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Class Information
Number: 438/334
Name: Semiconductor device manufacturing: process > Forming bipolar transistor by formation or alteration of semiconductive active regions > Forming inverted transistor structure
Description: Process forming a bipolar transistor structure in which a semiconductor body such as a semiconductor substrate or a semiconductor layer is used as its emitter region, a first semiconductor region formed in the semiconductor body is used as the base region and a second semiconductor region formed in the first semiconductor region is used as the collector region.










Patents under this class:

Patent Number Title Of Patent Date Issued
8461633 Thin film transistor and manufacturing method thereof Jun. 11, 2013
8343824 Gallium nitride material processing and related device structures Jan. 1, 2013
8115256 Semiconductor device Feb. 14, 2012
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
7939417 Bipolar transistor and back-gated transistor structure and method May. 10, 2011
7320922 Integrated circuit and method for manufacturing an integrated circuit on a semiconductor chip Jan. 22, 2008
6815272 Bottom gate-type thin-film transistor and method for manufacturing the same Nov. 9, 2004
6569730 High voltage transistor using P+ buried layer May. 27, 2003
6414371 Process and structure for 50+ gigahertz transistor Jul. 2, 2002
6326292 Semiconductor component and manufacturing method for semiconductor component Dec. 4, 2001
6326664 Transistor with ultra shallow tip and method of fabrication Dec. 4, 2001
5981323 Method and apparatus for protecting a device against voltage surges Nov. 9, 1999
5938839 Method for forming a semiconductor device Aug. 17, 1999
5914189 Protected thermal barrier coating composite with multiple coatings Jun. 22, 1999
5607867 Method of forming a controlled low collector breakdown voltage transistor for ESD protection circuits Mar. 4, 1997
5501992 Method of manufacturing bipolar transistor having ring-shaped emitter and base Mar. 26, 1996
5478760 Process for fabricating a vertical bipolar junction transistor Dec. 26, 1995
5434091 Method for making collector up bipolar transistors having reducing junction capacitance and increasing current gain Jul. 18, 1995
5399510 Method of fabricating a semiconductor device Mar. 21, 1995
5109263 Semiconductor device with optimal distance between emitter and trench isolation Apr. 28, 1992
5053346 Method for making a high speed gallium arsenide transistor Oct. 1, 1991
5047823 Circuit structure having a lateral bipolar transistor and its method of manufacture Sep. 10, 1991
4876212 Process for fabricating complimentary semiconductor devices having pedestal structures Oct. 24, 1989
4651410 Method of fabricating regions of a bipolar microwave integratable transistor Mar. 24, 1987
4619036 Self-aligned low-temperature emitter drive-in Oct. 28, 1986
4617071 Method of fabricating electrically connected regions of opposite conductivity type in a semiconductor structure Oct. 14, 1986
4571275 Method for minimizing autodoping during epitaxial deposition utilizing a graded pattern subcollector Feb. 18, 1986
4550491 Method of making substrate injection logic operator structure Nov. 5, 1985
4502201 Semiconductor integrated circuit device and fabrication method thereof Mar. 5, 1985
4488350 Method of making an integrated circuit bipolar memory cell Dec. 18, 1984
4260430 Method of manufacturing a semiconductor device Apr. 7, 1981
4199378 Method of manufacturing a semiconductor device and semiconductor device manufactured while using such a method Apr. 22, 1980
4183036 Schottky-transistor-logic Jan. 8, 1980
4160988 Integrated injection logic (I-squared L) with double-diffused type injector Jul. 10, 1979
4140559 Method of fabricating an improved substrate fed logic utilizing graded epitaxial deposition Feb. 20, 1979
4118251 Process for the production of a locally high, inverse, current amplification in a planar transistor Oct. 3, 1978
4111720 Method for forming a non-epitaxial bipolar integrated circuit Sep. 5, 1978
4082571 Process for suppressing parasitic components utilizing ion implantation prior to epitaxial deposition Apr. 4, 1978
4075039 Integrated logic circuit and method of fabrication Feb. 21, 1978
4045251 Process for producing an inversely operated transistor Aug. 30, 1977











 
 
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