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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
8022489 Air tunnel floating gate memory cell Sep. 20, 2011
8021946 Nonvolatile memory device and method for fabricating the same Sep. 20, 2011
8017481 Methods of forming nanoscale floating gate Sep. 13, 2011
8012829 Semiconductor device and method of manufacturing the same Sep. 6, 2011
8004034 Single poly type EEPROM and method for manufacturing the EEPROM Aug. 23, 2011
7998809 Method for forming a floating gate using chemical mechanical planarization Aug. 16, 2011
7994588 Inverted nonvolatile memory device, stack module, and method of fabricating the same Aug. 9, 2011
7994003 Nonvolatile memory device and method of fabricating the same Aug. 9, 2011
7993988 Techniques for fabricating a non-planar transistor Aug. 9, 2011
7989875 BiCMOS integration of multiple-times-programmable non-volatile memories Aug. 2, 2011
7989290 Methods for forming rhodium-based charge traps and apparatus including rhodium-based charge traps Aug. 2, 2011
7981746 Semiconductor device and method for manufacturing thereof Jul. 19, 2011
7977226 Flash memory device and method of fabricating the same Jul. 12, 2011
7972924 Method for manufacturing a memory Jul. 5, 2011
7968934 Memory device including a gate control layer Jun. 28, 2011
7968931 Non-volatile semiconductor memory devices Jun. 28, 2011
7960266 Spacer patterns using assist layer for high density semiconductor devices Jun. 14, 2011
7960231 Method of forming a semiconductor memory device Jun. 14, 2011
7952128 Semiconductor device May. 31, 2011
7951671 Method of fabricating non-volatile memory device having separate charge trap patterns May. 31, 2011
7951670 Flash memory cell with split gate structure and method for forming the same May. 31, 2011
7943980 Self-aligned patterning method by using non-conformal film and etch back for flash memory and other semiconductur applications May. 17, 2011
7943483 Method of manufacturing semiconductor device May. 17, 2011
7932159 Flash memory device and method of fabricating the same Apr. 26, 2011
7923769 Split gate non-volatile memory cell with improved endurance and method therefor Apr. 12, 2011
7923768 Semiconductor device with non-volatile memory function and method of manufacturing the same Apr. 12, 2011
7923328 Split gate non-volatile memory cell with improved endurance and method therefor Apr. 12, 2011
7923326 Memory device and method for manufacturing the same Apr. 12, 2011
7919371 Method for fabricating non-volatile memory device with charge trapping layer Apr. 5, 2011
7915668 Semiconductor device and method for forming the same Mar. 29, 2011
7915114 Low temperature process for TFT fabrication Mar. 29, 2011
7910978 Process for manufacturing a memory device integrated on a semiconductor substrate and comprising nanocrystal memory cells and CMOS transistors Mar. 22, 2011
7910430 NAND flash memory device and method of manufacturing the same Mar. 22, 2011
7902587 Non-volatile memory cell Mar. 8, 2011
7898016 CMOS semiconductor non-volatile memory device Mar. 1, 2011
7888729 Flash memory gate structure for widened lithography window Feb. 15, 2011
7884414 Semiconductor memory device and method of fabrication of the same Feb. 8, 2011
7883972 Semiconductor device having a fin structure and method of manufacturing the same Feb. 8, 2011
7883966 Memory device and method for manufacturing the same Feb. 8, 2011
7883964 Nonvolatile semiconductor memory and a fabrication method thereof Feb. 8, 2011
7879708 Apparatus and associated method for making a floating gate cell with increased overlay between the control gate and floating gate Feb. 1, 2011
7872296 Semiconductor memory device Jan. 18, 2011
7871886 Nanocrystal memory with differential energy bands and method of formation Jan. 18, 2011
7871885 Manufacturing method of flash memory device Jan. 18, 2011
7871879 Method of manufacturing semiconductor memory device Jan. 18, 2011
7867843 Gate structures for flash memory and methods of making same Jan. 11, 2011
7867837 Process for manufacturing rounded polysilicon electrodes on semiconductor components Jan. 11, 2011
7863134 Nonvolatile semiconductor storage device and manufacturing method thereof Jan. 4, 2011
7863133 Oxide epitaxial isolation Jan. 4, 2011
7859043 Three-terminal single poly NMOS non-volatile memory cell Dec. 28, 2010











 
 
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