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Class Information
Number: 257/566
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Bipolar transistor structure > Plural non-isolated transistor structures in same structure
Description: Subject matter wherein the bipolar structure includes more than one bipolar transistor in a structure without electrical isolation between transistors.

Sub-classes under this class:

Class Number Class Name Patents
257/574 Complementary transistors share common active region (e.g., integrated injection logic, i 2 l) 95
257/567 Darlington configuration (i.e., emitter to collector current of input transistor supplied to base region of output transistor) 57

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8710627 Uni-directional transient voltage suppressor (TVS) Apr. 29, 2014
8669639 Semiconductor element, manufacturing method thereof and operating method thereof Mar. 11, 2014
8664080 Vertical ESD protection device Mar. 4, 2014
8598008 Stacked ESD clamp with reduced variation in clamp voltage Dec. 3, 2013
8581365 Bipolar junction transistor with layout controlled base and associated methods of manufacturing Nov. 12, 2013
8390096 Adjustable holding voltage ESD protection device Mar. 5, 2013
8390097 Insulated gate bipolar transistor having contact region with variable width Mar. 5, 2013
8330252 Integrated circuit device and method for the production thereof Dec. 11, 2012
8319314 Semiconductor device Nov. 27, 2012
8263469 Methods of forming a bipolar transistor Sep. 11, 2012
8227836 Semiconductor device and radio communication device Jul. 24, 2012
8217496 Internal matching transistor Jul. 10, 2012
8212291 Inverse mode SiGe HBT cascode device and fabrication method Jul. 3, 2012
8129820 Semiconductor device Mar. 6, 2012
8058704 Bipolar transistor Nov. 15, 2011
7968417 Method for integrating high voltage and high speed bipolar transistors on a substrate and related structure Jun. 28, 2011
7932582 Compact dual direction BJT clamps Apr. 26, 2011
7902633 Longitudinal bipolar transistor with base region in trenches having emitter and collector regions disposed along portions of side surfaces of the base Mar. 8, 2011
7875904 Protection circuit Jan. 25, 2011
7868387 Low leakage protection device Jan. 11, 2011
7800093 Resistive memory including buried word lines Sep. 21, 2010
7741700 Transistor with heat dissipating means Jun. 22, 2010
7714389 Semiconductor device having two bipolar transistors constituting electrostatic protective element May. 11, 2010
7642621 Semicondutor device and protection circuit Jan. 5, 2010
7622756 Semiconductor device and radio communication device Nov. 24, 2009
7587193 Signal transmission arrangement having a transformer and a receiver circuit Sep. 8, 2009
7576409 Group III-V compound semiconductor based heterojuncton bipolar transistors with various collector profiles on a common wafer Aug. 18, 2009
7495312 Method for producing vertical bipolar transistors and integrated circuit Feb. 24, 2009
7470968 T-coil apparatus and method for compensating capacitance Dec. 30, 2008
7456487 Semiconductor device Nov. 25, 2008
RE40222 Electronic semiconductor power device with integrated diode Apr. 8, 2008
7352051 Cascode, cascode circuit and method for vertical integration of two bipolar transistors into a cascode arrangement Apr. 1, 2008
7303968 Semiconductor device and method having multiple subcollectors formed on a common wafer Dec. 4, 2007
7253498 Bipolar transistor with geometry optimized for device performance, and method of making same Aug. 7, 2007
7217975 Lateral type semiconductor device May. 15, 2007
7215005 Bipolar ESD protection structure May. 8, 2007
7126171 Bipolar transistor Oct. 24, 2006
7126167 Monolithically integrated resistive structure with power IGBT (insulated gate bipolar transistor) devices Oct. 24, 2006
7084484 Semiconductor integrated circuit Aug. 1, 2006
7075168 Semiconductor device Jul. 11, 2006
7071516 Semiconductor device and driving circuit for semiconductor device Jul. 4, 2006
7067857 Semiconductor device having led out conductor layers, manufacturing method of the same, and semiconductor module Jun. 27, 2006
7064416 Semiconductor device and method having multiple subcollectors formed on a common wafer Jun. 20, 2006
6989580 Process for manufacturing an array of cells including selection bipolar junction transistors Jan. 24, 2006
6987301 Electrostatic discharge protection Jan. 17, 2006
6977426 Semiconductor device including high speed transistors and high voltage transistors disposed on a single substrate Dec. 20, 2005
6900519 Diffused extrinsic base and method for fabrication May. 31, 2005
6881976 Heterojunction BiCMOS semiconductor Apr. 19, 2005
6876060 Complimentary bipolar transistor Apr. 5, 2005
6815801 Vertical bipolar transistor and a method of manufacture therefor including two epitaxial layers and a buried layer Nov. 9, 2004

1 2 3 4

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