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Class Information
Number: 257/901
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Mosfet substrate bias
Description: Subject matter wherein an electrical bias is applied between the substrate and the source electrode of a metal oxide field effect transistor.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8395163 Semiconductor device Mar. 12, 2013
8274095 Semiconductor device Sep. 25, 2012
8222681 Bipolar semiconductor device and manufacturing method Jul. 17, 2012
8183666 Semiconductor device including semiconductor zones and manufacturing method May. 22, 2012
8138074 ICs with end gates having adjacent electrically connected field poly Mar. 20, 2012
8134189 Semiconductor device and method of manufacturing the same Mar. 13, 2012
8129794 Semiconductor device including MISFETs having different threshold voltages Mar. 6, 2012
8125023 Vertical type power semiconductor device having a super junction structure Feb. 28, 2012
8120074 Bipolar semiconductor device and manufacturing method Feb. 21, 2012
8017974 Semiconductor device with increased withstand voltage Sep. 13, 2011
7943467 Structure and method to fabricate MOSFET with short gate May. 17, 2011
7797660 Semiconductor integrated circuit for controlling substrate bias Sep. 14, 2010
7705350 Fractional biasing of semiconductors Apr. 27, 2010
7560757 Semiconductor device with a structure suitable for miniaturization Jul. 14, 2009
7557395 Trench MOSFET technology for DC-DC converter applications Jul. 7, 2009
7342291 Standby current reduction over a process window with a trimmable well bias Mar. 11, 2008
7333380 SRAM memory device with flash clear and corresponding flash clear method Feb. 19, 2008
7109558 Power MOS transistor having capability for setting substrate potential independently of source potential Sep. 19, 2006
6885054 Threshold voltage stabilizer, method of manufacturing and integrated circuit employing the same Apr. 26, 2005
6867494 Semiconductor module Mar. 15, 2005
6864539 Semiconductor integrated circuit device having body biasing circuit for generating forward well bias voltage of suitable level by using simple circuitry Mar. 8, 2005
6849909 Method and apparatus for weak inversion mode MOS decoupling capacitor Feb. 1, 2005
6809425 Integrated circuit with a reprogrammable nonvolatile switch having a dynamic threshold voltage (VTH) for selectively connecting a source for a signal to a circuit Oct. 26, 2004
6794720 Dynamic threshold voltage metal insulator field effect transistor Sep. 21, 2004
6713804 TFT with a negative substrate bias that decreases in time Mar. 30, 2004
6693328 Semiconductor device formed in a semiconductor layer provided on an insulating film Feb. 17, 2004
6465823 Dynamic threshold voltage metal insulator semiconductor effect transistor Oct. 15, 2002
6465852 Silicon wafer including both bulk and SOI regions and method for forming same on a bulk silicon wafer Oct. 15, 2002
6404050 Commonly housed diverse semiconductor Jun. 11, 2002
6398185 Water flow timer Jun. 4, 2002
6344671 Pair of FETs including a shared SOI body contact and the method of forming the FETs Feb. 5, 2002
6297533 LDMOS structure with via grounded source Oct. 2, 2001
6297552 Commonly housed diverse semiconductor die Oct. 2, 2001
6194776 Semiconductor circuit device having triple-well structure in semiconductor substrate, method of fabricating the same, and mask device for fabrication of the same Feb. 27, 2001
6153914 Output circuit for integrated circuits Nov. 28, 2000
6133632 Commonly housed diverse semiconductor die Oct. 17, 2000
6100563 Semiconductor device formed on SOI substrate Aug. 8, 2000
6043522 Field effect transistor array including doped two-cell isolation region for preventing latchup Mar. 28, 2000
6025621 Integrated circuit memory devices having independently biased sub-well regions therein and methods of forming same Feb. 15, 2000
5945712 Semiconductor device having a SOI structure with substrate bias formed through the insulator and in contact with one of the active diffusion layers Aug. 31, 1999
5942781 Tunable threshold SOI device using back gate well Aug. 24, 1999
5861652 Method and apparatus for protecting functions imbedded within an integrated circuit from reverse engineering Jan. 19, 1999
5844285 Body contact structure for semiconductor device Dec. 1, 1998
5838047 CMOS substrate biasing for threshold voltage control Nov. 17, 1998
5834813 Field-effect transistor for one-time programmable nonvolatile memory element Nov. 10, 1998
5818099 MOS high frequency switch circuit using a variable well bias Oct. 6, 1998
5814899 SOI-type semiconductor device with variable threshold voltages Sep. 29, 1998
5814884 Commonly housed diverse semiconductor die Sep. 29, 1998
5808327 AC controller Sep. 15, 1998
5712509 Semiconductor integrated circuit interconnection structures Jan. 27, 1998

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