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Class Information
Number: 257/E21.689
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 different types of peripheral fets (epo)
Description: This subclass is indented under subclass E21.683. This subclass is substantially the same in scope as ECLA classification H01L21/8247M2P2.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7419876 |
Method for manufacturing non-volatile memory devices integrated in a semiconductor substrate |
Sep. 2, 2008 |
| 7402495 |
Method for manufacturing a semiconductor device |
Jul. 22, 2008 |
| 7399662 |
Method of manufacturing a thin film transistor device |
Jul. 15, 2008 |
| 7371631 |
Method of manufacturing a nonvolatile semiconductor memory device, and a nonvolatile semiconductor memory device |
May. 13, 2008 |
| 7364969 |
Semiconductor fabrication process for integrating formation of embedded nonvolatile storage device with formation of multiple transistor device types |
Apr. 29, 2008 |
| 7312503 |
Semiconductor memory device including MOS transistors each having a floating gate and a control gate |
Dec. 25, 2007 |
| 7297598 |
Process for erase improvement in a non-volatile memory device |
Nov. 20, 2007 |
| 7294883 |
Nonvolatile memory cells with buried channel transistors |
Nov. 13, 2007 |
| 7230294 |
Non-volatile memory devices having a multi-layered charge storage layer and methods of forming the same |
Jun. 12, 2007 |
| 7220642 |
Protection of active layers of memory cells during processing of other elements |
May. 22, 2007 |
| 7193272 |
Semiconductor device and method of manufacturing the same |
Mar. 20, 2007 |
| 7148103 |
Multilevel poly-Si tiling for semiconductor circuit manufacture |
Dec. 12, 2006 |
| 7132330 |
Nonvolatile semiconductor memory device with improved gate oxide film arrangement |
Nov. 7, 2006 |
| 7091089 |
Method of forming a nanocluster charge storage device |
Aug. 15, 2006 |
| 7067872 |
Semiconductor memory device equipped with memory transistor and peripheral transistor and method of manufacturing the same |
Jun. 27, 2006 |
| 7067362 |
Integrated circuit with protected implantation profiles and method for the formation thereof |
Jun. 27, 2006 |
| 7067373 |
Semiconductor integrated circuit device and a method of manufacturing the same |
Jun. 27, 2006 |
| 7056791 |
Method of forming an embedded flash memory device |
Jun. 6, 2006 |
| 7057230 |
Nonvolatile semiconductor memory device employing transistors having different gate withstand voltages for enhanced reading speed |
Jun. 6, 2006 |
| 7052960 |
Method for manufacturing a flash memory device |
May. 30, 2006 |
| 7052947 |
Fabrication of gate dielectric in nonvolatile memories in which a memory cell has multiple floating gates |
May. 30, 2006 |
| 7053438 |
Fabrication of gate dielectric in nonvolatile memories in which a memory cell has multiple floating gates |
May. 30, 2006 |
| 7045850 |
Semiconductor device with floating trap type nonvolatile memory cell and method for manufacturing the same |
May. 16, 2006 |
| 7037786 |
Method of forming a low voltage gate oxide layer and tunnel oxide layer in an EEPROM cell |
May. 2, 2006 |
| 7034355 |
Nonvolatile semiconductor storage and its manufacturing method |
Apr. 25, 2006 |
| 7023049 |
Semiconductor device including nonvolatile memory |
Apr. 4, 2006 |
| 7018895 |
Nonvolatile memory cell with multiple floating gates formed after the select gate |
Mar. 28, 2006 |
| 7002830 |
Semiconductor integrated circuit device |
Feb. 21, 2006 |
| 7001812 |
Method of manufacturing semi conductor device |
Feb. 21, 2006 |
| 6999350 |
Data line disturbance free memory block divided flash memory and microcomputer having flash memory therein |
Feb. 14, 2006 |
| 6991983 |
Method of manufacturing high voltage transistor in flash memory device |
Jan. 31, 2006 |
| 6989564 |
Nonvolatile semiconductor storage apparatus and method of manufacturing the same |
Jan. 24, 2006 |
| 6989303 |
Nonvolatile semiconductor device with floating gate structure |
Jan. 24, 2006 |
| 6984567 |
Nonvolatile semiconductor memory device and manufacturing method thereof |
Jan. 10, 2006 |
| 6974739 |
Fabrication of dielectric on a gate surface to insulate the gate from another element of an integrated circuit |
Dec. 13, 2005 |
| 6975018 |
Semiconductor device |
Dec. 13, 2005 |
| 6969885 |
Non-volatile semiconductor memory device with first and second nitride insulators |
Nov. 29, 2005 |
| 6962851 |
Nonvolatile memories and methods of fabrication |
Nov. 8, 2005 |
| 6962852 |
Nonvolatile memories and methods of fabrication |
Nov. 8, 2005 |
| 6960501 |
Method of manufacturing a semiconductor memory device having a non-volatile memory cell portion with single misfet transistor type memory cells and a peripheral circuit portion with misfets |
Nov. 1, 2005 |
| 6951782 |
Nonvolatile memory cell with multiple floating gates formed after the select gate and having upward protrusions |
Oct. 4, 2005 |
| 6933199 |
Method for integrating non-volatile memory with high-voltage and low-voltage logic in a salicide process |
Aug. 23, 2005 |
| 6909139 |
One transistor flash memory cell |
Jun. 21, 2005 |
| 6908837 |
Method of manufacturing a semiconductor integrated circuit device including a gate electrode having a salicide layer thereon |
Jun. 21, 2005 |
| 6902974 |
Fabrication of conductive gates for nonvolatile memories from layers with protruding portions |
Jun. 7, 2005 |
| 6903422 |
Semiconductor integrated circuits, fabrication method for the same and semiconductor integrated circuit systems |
Jun. 7, 2005 |
| 6900097 |
Method for forming single-level electrically erasable and programmable read only memory operated in environment with high/low-voltage |
May. 31, 2005 |
| 6897524 |
Non-volatile semiconductor memory device and method of manufacturing the same |
May. 24, 2005 |
| 6885044 |
Arrays of nonvolatile memory cells wherein each cell has two conductive floating gates |
Apr. 26, 2005 |
| 6876565 |
Semiconductor memory device |
Apr. 5, 2005 |
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