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Class Information
Number: 257/271
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device > Junction field effect transistor (unipolar transistor) > Load element or constant current source (e.g., with source to gate connection)
Description: Subject matter structured to function as an electrical load element or a source of constant current, e.g., with a source to gate electrical connection.

Patents under this class:

Patent Number Title Of Patent Date Issued
8604525 Transistor structure with feed-through source-to-substrate contact Dec. 10, 2013
7728387 Semiconductor device with high on current and low leakage Jun. 1, 2010
7573016 Amplification type solid-state imaging device Aug. 11, 2009
7102182 Semiconductor device Sep. 5, 2006
7012290 Electro-optical device Mar. 14, 2006
6958519 Methods of forming field effect transistors and field effect transistor circuitry Oct. 25, 2005
6838735 Trench FET with non overlapping poly and remote contact therefor Jan. 4, 2005
6476428 Field effect transistor, control method for controlling such a field effect transistor and a frequency mixer means including such a field effect transistor Nov. 5, 2002
6433370 Method and apparatus for cylindrical semiconductor diodes Aug. 13, 2002
6307238 Methods of forming field effect transistors and field effect transistor circuitry Oct. 23, 2001
6121665 Methods of forming field effect transistors and field effect transistor circuitry Sep. 19, 2000
5894163 Device and method for multiplying capacitance Apr. 13, 1999
5459343 Back gate FET microwave switch Oct. 17, 1995
5324978 Semiconductor device having an improved breakdown voltage-raising structure Jun. 28, 1994
5319236 Semiconductor device equipped with a high-voltage MISFET Jun. 7, 1994
5223725 Charge transfer device equipped with junction type output transistor improved in sensitivity to charge packet Jun. 29, 1993
5121174 Gate-to-ohmic metal contact scheme for III-V devices Jun. 9, 1992
4921814 Method of producing an MMIC May. 1, 1990
4920395 High sensitivity photodiode Apr. 24, 1990
4864454 Means for reducing damage to JFETs from electrostatic discharge events Sep. 5, 1989
4853561 Family of noise-immune logic gates and memory cells Aug. 1, 1989
4814835 Active load type of current source and method of making it Mar. 21, 1989
4737837 Ring topology for an integrated circuit logic cell Apr. 12, 1988
4701646 Direct coupled FET logic using a photodiode for biasing or level-shifting Oct. 20, 1987
4628338 Semiconductor device Dec. 9, 1986
4454523 High voltage field effect transistor Jun. 12, 1984
4266233 I-C Wafer incorporating junction-type field-effect transistor May. 5, 1981
4263518 Arrangement for correcting the voltage coefficient of resistance of resistors integral with a semiconductor body Apr. 21, 1981
4201997 MESFET semiconductor device and method of making May. 6, 1980
4202003 MESFET Semiconductor device and method of making May. 6, 1980
4175240 Integrated logic circuit with a current source made as a field-effect transistor Nov. 20, 1979
4164668 Method of correcting the voltage coefficient of resistors implanted or diffused in a semiconductor substrate Aug. 14, 1979
4163988 Split gate V groove FET Aug. 7, 1979
4053915 Temperature compensated constant current source device Oct. 11, 1977
4048647 Solid state disconnect device Sep. 13, 1977
3953879 Current-limiting field effect device Apr. 27, 1976

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