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Class Information
Number: 257/371
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device > Having insulated electrode (e.g., mosfet, mos diode) > Insulated gate field effect transistor in integrated circuit > Complementary insulated gate field effect transistors > Complementary transistors in wells of opposite conductivity types more heavily doped than the substrate region in which they are formed, e.g., twin wells
Description: Subject matter wherein the complementary IGFETs are located in wells of semiconductor material with electrical conductivity opposite to that of the respective transistors and wherein the wells contain a higher concentration of dopant ions than the semiconductor substrate in which they are located (e.g., twin wells).

Patents under this class:
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Patent Number Title Of Patent Date Issued
8710571 Polarity switching member of dot inversion system Apr. 29, 2014
8704296 Trench junction field-effect transistor Apr. 22, 2014
8704300 Semiconductor device and fabricating method thereof Apr. 22, 2014
8704311 Semiconductor device having epitaxial semiconductor layer above impurity layer Apr. 22, 2014
8664727 Semiconductor integrated circuit device Mar. 4, 2014
8659081 Transistor with reduced channel length variation Feb. 25, 2014
8643135 Edge termination configurations for high voltage semiconductor power devices Feb. 4, 2014
8643113 Structure and method for metal gate stack oxygen concentration control using an oxygen diffusion barrier layer and a sacrificial oxygen gettering layer Feb. 4, 2014
8633548 Non-volatile programmable memory cell and array for programmable logic array Jan. 21, 2014
8633547 Structure for spanning gap in body-bias voltage routing structure Jan. 21, 2014
8629506 Replacement gate CMOS Jan. 14, 2014
8610209 Ultra-high voltage N-type-metal-oxide-semiconductor (UHV NMOS) device and methods of manufacturing the same Dec. 17, 2013
8610220 Semiconductor device with self-aligned interconnects Dec. 17, 2013
8604552 Semiconductor device and method for fabricating semiconductor device Dec. 10, 2013
8592915 Doped oxide for shallow trench isolation (STI) Nov. 26, 2013
8563377 Trench-based power semiconductor devices with increased breakdown voltage characteristics Oct. 22, 2013
8558318 Integration scheme for changing crystal orientation in hybrid orientation technology (HOT) using direct silicon bonded (DSB) substrates Oct. 15, 2013
8557653 Junction-field-effect-transistor devices and methods of manufacturing the same Oct. 15, 2013
8559230 Row decoder and non-volatile memory device Oct. 15, 2013
8552506 Semiconductor device and method of manufacturing the same Oct. 8, 2013
8546920 Semiconductor-on-insulator (SOI) structures including gradient nitrided buried oxide (BOX) Oct. 1, 2013
8536634 Memory device transistors Sep. 17, 2013
8536654 Structure and method for dual work function metal gate CMOS with selective capping Sep. 17, 2013
8519483 Semiconductor device having a high resistance to ionizing radiation Aug. 27, 2013
8513122 Method and structure for differential silicide and recessed or raised source/drain to improve field effect transistor Aug. 20, 2013
RE44430 PMOS depletable drain extension made from NMOS dual depletable drain extensions Aug. 13, 2013
8507993 Buried layer of an integrated circuit Aug. 13, 2013
8507998 Semiconductor device Aug. 13, 2013
8492849 High side semiconductor structure Jul. 23, 2013
8487383 Flash memory device having triple well structure Jul. 16, 2013
8476706 CMOS having a SiC/SiGe alloy stack Jul. 2, 2013
8466518 Semiconductor device and semiconductor device manufacturing method Jun. 18, 2013
8461624 Monolithic three terminal photodetector Jun. 11, 2013
8456910 Nonvolatile memory cell with well extending under transistor and data storage capacitor of memory cell Jun. 4, 2013
8445943 Semiconductor integrated circuit device May. 21, 2013
8441070 Semiconductor device and method of manufacturing semiconductor device May. 14, 2013
8431955 Method and structure for balancing power and performance using fluorine and nitrogen doped substrates Apr. 30, 2013
8426891 Semiconductor device and method of fabricating the same Apr. 23, 2013
8420472 Systems and methods for integrated circuits comprising multiple body biasing domains Apr. 16, 2013
8415747 Semiconductor device including diode Apr. 9, 2013
8399934 Transistor device Mar. 19, 2013
8399932 Semiconductor device, semiconductor integrated circuit, SRAM, and method for producing Dt-MOS transistor Mar. 19, 2013
8384163 Layout design tool for semiconductor integrated circuit Feb. 26, 2013
8372704 Semiconductor integrated device and manufacturing method for the same Feb. 12, 2013
8373154 Strained transistor integration for CMOS Feb. 12, 2013
RE43922 Balanced cells with fabrication mismatches that produce a unique number generator Jan. 15, 2013
8354722 SCR/MOS clamp for ESD protection of integrated circuits Jan. 15, 2013
8350304 Junction-field-effect-transistor devices and methods of manufacturing the same Jan. 8, 2013
8338831 Semiconductor device and manufacturing method thereof Dec. 25, 2012
8334160 Semiconductor photovoltaic devices and methods of manufacturing the same Dec. 18, 2012

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