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Class Information
Number: 438/331
Name: Semiconductor device manufacturing: process > Forming bipolar transistor by formation or alteration of semiconductive active regions > Including passive device (e.g., resistor, capacitor, etc.) > Resistor > Having same doping as emitter or collector
Description: Process wherein the resistor region has the same doping profile (i.e., is formed in the same step) as either the emitter or collector region of the bipolar transistor with which the resistor is combined.

Patents under this class:

Patent Number Title Of Patent Date Issued
8647955 Methods for forming electrostatic discharge protection clamps with increased current capabilities Feb. 11, 2014
8564096 Diffused integrated resistor Oct. 22, 2013
8390071 ESD protection with increased current capability Mar. 5, 2013
8178362 Electronically scannable multiplexing device May. 15, 2012
8177989 Copper conducting wire structure and fabricating method thereof May. 15, 2012
8110458 Fabrication of germanium nanowire transistors Feb. 7, 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
7939414 Ion implantation and process sequence to form smaller base pick-up May. 10, 2011
7915108 Method for fabricating a semiconductor device with a FinFET Mar. 29, 2011
7807539 Ion implantation and process sequence to form smaller base pick-up Oct. 5, 2010
7314786 Metal resistor, resistor material and method Jan. 1, 2008
7098113 Method and system for providing a power lateral PNP transistor using a buried power buss Aug. 29, 2006
7041566 Method for forming inductor in semiconductor device May. 9, 2006
6890826 Method of making bipolar transistor with integrated base contact and field plate May. 10, 2005
6867106 Semiconductor device and method for fabricating the same Mar. 15, 2005
6639300 Semiconductor integrated circuit having an integrated resistance region Oct. 28, 2003
6602755 Method for manufacturing a compact bipolar transistor structure Aug. 5, 2003
6524894 Semiconductor device for use in power-switching device and method of manufacturing the same Feb. 25, 2003
6511889 Reference voltage supply circuit having reduced dispersion of an output voltage Jan. 28, 2003
6421224 Micro-structure capacitor Jul. 16, 2002
6384433 Voltage variable resistor from HBT epitaxial layers May. 7, 2002
6077752 Method in the manufacturing of a semiconductor device Jun. 20, 2000
5854116 Semiconductor apparatus Dec. 29, 1998
5624854 Method of formation of bipolar transistor having reduced parasitic capacitance Apr. 29, 1997
5298440 Method of fabrication of transistor device with increased breakdown voltage Mar. 29, 1994
5139961 Reducing base resistance of a BJT by forming a self aligned silicide in the single crystal region of the extrinsic base Aug. 18, 1992
5116770 Method for fabricating bipolar semiconductor devices May. 26, 1992
5098854 Process for forming self-aligned silicide base contact for bipolar transistor Mar. 24, 1992
5057443 Method for fabricating a trench bipolar transistor Oct. 15, 1991
5045483 Self-aligned silicided base bipolar transistor and resistor and method of fabrication Sep. 3, 1991
4935375 Method of making a semiconductor device Jun. 19, 1990
4892839 Method of manufacturing a semiconductor device with polysilicon resistors and field plate Jan. 9, 1990
4888306 Method of manufacturing a bipolar transistor Dec. 19, 1989
4849344 Enhanced density modified isoplanar process Jul. 18, 1989
4567501 Resistor structure in integrated injection logic Jan. 28, 1986
4509250 Process for manufacturing a monolithic integrated circuit comprising at least one bipolar planar transistor Apr. 9, 1985
4411708 Method of making precision doped polysilicon vertical ballast resistors by multiple implantations Oct. 25, 1983
4316319 Method for making a high sheet resistance structure for high density integrated circuits Feb. 23, 1982
4260436 Fabrication of moat resistor ram cell utilizing polycrystalline deposition and etching Apr. 7, 1981
4228450 Buried high sheet resistance structure for high density integrated circuits with reach through contacts Oct. 14, 1980
4070748 Integrated circuit structure having semiconductor resistance regions Jan. 31, 1978
4057894 Controllably valued resistor Nov. 15, 1977
4021270 Double master mask process for integrated circuit manufacture May. 3, 1977
3959040 Compound diffused regions for emitter-coupled logic circuits May. 25, 1976

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