulk effect device
Description: Subject matter in which the active device is made up of a semiconductor material whose electrical characteristics are due to the electronic properties of the semiconductor material, which are exhibited throughout the entire body of material rather than in just a localized region thereof (e.g., the surface).


Sub-classes under this class:

Class Number Class Name Patents
257/2 Bulk effect switching in amorphous material 320
257/6 Intervalley transfer (e.g., gunn effect) 52


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7615769 Nonvolatile memory device and fabrication method thereof Nov. 10, 2009
7586777 Resistance variable memory with temperature tolerant materials Sep. 8, 2009
7550755 Semiconductor device with tunable energy band gap Jun. 23, 2009
7521760 Integrated circuit chip with FETs having mixed body thickness and method of manufacture thereof Apr. 21, 2009
7508049 Semiconductor optical device Mar. 24, 2009
7504288 Method for laser-processing semiconductor device Mar. 17, 2009
7494546 Method of growing insulating, semiconducting, and conducting group III-nitride thin films and coatings, and use as radiation hard coatings for electronics and optoelectronic devices Feb. 24, 2009
7494545 Epitaxial deposition process and apparatus Feb. 24, 2009
7491962 Resistance variable memory device with nanoparticle electrode and method of fabrication Feb. 17, 2009
7482615 High performance MOSFET comprising stressed phase change material Jan. 27, 2009
7482621 Rewritable nano-surface organic electrical bistable devices Jan. 27, 2009
7462497 Method and system for derivation of breakdown voltage for MOS integrated circuit devices Dec. 9, 2008
7449710 Vacuum jacket for phase change memory element Nov. 11, 2008
7446335 Process and apparatus for forming nanoparticles using radiofrequency plasmas Nov. 4, 2008
7423282 Memory structure and method of manufacture Sep. 9, 2008
7420261 Bulk nitride mono-crystal including substrate for epitaxy Sep. 2, 2008
7405418 Memory device electrode with a surface structure Jul. 29, 2008
7402829 Structured silicon anode Jul. 22, 2008
7397060 Pipe shaped phase change memory Jul. 8, 2008
7393798 Resistance variable memory with temperature tolerant materials Jul. 1, 2008
7394086 Magnetic sensor and manufacturing method therefor Jul. 1, 2008
7394087 Phase-changeable memory devices and methods of forming the same Jul. 1, 2008
7394088 Thermally contained/insulated phase change memory device and method (combined) Jul. 1, 2008
7368085 Analyte detector May. 6, 2008
7365411 Resistance variable memory with temperature tolerant materials Apr. 29, 2008
7365355 Programmable matrix array with phase-change material Apr. 29, 2008
RE40162 Thin film transistor array substrate for a liquid crystal display Mar. 25, 2008
7339184 Systems and methods for harvesting and integrating nanowires Mar. 4, 2008
7323708 Phase change memory devices having phase change area in porous dielectric layer Jan. 29, 2008
7307269 Phase-change RAM containing AIN thermal dissipation layer and TiN electrode Dec. 11, 2007
7262501 Large-area nanoenabled macroelectronic substrates and uses therefor Aug. 28, 2007
7258838 Solid state molecular probe device Aug. 21, 2007
7236066 Film bulk acoustic resonator and filter circuit including a plurality of film bulk acoustic resonators Jun. 26, 2007
7233034 Hydrogen permeable protective coating for a catalytic surface Jun. 19, 2007
7227169 Programmable surface control devices and method of making same Jun. 5, 2007
7192533 Method of manufacturing nanowires and electronic device Mar. 20, 2007
7186380 Transistor and sensors made from molecular materials with electric dipoles Mar. 6, 2007
7183567 Using selective deposition to form phase-change memory cells Feb. 27, 2007
7148543 Semiconductor chip which combines bulk and SOI regions and separates same with plural isolation regions Dec. 12, 2006
7132730 Bulk nitride mono-crystal including substrate for epitaxy Nov. 7, 2006
7122389 Method for processing semiconductor devices in a singulated form Oct. 17, 2006
7068068 Re-configurable mixed-mode integrated circuit architecture Jun. 27, 2006
6956231 Switchable circuit devices Oct. 18, 2005
6911682 Electromechanical three-trace junction devices Jun. 28, 2005
6903365 Electronic device using carbon element linear structure and production method thereof Jun. 7, 2005
6872962 Radio frequency (RF) filter within multilayered low temperature co-fired ceramic (LTCC) substrate Mar. 29, 2005
6872645 Methods of positioning and/or orienting nanostructures Mar. 29, 2005
6818094 Reciprocating gas valve for pulsing a gas Nov. 16, 2004
6780649 Photoluminescent semiconductor materials Aug. 24, 2004
6762871 Switchable mirror glass using magnesium-containing thin film Jul. 13, 2004

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