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Class Information
Number: 257/568
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Bipolar transistor structure > Plural non-isolated transistor structures in same structure > Darlington configuration (i.e., emitter to collector current of input transistor supplied to base region of output transistor) > More than two darlington-connected transistors
Description: Subject matter wherein the device contains more than two Darlington-connected bipolar transistors.










Patents under this class:

Patent Number Title Of Patent Date Issued
7800428 Semiconductor device and method for controlling a semiconductor device Sep. 21, 2010
7273788 Ultra-thin semiconductors bonded on glass substrates Sep. 25, 2007
7061074 Visible imaging device using Darlington phototransistors Jun. 13, 2006
7045877 Semiconductor protection device May. 16, 2006
6969904 Trimming pattern Nov. 29, 2005
6794730 High performance PNP bipolar device fully compatible with CMOS process Sep. 21, 2004
5969399 High gain current mode photo-sensor Oct. 19, 1999
5804861 Electrostatic discharge protection in integrated circuits, systems and methods Sep. 8, 1998
5789799 High frequency noise and impedance matched integrated circuits Aug. 4, 1998
5698887 Semiconductor protection circuit Dec. 16, 1997
5629545 Electrostatic discharge protection in integrated circuits, systems and methods May. 13, 1997
5481132 Transistor with a predetermined current gain in a bipolar integrated circuit Jan. 2, 1996
5406112 Semiconductor device having a buried well and a crystal layer with similar impurity concentration Apr. 11, 1995
5401995 Circuit with diode-protected emitter resistors Mar. 28, 1995
5397913 Biopolar/Darlington transistor having enhanced comprehensive electricity characteristics Mar. 14, 1995
4945396 Semiconductor device having Darlington transistors Jul. 31, 1990
4827322 Power transistor May. 2, 1989
4769560 Semiconductor device having darlington-connected transistor circuit Sep. 6, 1988
4710793 Voltage comparator with hysteresis Dec. 1, 1987
4646125 Semiconductor device including Darlington connections Feb. 24, 1987
4564855 High current PNP transistor forming part of an integrated monolithic circuit Jan. 14, 1986
4542399 Feed forward Darlington circuit Sep. 17, 1985
4297597 Darlington-connected semiconductor device Oct. 27, 1981
4122482 Vertical complementary bipolar transistor device with epitaxial base zones Oct. 24, 1978
4035828 Semiconductor integrated circuit device Jul. 12, 1977
3952258 Parellel-connection of semiconductor systems with an arrangement for preventing thermal instability Apr. 20, 1976











 
 
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