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Browse by Category: Main > Physics
Class Information
Number: 257/E21.395
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Multi-step process for the manufacture of unipolar device (epo) > Transistor-like structure, e.g., hot electron transistor (het); metal base transistor (mbt); resonant tunneling het (rhet); resonant tunneling transistor (rtt ); bulk barrier transistor (bbt); planar doped barrier transistor (pdbt); charge injection transistor (chint); ballistic transistor (epo)
Description: This subclass is indented under subclass E21.394. This subclass is substantially the same in scope as ECLA classification H01L21/334B.










Patents under this class:

Patent Number Title Of Patent Date Issued
8614436 Solid state klystron Dec. 24, 2013
8604772 MEMS-based resonant tunneling devices and arrays of such devices for electric field sensing Dec. 10, 2013
8471238 Light emitters using nanotubes and methods of making same Jun. 25, 2013
8274072 Ultrathin spacer formation for carbon-based FET Sep. 25, 2012
8207000 Manufacturing method of flat panel display Jun. 26, 2012
8188456 Thermionic electron emitters/collectors have a doped diamond layer with variable doping concentrations May. 29, 2012
8164116 Semiconductor device with hetero semiconductor region and method of manufacturing the same Apr. 24, 2012
7875469 Method of operating and process for fabricating an electron source Jan. 25, 2011
7859031 Light modulating sensing MOSFET transistor and process for manufacturing the same Dec. 28, 2010
7737467 Nitride semiconductor device with a hole extraction electrode Jun. 15, 2010
7682888 Methods of forming NMOS/PMOS transistors with source/drains including strained materials Mar. 23, 2010
7683364 Gated quantum resonant tunneling diode using CMOS transistor with modified pocket and LDD implants Mar. 23, 2010
7576353 Ballistic deflection transistor and logic circuits based on same Aug. 18, 2009
7569450 Semiconductor capacitors in hot (hybrid orientation technology) substrates Aug. 4, 2009
7414261 Ballistic semiconductor device Aug. 19, 2008
7339207 Semiconductor device including a group III-V nitride semiconductor Mar. 4, 2008
7291527 Work function control of metals Nov. 6, 2007
7098490 GaN DHFET Aug. 29, 2006
7078743 Field effect transistor semiconductor device Jul. 18, 2006
5744817 Hot carrier transistors and their manufacture Apr. 28, 1998
5562802 Method of producing a quantum device which utilizes the quantum effect Oct. 8, 1996
5496743 Method of making an article comprising a semiconductor device Mar. 5, 1996
5444267 Quantum device utilizing the quantum effect Aug. 22, 1995
5371038 Method of forming a quantum multi-function semiconductor device Dec. 6, 1994
5362972 Semiconductor device using whiskers Nov. 8, 1994
5323030 Field effect real space transistor Jun. 21, 1994
5318916 Symmetric self-aligned processing Jun. 7, 1994
5309003 Article comprising a real space transfer semiconductor device, and method of making the article May. 3, 1994
5279888 Silicon carbide semiconductor apparatus Jan. 18, 1994
5274255 Structure for providing high resolution modulation of voltage potential in the vicinity of a surface Dec. 28, 1993
5272095 Method of manufacturing heterojunction transistors with self-aligned metal contacts Dec. 21, 1993
5236872 Method of manufacturing a semiconductor device having a semiconductor body with a buried silicide layer Aug. 17, 1993
5124771 Semiconductor device Jun. 23, 1992











 
 
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