| |
 |
|
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 |
| 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 |
|
|
|
