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Class Information
Number: 257/903
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Fet configuration adapted for use as static memory cell
Description: Subject matter wherein a field effect transistor is structurally arranged to be used in a static memory element (i.e., one in which information need not be periodically refreshed).


Sub-classes under this class:

Class Number Class Name Patents
257/904 With passive components, (e.g., polysilicon resistors) 286


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
7605447 Highly manufacturable SRAM cells in substrates with hybrid crystal orientation Oct. 20, 2009
7598542 SRAM devices and methods of fabricating the same Oct. 6, 2009
7598544 Hybrid carbon nanotude FET(CNFET)-FET static RAM (SRAM) and method of making same Oct. 6, 2009
7598574 Semiconductor device including a SRAM section and a logic circuit section Oct. 6, 2009
7592625 Semiconductor transistor with multi-level transistor structure and method of fabricating the same Sep. 22, 2009
7589993 Semiconductor memory device with memory cells operated by boosted voltage Sep. 15, 2009
7572684 Nonvolatile memory devices and methods of forming the same Aug. 11, 2009
7564134 Circuit wiring layout in semiconductor memory device and layout method Jul. 21, 2009
7554163 Semiconductor device Jun. 30, 2009
7547947 SRAM cell Jun. 16, 2009
7541655 Semiconductor device and wiring method for semiconductor device Jun. 2, 2009
7525163 Semiconductor device, design method and structure Apr. 28, 2009
7521764 One-time programmable memory device Apr. 21, 2009
7521715 Node contact structures in semiconductor devices Apr. 21, 2009
7508692 Semiconductor memory device and semiconductor device group Mar. 24, 2009
7498637 Semiconductor memory Mar. 3, 2009
7485934 Integrated semiconductor structure for SRAM cells Feb. 3, 2009
7486543 Asymmetrical SRAM device and method of manufacturing the same Feb. 3, 2009
7482657 Balanced cells with fabrication mismatches that produce a unique number generator Jan. 27, 2009
7476944 Static random access memories including a silicon-on-insulator substrate Jan. 13, 2009
7471548 Structure of static random access memory with stress engineering for stability Dec. 30, 2008
RE40579 Structure for transistor devices in an SRAM cell Nov. 25, 2008
7453126 Semiconductor memory device having layout area reduced Nov. 18, 2008
7436078 Line layout structure of semiconductor memory device Oct. 14, 2008
7432562 SRAM devices, and electronic systems comprising SRAM devices Oct. 7, 2008
7425744 Fabricating logic and memory elements using multiple gate layers Sep. 16, 2008
7411256 Semiconductor integrated circuit device capacitive node interconnect Aug. 12, 2008
7405447 Silicon rich barrier layers for integrated circuit devices Jul. 29, 2008
7397693 Semiconductor memory device with memory cells operated by boosted voltage Jul. 8, 2008
7397691 Static random access memory cell with improved stability Jul. 8, 2008
7388267 Selective stress engineering for SRAM stability improvement Jun. 17, 2008
7382026 Semiconductor memory device and method of manufacturing the same Jun. 3, 2008
7361960 Semiconductor device and method of manufacturing the same Apr. 22, 2008
7361961 Method and apparatus with varying gate oxide thickness Apr. 22, 2008
7358556 SRAM cell structure and manufacturing method thereof Apr. 15, 2008
7358575 Method of fabricating SRAM device Apr. 15, 2008
7355880 Soft error resistant memory cell and method of manufacture Apr. 8, 2008
7348640 Memory device Mar. 25, 2008
7348658 Multilayer silicon over insulator device Mar. 25, 2008
7332780 Inverter, semiconductor logic circuit, static random access memory and data latch circuit Feb. 19, 2008
7333380 SRAM memory device with flash clear and corresponding flash clear method Feb. 19, 2008
7309890 SRAM cell structure and manufacturing method thereof Dec. 18, 2007
7304352 Alignment insensitive D-cache cell Dec. 4, 2007
7294889 Semiconductor device having a well structure for improving soft error rate immunity and latch-up immunity and a method of making such a device Nov. 13, 2007
7291889 Basic cells configurable into different types of semiconductor integrated circuits Nov. 6, 2007
7285832 Multiport single transistor bit cell Oct. 23, 2007
7286389 Low-power, p-channel enhancement-type metal-oxide semiconductor field-effect transistor (PMOSFET) SRAM cells Oct. 23, 2007
7279755 SRAM cell with improved layout designs Oct. 9, 2007
7271451 Memory cell structure Sep. 18, 2007
7271454 Semiconductor memory device and method of manufacturing the same Sep. 18, 2007

1 2 3 4 5 6 7 8 9 10 11 12 13


 
 
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