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Class Information
Number: 257/E29.306
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Types of semiconductor device (epo) > Controllable by only signal applied to control electrode (e.g., base of bipolar transistor, gate of field-effect transistor) (epo) > Unipolar device (epo) > Field-effect transistor (epo) > With field effect produced by insulated gate (epo) > With floating gate (epo) > Hi-lo programming levels only (epo) > Charging by hot carrier injection (epo) > Hot carrier injection from channel (epo)
Description: This subclass is indented under subclass E29.305. This subclass is substantially the same in scope as ECLA classification H01L29/788B6B.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626864 |
Electrically alterable non-volatile memory cells and arrays |
Dec. 1, 2009 |
| 7586146 |
Non-volatile memory and method of fabricating same |
Sep. 8, 2009 |
| 7579246 |
Semiconductor device manufacturing method including oblique ion implantation process and reticle pattern forming method |
Aug. 25, 2009 |
| 7550347 |
Methods of forming integrated circuit device gate structures |
Jun. 23, 2009 |
| 7544603 |
Method of fabricating silicon nitride layer and method of fabricating semiconductor device |
Jun. 9, 2009 |
| 7462539 |
Direct tunneling memory with separated transistor and tunnel areas |
Dec. 9, 2008 |
| 7449746 |
EEPROM with split gate source side injection |
Nov. 11, 2008 |
| 7411246 |
Self aligned method of forming a semiconductor memory array of floating gate memory cells with buried bit-line and raised source line, and a memory array made thereby |
Aug. 12, 2008 |
| 7074672 |
Self aligned method of forming a semiconductor memory array of floating gate memory cells with buried bit-line and vertical word line transistor |
Jul. 11, 2006 |
| 7075139 |
Method of manufacturing semiconductor device |
Jul. 11, 2006 |
| 7071512 |
Non-volatile semiconductor memory device |
Jul. 4, 2006 |
| 7057230 |
Nonvolatile semiconductor memory device employing transistors having different gate withstand voltages for enhanced reading speed |
Jun. 6, 2006 |
| 7045853 |
Semiconductor memory element, semiconductor device and control method thereof |
May. 16, 2006 |
| 7041554 |
Methods of fabricating flash memory devices having self aligned shallow trench isolation structures |
May. 9, 2006 |
| 7042043 |
Programmable array logic or memory devices with asymmetrical tunnel barriers |
May. 9, 2006 |
| 7018895 |
Nonvolatile memory cell with multiple floating gates formed after the select gate |
Mar. 28, 2006 |
| 7015102 |
Method of forming floating-gate memory cell having trench structure with ballistic-charge injector, and the array of memory cells made thereby |
Mar. 21, 2006 |
| 7005698 |
Split gate flash memory cell |
Feb. 28, 2006 |
| 7005344 |
Method of forming a device with a gallium nitride or gallium aluminum nitride gate |
Feb. 28, 2006 |
| 7001809 |
Method to increase coupling ratio of source to floating gate in split-gate flash |
Feb. 21, 2006 |
| 6996009 |
NOR flash memory cell with high storage density |
Feb. 7, 2006 |
| 6990023 |
Horizontal memory devices with vertical gates |
Jan. 24, 2006 |
| 6982458 |
Method of making the selection gate in a split-gate flash EEPROM cell and its structure |
Jan. 3, 2006 |
| 6982456 |
Nonvolatile semiconductor memory device and method for fabricating the same |
Jan. 3, 2006 |
| 6963102 |
Non-volatile semiconductor memory having a decreased gate length |
Nov. 8, 2005 |
| 6963105 |
Flash memory cell structure |
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 |
| 6958274 |
Method of fabricating split gate flash memory device |
Oct. 25, 2005 |
| 6958513 |
Floating-gate memory cell having trench structure with ballistic-charge injector, and the array of memory cells |
Oct. 25, 2005 |
| 6958273 |
Self-aligned method of forming a semiconductor memory array of floating gate memory cells with buried floating gate, pointed floating gate and pointed channel region, and a memory array made t |
Oct. 25, 2005 |
| 6952032 |
Programmable array logic or memory devices with asymmetrical tunnel barriers |
Oct. 4, 2005 |
| 6936884 |
Nonvolatile silicon/oxide/nitride/silicon/nitride/oxide/silicon memory |
Aug. 30, 2005 |
| 6924527 |
Split gate flash memory cell structure and method of manufacturing the same |
Aug. 2, 2005 |
| 6921964 |
Semiconductor device having a non-volatile memory transistor formed on a semiconductor |
Jul. 26, 2005 |
| 6917070 |
Single-poly EPROM and method for forming the same |
Jul. 12, 2005 |
| 6917069 |
Semiconductor memory array of floating gate memory cells with buried bit-line and vertical word line transistor |
Jul. 12, 2005 |
| 6914817 |
Highly compact EPROM and flash EEPROM devices |
Jul. 5, 2005 |
| 6912158 |
Transistor with nanocrystalline silicon gate structure |
Jun. 28, 2005 |
| 6906379 |
Semiconductor memory array of floating gate memory cells with buried floating gate |
Jun. 14, 2005 |
| 6902978 |
Method of making the selection gate in a split-gate flash EEPROM cell and its structure |
Jun. 7, 2005 |
| 6897521 |
Split gate flash memory cell |
May. 24, 2005 |
| 6878589 |
Method and system for improving short channel effect on a floating gate device |
Apr. 12, 2005 |
| 6878991 |
Vertical device 4F2 EEPROM memory |
Apr. 12, 2005 |
| 6876033 |
Electrically erasable and programmable non-volatile memory cell |
Apr. 5, 2005 |
| 6873006 |
Semiconductor memory array of floating gate memory cells with burried floating gate and pointed channel region |
Mar. 29, 2005 |
| 6873004 |
Virtual ground single transistor memory cell, memory array incorporating same, and method of operation thereof |
Mar. 29, 2005 |
| 6856546 |
Multi-state memory |
Feb. 15, 2005 |
| 6847088 |
Non-volatile semiconductor memory devices and methods for manufacturing the same |
Jan. 25, 2005 |
| 6844232 |
Flash memory device and fabricating method therefor |
Jan. 18, 2005 |
| 6842374 |
Method for operating N-channel electrically erasable programmable logic device |
Jan. 11, 2005 |
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