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Class Information
Number: 257/314
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device > Having insulated electrode (e.g., mosfet, mos diode) > Variable threshold (e.g., floating gate memory device)
Description: Subject matter wherein the device has a threshold voltage for current conduction which may be varied (e.g., by storage of charge in an insulator layer adjacent the channel in response to an electrical "write" signal).
Sub-classes under this class:
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 |
| 7618861 |
Method of manufacturing non-volatile memory device using multiple element isolation regions and perpendicular extensive device regions |
Nov. 17, 2009 |
| 7615820 |
Self-aligned trenches with grown dielectric for high coupling ratio in semiconductor devices |
Nov. 10, 2009 |
| 7615819 |
Semiconductor device |
Nov. 10, 2009 |
| 7615818 |
Semiconductor device and method of manufacturing the same |
Nov. 10, 2009 |
| 7615446 |
Charge trap flash memory device, fabrication method thereof, and write/read operation control method thereof |
Nov. 10, 2009 |
| 7612411 |
Dual-gate device and method |
Nov. 3, 2009 |
| 7612403 |
Low power non-volatile memory and gate stack |
Nov. 3, 2009 |
| 7612401 |
Non-volatile memory cell |
Nov. 3, 2009 |
| 7611946 |
Method of fabricating a non-volatile memory device |
Nov. 3, 2009 |
| 7608882 |
Split-gate non-volatile memory |
Oct. 27, 2009 |
| 7605430 |
Nonvolatile memory devices having a fin shaped active region and methods of fabricating the same |
Oct. 20, 2009 |
| 7605420 |
Semiconductor tunneling magneto resistance device and method of manufacturing the same |
Oct. 20, 2009 |
| 7605419 |
Flash memory device and fabricating method thereof |
Oct. 20, 2009 |
| 7605044 |
Method of manufacturing semiconductor device |
Oct. 20, 2009 |
| 7602029 |
Configuration and method of manufacturing the one-time programmable (OTP) memory cells |
Oct. 13, 2009 |
| 7598561 |
NOR flash memory |
Oct. 6, 2009 |
| 7598560 |
Hetero-bimos injection process for non-volatile flash memory |
Oct. 6, 2009 |
| 7595532 |
Semiconductor memory devices and methods of forming the same |
Sep. 29, 2009 |
| 7595522 |
Nonvolatile semiconductor memory |
Sep. 29, 2009 |
| 7590004 |
Nonvolatile semiconductor memory having a plurality of interconnect layers |
Sep. 15, 2009 |
| 7589376 |
Electrically erasable programmable read-only memory (EEPROM) device and methods of fabricating the same |
Sep. 15, 2009 |
| 7589373 |
Semiconductor device |
Sep. 15, 2009 |
| 7589372 |
Nonvolatile memory device and method for fabricating the same |
Sep. 15, 2009 |
| 7589371 |
Semiconductor device and fabrication method therefor |
Sep. 15, 2009 |
| 7586150 |
Semiconductor devices with local recess channel transistors and methods of manufacturing the same |
Sep. 8, 2009 |
| 7586145 |
EEPROM flash memory device with jagged edge floating gate |
Sep. 8, 2009 |
| 7586144 |
Memory device with high dielectric constant gate dielectrics and metal floating gates |
Sep. 8, 2009 |
| 7583534 |
Memory utilizing oxide-conductor nanolaminates |
Sep. 1, 2009 |
| 7582927 |
Flash EEPROM cell and method of fabricating the same |
Sep. 1, 2009 |
| 7582926 |
Semiconductor storage device, its manufacturing method and operating method, and portable electronic apparatus |
Sep. 1, 2009 |
| 7582526 |
Method for manufacturing semiconductor device |
Sep. 1, 2009 |
| 7580279 |
Flash memory cells with reduced distances between cell elements |
Aug. 25, 2009 |
| 7579646 |
Flash memory with deep quantum well and high-K dielectric |
Aug. 25, 2009 |
| 7579645 |
Semiconductor device having non-volatile memory cell |
Aug. 25, 2009 |
| 7573095 |
Memory cells with improved program/erase windows |
Aug. 11, 2009 |
| 7573089 |
Non-volatile memory device |
Aug. 11, 2009 |
| 7572700 |
EEPROM and method of manufacturing the same |
Aug. 11, 2009 |
| 7569882 |
Non-volatile multibit memory cell and method of manufacturing thereof |
Aug. 4, 2009 |
| 7569879 |
Nonvolatile semiconductor memory device and manufacturing method thereof |
Aug. 4, 2009 |
| 7569454 |
Semiconductor device manufacturing method using strip-like gate electrode hard masks for ion implantation |
Aug. 4, 2009 |
| 7569284 |
Incorporation of nitrogen into high k dielectric film |
Aug. 4, 2009 |
| 7566928 |
Byte-operational nonvolatile semiconductor memory device |
Jul. 28, 2009 |
| 7566927 |
Flash memory device |
Jul. 28, 2009 |
| 7566615 |
Methods of fabricating scalable two transistor memory devices |
Jul. 28, 2009 |
| 7564093 |
Semiconductor device |
Jul. 21, 2009 |
| 7564092 |
Flash memory device having a split gate |
Jul. 21, 2009 |
| 7564091 |
Memory device and methods for its fabrication |
Jul. 21, 2009 |
| 7564090 |
Transistor of a semiconductor device |
Jul. 21, 2009 |
| 7560767 |
Nonvolatile semiconductor memory device |
Jul. 14, 2009 |
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