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Class Information
Number: 257/E21.422
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 floating gate (epo)
Description: This subclass is indented under subclass E21.409. This subclass is substantially the same in scope as ECLA classification H01L21/336F.

Patents under this class:

Patent Number Title Of Patent Date Issued
7667262 Two bit U-shaped memory structure and method of making the same Feb. 23, 2010
7667260 Nanoscale floating gate and methods of formation Feb. 23, 2010
7666740 Nonvolatile semiconductor memory device to realize multi-bit cell and method for manufacturing the same Feb. 23, 2010
7655520 Non-volatile memory having three states and method for manufacturing the same Feb. 2, 2010
7652318 Split-gate memory cells and fabrication methods thereof Jan. 26, 2010
7651904 Methods of fabricating non-volatile memory devices including nanocrystals Jan. 26, 2010
7646065 Semiconductor device including fully-silicided (FUSI) gate electrodes Jan. 12, 2010
7642160 Method of forming a flash NAND memory cell array with charge storage elements positioned in trenches Jan. 5, 2010
7638393 Non-volatile memory device including nitrogen pocket implants and methods for making the same Dec. 29, 2009
7632730 CMOS image sensor and method for manufacturing the same Dec. 15, 2009
7629232 Semiconductor storage device and manufacturing method thereof Dec. 8, 2009
7629213 Method of manufacturing flash memory device with void between gate patterns Dec. 8, 2009
7619274 Nonvolatile semiconductor memory device and method of manufacturing the same Nov. 17, 2009
7618863 Method of fabricating flash memory device with increased coupling ratio Nov. 17, 2009
7615450 Method of manufacturing flash memory device Nov. 10, 2009
7611941 Method for manufacturing a memory cell arrangement Nov. 3, 2009
7601590 Electronic memory circuit and related manufacturing method Oct. 13, 2009
7598562 Semiconductor device and method of manufacturing the same Oct. 6, 2009
7595532 Semiconductor memory devices and methods of forming the same Sep. 29, 2009
7595240 Flash memory device with stacked dielectric structure including zirconium oxide and method for fabricating the same Sep. 29, 2009
7589373 Semiconductor device Sep. 15, 2009
7582930 Non-volatile memory and method for manufacturing non-volatile memory Sep. 1, 2009
7579246 Semiconductor device manufacturing method including oblique ion implantation process and reticle pattern forming method Aug. 25, 2009
7569465 Use of voids between elements in semiconductor structures for isolation Aug. 4, 2009
7569454 Semiconductor device manufacturing method using strip-like gate electrode hard masks for ion implantation Aug. 4, 2009
7560764 SONOS memory device having curved surface and method for fabricating the same Jul. 14, 2009
7560343 Manufacturing method of non-volatile memory Jul. 14, 2009
7560335 Memory device transistors Jul. 14, 2009
7560329 Semiconductor device and method for fabricating the same Jul. 14, 2009
7553728 Method of fabricating a non-volatile semiconductor memory Jun. 30, 2009
7550347 Methods of forming integrated circuit device gate structures Jun. 23, 2009
7547603 Non-planar non-volatile memory cell with an erase gate, an array therefor, and a method of making same Jun. 16, 2009
7547599 Multi-state memory cell Jun. 16, 2009
7541243 Methods of forming integrated circuit devices having gate electrodes formed on non-uniformly thick gate insulating layers Jun. 2, 2009
7541237 Non-volatile memory cell array having discontinuous source and drain diffusions contacted by continuous bit line conductors and methods of forming Jun. 2, 2009
7517750 Flash memory devices having multilayered inter-gate dielectric layers including metal oxide layers and methods of manufacturing the same Apr. 14, 2009
7510936 Nonvolatile memory device and methods of fabricating and driving the same Mar. 31, 2009
7510934 Methods of fabricating nonvolatile memory devices Mar. 31, 2009
7507624 Semiconductor memory device and method of manufacturing the same Mar. 24, 2009
7498217 Methods of manufacturing semiconductor memory devices with unit cells having charge trapping layers Mar. 3, 2009
7494869 Semiconductor integrated circuit device and manufacturing method thereof Feb. 24, 2009
7494860 Methods of forming nonvolatile memories with L-shaped floating gates Feb. 24, 2009
7492000 Self-aligned split-gate nonvolatile memory structure and a method of making the same Feb. 17, 2009
7476586 NOR flash memory cell with high storage density Jan. 13, 2009
7465985 Non-volatile memory device and methods of forming the same Dec. 16, 2008
7462903 Methods for fabricating semiconductor devices and contacts to semiconductor devices Dec. 9, 2008
7456060 Nonvolatile memory device and method for fabricating the same Nov. 25, 2008
7453117 Non-volatile semiconductor memory device Nov. 18, 2008
7439134 Method for process integration of non-volatile memory cell transistors with transistors of another type Oct. 21, 2008
7439121 Dielectric film and method of forming it, semiconductor device, non-volatile semiconductor memory device, and production method for semiconductor device Oct. 21, 2008

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