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Class Information
Number: 257/E21.685
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of devices consisting of plurality of solid-state components formed in or on common substrate or of parts thereof; manufacture of integrated circuit devices or of parts thereof (epo) > Manufacture or treatment of devices consisting of plurality of solid-state components or integrated circuits formed in, or on, common substrate (epo) > With subsequent division of substrate into plural individual devices (epo) > To produce devices each consisting of plurality of components, e.g., integrated circuits (epo) > Substrate being semiconductor, using silicon technology (epo) > Field-effect technology (epo) > Mis technology (epo) > Dynamic random access memory structures (dram) (epo) > Read-only memory structures (rom), i.e., nonvolatile memory structures (epo) > Electrically programmable (eprom), i.e., floating gate memory structures (epo) > With conductive layer as control gate (epo) > With source and drain on same level and without cell select transistor (epo) > Simultaneous fabrication of periphery and memory cells (epo) > Including one type of peripheral fet (epo) > Control gate layer used for peripheral fet (epo)
Description: This subclass is indented under subclass E21.684. This subclass is substantially the same in scope as ECLA classification H01L21/8247M2P1C.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8610193 Semiconductor constructions, NAND unit cells, methods of forming semiconductor constructions, and methods of forming NAND unit cells Dec. 17, 2013
8076713 Non-volatile memory devices having a multi-layered charge storage layer Dec. 13, 2011
8058132 Method of fabricating flash memory device Nov. 15, 2011
7998811 Semiconductor device and method for semiconductor device Aug. 16, 2011
7719046 Apparatus and method for trench transistor memory having different gate dielectric thickness May. 18, 2010
7605072 Interconnect structure with a barrier-redundancy feature Oct. 20, 2009
7582550 Semiconductor memory device and manufacturing method thereof Sep. 1, 2009
7553726 Method of fabricating nonvolatile memory device Jun. 30, 2009
7547603 Non-planar non-volatile memory cell with an erase gate, an array therefor, and a method of making same Jun. 16, 2009
7504294 Method of manufacturing an electrically erasable programmable read-only memory (EEPROM) Mar. 17, 2009
7425482 Non-volatile memory device and method for fabricating the same Sep. 16, 2008
7122430 Nonvolatile semiconductor memory and manufacturing method for the same Oct. 17, 2006
6998304 Method for integrated manufacturing of split gate flash memory with high voltage MOSFETS Feb. 14, 2006
6977200 Method of manufacturing split-gate memory Dec. 20, 2005
6977409 Flash memory having memory section and peripheral circuit section Dec. 20, 2005
6953973 Self-aligned trench isolation method and semiconductor device fabricated using the same Oct. 11, 2005
6943071 Integrated memory cell and method of fabrication Sep. 13, 2005
6930351 Semiconductor device with dummy gate electrode Aug. 16, 2005
6911701 Metal oxide semiconductor transistor Jun. 28, 2005
6906378 Non-volatile semiconductor memory device and method of fabricating the same Jun. 14, 2005
6849490 Semiconductor device having a memory cell region and a peripheral circuit region and method of manufacturing thereof Feb. 1, 2005
6841487 Method of manufacturing semiconductor device and flash memory Jan. 11, 2005
6841444 Nonvolatile semiconductor memory device and manufacturing method thereof Jan. 11, 2005
6818504 Processes and structures for self-aligned contact non-volatile memory with peripheral transistors easily modifiable for various technologies and applications Nov. 16, 2004
6812098 Method for manufacturing non-volatile memory device Nov. 2, 2004
6808992 Method and system for tailoring core and periphery cells in a nonvolatile memory Oct. 26, 2004
6759298 Methods of forming an array of flash field effect transistors and circuitry peripheral to such array Jul. 6, 2004
6740918 Semiconductor memory device May. 25, 2004
6667507 Flash memory having memory section and peripheral circuit section Dec. 23, 2003
6620690 Method of fabricating flash memory device using self-aligned non-exposure pattern formation process Sep. 16, 2003
6603171 Electronic devices with nonvolatile memory cells of reduced dimensions Aug. 5, 2003
6596608 Method of manufacturing non-volatile semiconductor memory device Jul. 22, 2003
6590254 Nonvolatile semiconductor memory device and method of manufacturing the same Jul. 8, 2003
6579763 Methods of forming an array of FLASH field effect transistors and circuitry peripheral to the array Jun. 17, 2003
6580117 Non-volatile semiconductor memory device and method of manufacturing the same Jun. 17, 2003
6534355 Method of manufacturing a flash memory having a select transistor Mar. 18, 2003
6518618 Integrated memory cell and method of fabrication Feb. 11, 2003
6509222 Process for manufacturing electronic devices comprising nonvolatile memory cells of reduced dimensions Jan. 21, 2003
6509232 Formation of STI (shallow trench isolation) structures within core and periphery areas of flash memory device Jan. 21, 2003
6483749 Nonvolatile memory device having bulk bias contact structure in cell array region Nov. 19, 2002
6476438 Nonvolatile semiconductor memory device and method of manufacturing the same Nov. 5, 2002
6458655 Method of manufacturing semiconductor device and flash memory Oct. 1, 2002
6455373 Semiconductor device having gate edges protected from charge gain/loss Sep. 24, 2002
6436778 Re-oxidation approach to improve peripheral gate oxide integrity in a tunnel nitride oxidation process Aug. 20, 2002
6392269 Non-volatile semiconductor memory and manufacturing method thereof May. 21, 2002
6365457 Method for manufacturing nonvolatile memory device using self-aligned source process Apr. 2, 2002
6344386 Method for fabricating semiconductor device including memory cell region and CMOS logic region Feb. 5, 2002
6331724 Single transistor E2prom memory device with controlled erasing Dec. 18, 2001
6287907 Method of manufacturing a flash memory having a select transistor Sep. 11, 2001
6265292 Method of fabrication of a novel flash integrated circuit Jul. 24, 2001

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