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Class Information
Number: 257/E21.688
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) > Floating gate dielectric 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 H01L21/8247M2P1G.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8614473 Flash memory with recessed floating gate Dec. 24, 2013
8482050 Flash memory with recessed floating gate Jul. 9, 2013
8426906 Method and structure for a semiconductor charge storage device Apr. 23, 2013
8241984 Semiconductor device and method for manufacturing the same Aug. 14, 2012
8198156 Non-volatile memory device and method for fabricating the same Jun. 12, 2012
8093631 Non-volatile memory device and method for fabricating the same Jan. 10, 2012
8076713 Non-volatile memory devices having a multi-layered charge storage layer Dec. 13, 2011
8043924 Methods of forming phase-change memory units, and methods of manufacturing phase-change memory devices using the same Oct. 25, 2011
7998809 Method for forming a floating gate using chemical mechanical planarization Aug. 16, 2011
7897456 Non-volatile memory device and method for fabricating the same Mar. 1, 2011
7863133 Oxide epitaxial isolation Jan. 4, 2011
7772637 Semiconductor devices including gate structures and leakage barrier oxides Aug. 10, 2010
7553726 Method of fabricating nonvolatile memory device Jun. 30, 2009
7439134 Method for process integration of non-volatile memory cell transistors with transistors of another type Oct. 21, 2008
7364951 Nonvolatile semiconductor memory device and method for manufacturing the same Apr. 29, 2008
7229876 Method of fabricating memory Jun. 12, 2007
7166510 Method for manufacturing flash memory device Jan. 23, 2007
7148103 Multilevel poly-Si tiling for semiconductor circuit manufacture Dec. 12, 2006
7037782 Semiconductor memory having storage cells storing multiple bits and a method of manufacturing the same May. 2, 2006
7029968 Method of forming a PIP capacitor Apr. 18, 2006
7001808 Semiconductor integrated circuit device having a dummy conductive film and method of manufacturing the same Feb. 21, 2006
6977202 Method of making a non-volatile semiconductor memory device Dec. 20, 2005
6940152 Semiconductor storage device and its manufacturing method Sep. 6, 2005
6933195 Method of fabricating a flash memory device Aug. 23, 2005
6919611 Semiconductor memory reducing current consumption and narrow channel effect and method of manufacturing the same Jul. 19, 2005
6913973 Semiconductor device including transistor with composite gate structure and transistor with single gate structure, and method for manufacturing the same Jul. 5, 2005
6891246 Nonvolatile semiconductor memory and manufacturing method thereof May. 10, 2005
6885044 Arrays of nonvolatile memory cells wherein each cell has two conductive floating gates Apr. 26, 2005
6864546 Semiconductor device having memory cell portion and manufacturing method thereof Mar. 8, 2005
6861698 Array of floating gate memory cells having strap regions and a peripheral logic device region Mar. 1, 2005
6861697 Interconnecting conductive layers of memory devices Mar. 1, 2005
6855591 Nonvolatile memory device having STI structure and method of fabricating the same Feb. 15, 2005
6828624 Nonvolatile semiconductor memory device covered with insulating film which is hard for an oxidizing agent to pass therethrough Dec. 7, 2004
6812518 Semiconductor memory having storage cells storing multiple bits and a method of manufacturing the same Nov. 2, 2004
6800894 Semiconductor devices, circuit substrates and electronic devices Oct. 5, 2004
6791139 Semiconductor memory and method for fabricating the same Sep. 14, 2004
6790729 Method of manufacturing NAND flash memory device Sep. 14, 2004
6787417 Method of fabricating semiconductor device Sep. 7, 2004
6787844 Semiconductor device including transistor with composite gate structure and transistor with single gate structure, and method for manufacturing the same Sep. 7, 2004
6784054 Method of manufacturing semiconductor device Aug. 31, 2004
6774429 Hybrid semiconductor device with a poly-metal gate structure Aug. 10, 2004
6746921 Method of forming an array of FLASH field effect transistors and circuitry peripheral to such array Jun. 8, 2004
6747311 Nonvolatile semiconductor memory device and method for manufacturing the same Jun. 8, 2004
6743674 Method of forming a semiconductor array of floating gate memory cells and strap regions, and a memory array and strap regions made thereby Jun. 1, 2004
6730973 Semiconductor device May. 4, 2004
6696340 Semiconductor devices having a non-volatile memory transistor and methods for manufacturing the same Feb. 24, 2004
6661052 Semiconductor device and method of manufacturing the same Dec. 9, 2003
6645814 Method of forming an array of FLASH field effect transistors and circuitry peripheral to such array Nov. 11, 2003
6632715 Semiconductor device having nonvolatile memory cell and field effect transistor Oct. 14, 2003
6630392 Method for fabricating flash memory device Oct. 7, 2003

1 2 3 4










 
 
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