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Class Information
Number: 257/394
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 > With means to prevent parasitic conduction channels
Description: Subject matter wherein the device includes means to prevent the formation of unwanted parasitic field effect transistor elements.


Sub-classes under this class:

Class Number Class Name Patents
257/395 Thick insulator portion 123
257/400 With heavily doped channel stop portion 92


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7595534 Layers in substrate wafers Sep. 29, 2009
7563699 Semiconductor devices having line type active regions and methods of fabricating the same Jul. 21, 2009
7541627 Method and apparatus for improving sensitivity in vertical color CMOS image sensors Jun. 2, 2009
7511330 Semiconductor device and method of fabricating the same Mar. 31, 2009
7495296 Semiconductor integrated circuit device Feb. 24, 2009
7420260 Power semiconductor device for suppressing substrate recirculation current and method of fabricating power semiconductor device Sep. 2, 2008
7329926 Semiconductor device with constricted current passage Feb. 12, 2008
7271453 Buried biasing wells in FETS Sep. 18, 2007
7180142 Semiconductor device Feb. 20, 2007
7176527 Semiconductor device and method of fabricating same Feb. 13, 2007
7105901 Semiconductor device Sep. 12, 2006
7009255 Semiconductor device having punch-through structure off-setting the edge of the gate electrodes Mar. 7, 2006
6995450 Semiconductor device with a frequency selective guard ring Feb. 7, 2006
6982461 Lateral FET structure with improved blocking voltage and on resistance performance and method Jan. 3, 2006
6975018 Semiconductor device Dec. 13, 2005
6927451 Termination for trench MIS device having implanted drain-drift region Aug. 9, 2005
6917076 Semiconductor device, a method of manufacturing the semiconductor device and a method of deleting information from the semiconductor device Jul. 12, 2005
6897526 Semiconductor device and process for producing the same May. 24, 2005
6894346 Semiconductor device May. 17, 2005
6882025 Strained-channel transistor and methods of manufacture Apr. 19, 2005
6872991 Low gate-leakage virtual rail circuit Mar. 29, 2005
6872990 Layout method of semiconductor device Mar. 29, 2005
6849905 Semiconductor device with localized charge storage dielectric and method of making same Feb. 1, 2005
6847058 Semiconductor device Jan. 25, 2005
6822300 Semiconductor memory device Nov. 23, 2004
6821857 High on-current device for high performance embedded DRAM (eDRAM) and method of forming the same Nov. 23, 2004
6815777 Semiconductor device, memory system and electronic apparatus Nov. 9, 2004
6806123 Methods of forming isolation regions associated with semiconductor constructions Oct. 19, 2004
6806522 CMOS image sensor and manufacturing method for the same Oct. 19, 2004
6787862 Gas insulated gate field effect transistor Sep. 7, 2004
6737713 Substrate connection in an integrated power circuit May. 18, 2004
6713820 Semiconductor device Mar. 30, 2004
6709926 High performance logic and high density embedded dram with borderless contact and antispacer Mar. 23, 2004
6707104 Lateral high-breakdown-voltage transistor Mar. 16, 2004
6686635 Four transistors static-random-access-memory Feb. 3, 2004
6686634 Semiconductor device and a method of producing the same Feb. 3, 2004
6677651 Semiconductor device and method for manufacturing the same Jan. 13, 2004
6642582 Circuit structure with a parasitic transistor having high threshold voltage Nov. 4, 2003
6624495 Adjustable threshold isolation transistor Sep. 23, 2003
6621116 Enhanced EPROM structures with accentuated hot electron generation regions Sep. 16, 2003
6611023 Field effect transistor with self alligned double gate and method of forming same Aug. 26, 2003
6611009 Cross-coupled transistor pair Aug. 26, 2003
6573560 Trench MOSFET with reduced Miller capacitance Jun. 3, 2003
6563159 Substrate of semiconductor integrated circuit May. 13, 2003
6563178 Semiconductor device and method for fabricating the device May. 13, 2003
6563181 High frequency signal isolation in a semiconductor device May. 13, 2003
6531750 Shallow junction transistors which eliminating shorts due to junction spiking Mar. 11, 2003
6518628 Integrated CMOS circuit configuration, and production of same Feb. 11, 2003
6512251 Semiconductor switching element that blocks in both directions Jan. 28, 2003
6489657 Semiconductor device with improved channel stopper Dec. 3, 2002

1 2 3 4


 
 
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