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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 |
| 7618863 |
Method of fabricating flash memory device with increased coupling ratio |
Nov. 17, 2009 |
| 7619274 |
Nonvolatile semiconductor memory device and method of manufacturing the same |
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 |
| 7595240 |
Flash memory device with stacked dielectric structure including zirconium oxide and method for fabricating the same |
Sep. 29, 2009 |
| 7595532 |
Semiconductor memory devices and methods of forming 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 |
| 7569454 |
Semiconductor device manufacturing method using strip-like gate electrode hard masks for ion implantation |
Aug. 4, 2009 |
| 7569465 |
Use of voids between elements in semiconductor structures for isolation |
Aug. 4, 2009 |
| 7560764 |
SONOS memory device having curved surface and method for fabricating the same |
Jul. 14, 2009 |
| 7560335 |
Memory device transistors |
Jul. 14, 2009 |
| 7560343 |
Manufacturing method of non-volatile memory |
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 |
| 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 |
| 7541243 |
Methods of forming integrated circuit devices having gate electrodes formed on non-uniformly thick gate insulating layers |
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 |
| 7494860 |
Methods of forming nonvolatile memories with L-shaped floating gates |
Feb. 24, 2009 |
| 7494869 |
Semiconductor integrated circuit device and manufacturing method thereof |
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 |
| 7439121 |
Dielectric film and method of forming it, semiconductor device, non-volatile semiconductor memory device, and production method for semiconductor device |
Oct. 21, 2008 |
| 7439134 |
Method for process integration of non-volatile memory cell transistors with transistors of another type |
Oct. 21, 2008 |
| 7425482 |
Non-volatile memory device and method for fabricating the same |
Sep. 16, 2008 |
| 7416935 |
Method of manufacturing nonvolatile semiconductor memory device having adjacent selection transistors connected together |
Aug. 26, 2008 |
| 7410871 |
Split gate type flash memory device and method for manufacturing same |
Aug. 12, 2008 |
| 7411243 |
Nonvolatile semiconductor device and method of fabricating the same |
Aug. 12, 2008 |
| 7396722 |
Memory device with reduced cell area |
Jul. 8, 2008 |
| 7391078 |
Non-volatile memory and manufacturing and operating method thereof |
Jun. 24, 2008 |
| 7387933 |
EEPROM device and method of fabricating the same |
Jun. 17, 2008 |
| 7374995 |
Nonvolatile semiconductor memory device |
May. 20, 2008 |
| 7372098 |
Low power flash memory devices |
May. 13, 2008 |
| 7365383 |
Method of forming an EPROM cell and structure therefor |
Apr. 29, 2008 |
| 7358129 |
Nonvolatile semiconductor memory device and a method of the same |
Apr. 15, 2008 |
| 7358558 |
Flash memory device |
Apr. 15, 2008 |
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