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Class Information
Number: 257/541
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Integrated circuit structure with electrically isolated components > Passive components in ics > Including resistive element > Combined with bipolar transistor > Pinch resistor
Description: Subject matter wherein the resistor element has a structure in the form of a layer of one conductivity type sandwiched between a pair of regions of opposite conductivity type, so that the upper region of opposite conductivity type restricts the thickness of the resistive layer and thus increases its resistivity.

Patents under this class:

Patent Number Title Of Patent Date Issued
7989232 Method of using electrical test structure for semiconductor trench depth monitor Aug. 2, 2011
7884442 Integrated circuit resistor Feb. 8, 2011
7656009 Robust ESD cell Feb. 2, 2010
7602044 Semiconductor device having polycrystalline silicon resistors Oct. 13, 2009
7319254 Semiconductor memory device having resistor and method of fabricating the same Jan. 15, 2008
7208814 Resistive device and method for its production Apr. 24, 2007
7136299 High-density phase change cell array and phase change memory device having the same Nov. 14, 2006
6849921 Semiconductor device Feb. 1, 2005
6753578 Resin-sealed semiconductor device Jun. 22, 2004
6703283 Discontinuous dielectric interface for bipolar transistors Mar. 9, 2004
6696916 Integrated vertical resistor structure with reduced dimensions, for high voltage, and manufacturing process thereof Feb. 24, 2004
6667538 Semiconductor device having semiconductor resistance element and fabrication method thereof Dec. 23, 2003
6612019 Integrated circuit inductors Sep. 2, 2003
6611042 Semiconductor device including resistors isolated and equdistant from diffusion regions Aug. 26, 2003
6531745 Electro static discharge protection n-well ballast resistor device Mar. 11, 2003
6479882 Current-limiting device Nov. 12, 2002
6441460 Largely voltage-independent electrical resistor formed in an integrated semiconductor circuit Aug. 27, 2002
6331726 SOI voltage dependent negative-saturation-resistance resistor ballasting element for ESD protection of receivers and driver circuitry Dec. 18, 2001
6255700 CMOS semiconductor device Jul. 3, 2001
6111304 Semiconductor diffused resistor and method for manufacturing the same Aug. 29, 2000
6107671 Film device provided with a resistance-adjustable resistive element Aug. 22, 2000
6104277 Polysilicon defined diffused resistor Aug. 15, 2000
5448092 Insulated gate bipolar transistor with current detection function Sep. 5, 1995
5432375 Thermistor intended primarily for temperature measurement Jul. 11, 1995
5210439 Power transistor monolithic integrated structure May. 11, 1993
4827322 Power transistor May. 2, 1989
4725876 Semiconductor device having at least two resistors with high resistance values Feb. 16, 1988
4686557 Semiconductor element and method for producing the same Aug. 11, 1987
4510517 Electronically controlled variable semiconductor resistor Apr. 9, 1985
4500900 Emitter ballast resistor configuration Feb. 19, 1985
4463370 Semiconductor device for use in memory cells Jul. 31, 1984
4398206 Transistor with integrated diode and resistor Aug. 9, 1983
4302691 Integrated delay circuit with PN-junction capacitor Nov. 24, 1981
4258380 Bipolar transistor having an integrated resistive emitter zone Mar. 24, 1981
4258311 Constant voltage generator for generating a constant voltage having a predetermined temperature coefficient Mar. 24, 1981
4136355 Darlington transistor Jan. 23, 1979
4100565 Monolithic resistor for compensating beta of a lateral transistor Jul. 11, 1978
4053923 Integrated logic elements with improved speed-power characteristics Oct. 11, 1977
4035827 Thermally ballasted semiconductor device Jul. 12, 1977
4035784 Asymmetrical memory cell arrangement Jul. 12, 1977
3979612 V-groove isolated integrated circuit memory with integral pinched resistors Sep. 7, 1976
3971060 TTL coupling transistor Jul. 20, 1976
3959040 Compound diffused regions for emitter-coupled logic circuits May. 25, 1976
3947298 Method of forming junction regions utilizing R.F. sputtering Mar. 30, 1976
3936813 Bipolar memory cell employing inverted transistors and pinched base resistors Feb. 3, 1976

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