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Class Information
Number: 257/E21.423
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 semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Multi-step process for the manufacture of unipolar device (epo) > Field-effect transistor (epo) > With an insulated gate (epo) > With charge trapping gate insulator, e.g., mnos transistor (epo)
Description: This subclass is indented under subclass E21.409. This subclass is substantially the same in scope as ECLA classification H01L21/336G.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8710579 SONOS stack with split nitride memory layer Apr. 29, 2014
8710578 SONOS stack with split nitride memory layer Apr. 29, 2014
8705274 Three-dimensional multi-bit non-volatile memory and method for manufacturing the same Apr. 22, 2014
8692312 Semiconductor memory device and method of manufacturing the same Apr. 8, 2014
8685810 Power layout for integrated circuits Apr. 1, 2014
8679920 Semiconductor devices having stacked structures and a layer formed thereon tapered in direction opposite of a tapering of the stacked structures and methods of fabricating the same Mar. 25, 2014
8674429 Gate structure in non-volatile memory device Mar. 18, 2014
8669606 Semiconductor device and method for manufacturing thereof Mar. 11, 2014
8669161 Fabricating method of mirror bit memory device having split ONO film with top oxide film formed by oxidation process Mar. 11, 2014
8633080 Methods of making multi-state non-volatile memory cells Jan. 21, 2014
8629025 Semiconductor device and method for fabricating semiconductor device Jan. 14, 2014
8610199 Fabricating method of mirror bit memory device having split ONO film with top oxide film formed by oxidation process Dec. 17, 2013
8603878 Vertical-type semiconductor devices and methods of manufacturing the same Dec. 10, 2013
8598001 Method for manufacturing twin bit structure cell with hafnium oxide and nano-crystalline silicon layer Dec. 3, 2013
8592275 Semiconductor device and production method thereof Nov. 26, 2013
8575682 Three dimensional semiconductor memory devices and methods of forming the same Nov. 5, 2013
8546867 Non-volatile memory semiconductor device Oct. 1, 2013
8546862 Memory cell, an array, and a method for manufacturing a memory cell Oct. 1, 2013
8546226 SONOS non-volatile memory cell and fabricating method thereof Oct. 1, 2013
8546224 Method for manufacturing twin bit structure cell with aluminum oxide layer Oct. 1, 2013
8530307 Semiconductor device and fabrication method therefor Sep. 10, 2013
8530955 Nonvolatile semiconductor memory device and method for manufacturing same Sep. 10, 2013
8530956 Non-volatile memory device and method for fabricating the same Sep. 10, 2013
8525275 Methods of forming non-volatile memory devices Sep. 3, 2013
8513079 TFT SAS memory cell structures Aug. 20, 2013
8508047 Buried word line memory integrated circuit system Aug. 13, 2013
8502300 Non-volatile semiconductor memory device Aug. 6, 2013
8492828 Vertical-type non-volatile memory devices Jul. 23, 2013
8476154 Method of making a charge trapping non-volatile semiconductor memory device Jul. 2, 2013
8441063 Memory with extended charge trapping layer May. 14, 2013
8421146 Semiconductor device having vertical transistor, manufacturing method thereof, and data processing system Apr. 16, 2013
8421205 Power layout for integrated circuits Apr. 16, 2013
8410543 Semiconductor storage device and manufacturing method thereof Apr. 2, 2013
8404549 Fabricating method of mirror bit memory device having split ONO film with top oxide film formed by oxidation process Mar. 26, 2013
8399310 Non-volatile memory and logic circuit process integration Mar. 19, 2013
8394694 Reliability of high-K gate dielectric layers Mar. 12, 2013
8390053 Nonvolatile semiconductor device including a field effect transistor having a charge storage layer of predetermined length Mar. 5, 2013
8378341 Semiconductor device and method of manufacturing semiconductor device Feb. 19, 2013
8372720 Non-volatile semiconductor storage device and method of manufacturing the same Feb. 12, 2013
8350344 Semiconductor device and method of fabricating the same Jan. 8, 2013
8350313 Nonvolatile memory transistor Jan. 8, 2013
8349662 Integrated circuit having memory cell array, and method of manufacturing same Jan. 8, 2013
8343840 Blocking dielectric engineered charge trapping memory cell with high speed erase Jan. 1, 2013
8338257 Nonvolatile semiconductor storage device and manufacturing method thereof Dec. 25, 2012
8335111 Non-volatile semiconductor storage device and method of manufacturing the same Dec. 18, 2012
8330201 Non-volatile semiconductor memory using charge-accumulation insulating film Dec. 11, 2012
8330210 High-.kappa. capped blocking dielectric bandgap engineered SONOS and MONOS Dec. 11, 2012
8329535 Multi-level-cell trapping DRAM Dec. 11, 2012
8324051 Methods of manufacturing NOR-type nonvolatile memory devices including impurity expansion regions Dec. 4, 2012
8313998 Method for manufacturing semiconductor device Nov. 20, 2012

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