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Class Information
Number: 438/347
Name: Semiconductor device manufacturing: process > Forming bipolar transistor by formation or alteration of semiconductive active regions > Permeable or metal base
Description: Process for making a bipolar transistor wherein the base region incompletely separates the collector and emitter regions, or is constructed of a metallic material.










Patents under this class:

Patent Number Title Of Patent Date Issued
8541248 Methods for fabricating planar heater structures for ejection devices Sep. 24, 2013
8288184 Production method of semiconductor device and semiconductor device Oct. 16, 2012
8101492 Method for making semiconductor device Jan. 24, 2012
RE42955 GaN-based permeable base transistor and method of fabrication Nov. 22, 2011
8021951 Formation of longitudinal bipolar transistor with base region in trenches having emitter and collector regions disposed along portions of side surfaces of base region Sep. 20, 2011
8021936 Method of manufacturing thin film transistor Sep. 20, 2011
7973345 Method of cleaning a patterning device, method of depositing a layer system on a substrate, system for cleaning a patterning device, and coating system for depositing a layer system on a subst Jul. 5, 2011
7910395 LED structure Mar. 22, 2011
7541249 Process for producing a base connection of a bipolar transistor Jun. 2, 2009
7413958 GaN-based permeable base transistor and method of fabrication Aug. 19, 2008
6589823 Silicon-on-insulator (SOI)electrostatic discharge (ESD) protection device with backside contact plug Jul. 8, 2003
6368903 SOI low capacitance body contact Apr. 9, 2002
6153488 Method for producing semiconductor device, and semiconductor device produced by same Nov. 28, 2000
6025243 Method for preparing a semiconductor device Feb. 15, 2000
5814548 Process for making n-channel or p-channel permeable base transistor with a plurality layers Sep. 29, 1998
5405789 Method of manufacturing a semiconductor device whereby a laterally bounded semiconductor zone is formed in a semiconductor body in a self-aligning manner Apr. 11, 1995
5296390 Method for fabricating a semiconductor device having a vertical channel of carriers Mar. 22, 1994
5290715 Method of making dielectrically isolated metal base transistors and permeable base transistors Mar. 1, 1994
5264381 Method of manufacturing a static induction type switching device Nov. 23, 1993
5236872 Method of manufacturing a semiconductor device having a semiconductor body with a buried silicide layer Aug. 17, 1993
5168070 Electronic component, especially a permeable base transistor Dec. 1, 1992
5143859 Method of manufacturing a static induction type switching device Sep. 1, 1992
5106778 Vertical transistor device fabricated with semiconductor regrowth Apr. 21, 1992
5032538 Semiconductor embedded layer technology utilizing selective epitaxial growth methods Jul. 16, 1991
5017517 Method of fabricating semiconductor device using an Sb protection layer May. 21, 1991
5010037 Pinhole-free growth of epitaxial CoSi.sub.2 film on Si(111) Apr. 23, 1991
4903089 Vertical transistor device fabricated with semiconductor regrowth Feb. 20, 1990
4901121 Semiconductor device comprising a perforated metal silicide layer Feb. 13, 1990
4837174 Method for producing thin conductive and semi-conductive layers in mono-crystal silicon Jun. 6, 1989
4758534 Process for producing porous refractory metal layers embedded in semiconductor devices Jul. 19, 1988
4748132 Micro fabrication process for semiconductor structure using coherent electron beams May. 31, 1988
4735918 Vertical channel field effect transistor Apr. 5, 1988
4728616 Ballistic heterojunction bipolar transistor Mar. 1, 1988
4707197 Method of producing a silicide/Si heteroepitaxial structure, and articles produced by the method Nov. 17, 1987
4510016 Method of fabricating submicron silicon structures such as permeable base transistors Apr. 9, 1985
4492971 Metal silicide-silicon heterostructures Jan. 8, 1985
4378629 Semiconductor embedded layer technology including permeable base transistor, fabrication method Apr. 5, 1983











 
 
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