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Class Information
Number: 257/563
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Integrated circuit structure with electrically isolated components > With multiple separately connected emitter, collector, or base regions in same transistor structure
Description: Subject matter wherein the device includes two or more separately connected (i.e., not commonly connected) emitter, collector, or base regions.

Sub-classes under this class:

Class Number Class Name Patents
257/564 Multiple base or collector regions 70

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8378456 Unified switch array for memory devices Feb. 19, 2013
8212291 Inverse mode SiGe HBT cascode device and fabrication method Jul. 3, 2012
7859082 Lateral bipolar transistor and method of production Dec. 28, 2010
7622790 Transistor assembly and method for manufacturing same Nov. 24, 2009
7605047 Method for the integration of two bipolar transistors in a semiconductor body, semiconductor arrangement in a semiconductor body, and cascode circuit Oct. 20, 2009
7576409 Group III-V compound semiconductor based heterojuncton bipolar transistors with various collector profiles on a common wafer Aug. 18, 2009
7492031 Semiconductor device Feb. 17, 2009
7456487 Semiconductor device Nov. 25, 2008
7414298 Super self-aligned collector device for mono-and hetero bipolar junction transistors, and method of making same Aug. 19, 2008
7355263 Semiconductor device and manufacturing method thereof Apr. 8, 2008
7323763 Semiconductor device having an improved voltage controlled oscillator Jan. 29, 2008
7262478 Semiconductor device and manufacturing method thereof Aug. 28, 2007
7239007 Bipolar transistor with divided base and emitter regions Jul. 3, 2007
7235860 Bipolar transistor including divided emitter structure Jun. 26, 2007
7067898 Semiconductor device having a self-aligned base contact and narrow emitter Jun. 27, 2006
6906410 Semiconductor device and method for manufacturing same Jun. 14, 2005
6870242 Method for manufacturing and structure of semiconductor device with polysilicon definition structure Mar. 22, 2005
6864538 Protection device against electrostatic discharges Mar. 8, 2005
6858917 Metal oxide semiconductor (MOS) bandgap voltage reference circuit Feb. 22, 2005
6798040 Power semiconductor switch Sep. 28, 2004
6787856 Low triggering N MOS transistor for electrostatic discharge protection device Sep. 7, 2004
6777781 Base-to-substrate leakage cancellation Aug. 17, 2004
6770953 Bipolar transistor Aug. 3, 2004
6703647 Triple base bipolar phototransistor Mar. 9, 2004
6703685 Super self-aligned collector device for mono-and hetero bipolar junction transistors Mar. 9, 2004
6674147 Semiconductor device having a bipolar transistor structure Jan. 6, 2004
6504184 Superior silicon carbide integrated circuits and method of fabricating Jan. 7, 2003
6424006 Semiconductor component Jul. 23, 2002
6323538 Bipolar transistor and method for fabricating the same Nov. 27, 2001
6316827 Semiconductor device having improved temperature distribution Nov. 13, 2001
6303973 Power transistor having large electric current capacity and semiconductor integrated circuit device using the same Oct. 16, 2001
6281530 LPNP utilizing base ballast resistor Aug. 28, 2001
6245609 High voltage transistor using P+ buried layer Jun. 12, 2001
6236072 Method and system for emitter partitioning for SiGe RF power transistors May. 22, 2001
6225679 Method and apparatus for protecting a device against voltage surges May. 1, 2001
6198154 PNP lateral bipolar electronic device Mar. 6, 2001
6087675 Semiconductor device with an insulation film having emitter contact windows filled with polysilicon film Jul. 11, 2000
6060761 Lateral type transistor May. 9, 2000
6060346 Semiconductor device and method for manufacturing the same May. 9, 2000
5986324 Heterojunction bipolar transistor Nov. 16, 1999
5850099 Thermally uniform transistor Dec. 15, 1998
5821148 Method of fabricating a segmented emitter low noise transistor Oct. 13, 1998
5773873 Semiconductor device having multi-emitter structure Jun. 30, 1998
5747837 Semiconductor device having input protective function May. 5, 1998
5736755 Vertical PNP power device with different ballastic resistant vertical PNP transistors Apr. 7, 1998
5723897 Segmented emitter low noise transistor Mar. 3, 1998
5689133 ESD protection circuit Nov. 18, 1997
5644159 Semiconductor device including a band gap reference power supply device Jul. 1, 1997
5581112 Lateral bipolar transistor having buried base contact Dec. 3, 1996
5554860 Resonant tunneling transistor noise generator Sep. 10, 1996

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