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Class Information
Number: 365/185.3
Name: Static information storage and retrieval > Floating gate > Particular biasing > Erase > Over erasure
Description: Subject matter under 185.29 including the use of any circuitry or means to measure or prevent over erasure of memory cells (i.e., removal of more charge than is desired for a particular logic level setting).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623390 |
Programming method for non-volatile memory and non-volatile memory-based programmable logic device |
Nov. 24, 2009 |
| 7619934 |
Method and apparatus for adaptive memory cell overerase compensation |
Nov. 17, 2009 |
| 7599228 |
Flash memory device having increased over-erase correction efficiency and robustness against device variations |
Oct. 6, 2009 |
| 7599229 |
Methods and structures for expanding a memory operation window and reducing a second bit effect |
Oct. 6, 2009 |
| 7558122 |
Flash memory device and method of erasing flash memory device |
Jul. 7, 2009 |
| 7554852 |
Method of erasing flash memory with pre-programming memory cells only in the presence of a cell leakage |
Jun. 30, 2009 |
| 7535763 |
Controlled boosting in non-volatile memory soft programming |
May. 19, 2009 |
| 7535771 |
Devices and methods to improve erase uniformity and to screen for marginal cells for NROM memories |
May. 19, 2009 |
| 7532531 |
Flash memory device and multi-block erase method |
May. 12, 2009 |
| 7499335 |
Non-volatile memory with improved erasing operation |
Mar. 3, 2009 |
| 7499338 |
Partitioned soft programming in non-volatile memory |
Mar. 3, 2009 |
| 7499317 |
System for partitioned erase and erase verification in a non-volatile memory to compensate for capacitive coupling |
Mar. 3, 2009 |
| 7499337 |
Method of erasing data in non-volatile semiconductor memory device while suppressing variation |
Mar. 3, 2009 |
| 7495954 |
Method for partitioned erase and erase verification to compensate for capacitive coupling effects in non-volatile memory |
Feb. 24, 2009 |
| 7492639 |
EEPROM memory having an improved resistance to the breakdown of transistors |
Feb. 17, 2009 |
| 7486568 |
Method and apparatus for protection from over-erasing nonvolatile memory cells |
Feb. 3, 2009 |
| 7483311 |
Erase operation in a flash memory device |
Jan. 27, 2009 |
| 7467253 |
Cycle count storage systems |
Dec. 16, 2008 |
| 7460412 |
Flash memory device and erasing method thereof |
Dec. 2, 2008 |
| 7457997 |
Apparatus and method for detecting over-programming condition in multistate memory device |
Nov. 25, 2008 |
| 7457167 |
Method for preventing over-erasing of unused column redundant memory cells in a flash memory having single-transistor memory cells |
Nov. 25, 2008 |
| 7453736 |
Methods of erasing and designing electrically erasable charge trap nonvolatile memory cells having erase threshold voltage that is higher than an initial threshold voltage |
Nov. 18, 2008 |
| 7447080 |
Method and device for checking the execution of a write command for writing in a memory |
Nov. 4, 2008 |
| 7443732 |
High performance flash memory device capable of high density data storage |
Oct. 28, 2008 |
| 7420853 |
Semiconductor storage device and semiconductor storage device driving method |
Sep. 2, 2008 |
| 7415646 |
Page.sub.--EXE erase algorithm for flash memory |
Aug. 19, 2008 |
| 7400537 |
Systems for erasing non-volatile memory using individual verification and additional erasing of subsets of memory cells |
Jul. 15, 2008 |
| 7391655 |
Data processing system and nonvolatile memory |
Jun. 24, 2008 |
| 7372733 |
Non-volatile semiconductor memory device having different erase pass voltages for respective memory sectors and associated erase method |
May. 13, 2008 |
| 7362610 |
Programming method for non-volatile memory and non-volatile memory-based programmable logic device |
Apr. 22, 2008 |
| 7355897 |
Methods to resolve hard-to-erase condition in charge trapping non-volatile memory |
Apr. 8, 2008 |
| 7353325 |
Wear leveling techniques for flash EEPROM systems |
Apr. 1, 2008 |
| 7345922 |
Position based erase verification levels in a flash memory device |
Mar. 18, 2008 |
| 7324385 |
Molecular memory |
Jan. 29, 2008 |
| 7305513 |
Circuit for preventing nonvolatile memory from over-erase |
Dec. 4, 2007 |
| 7277327 |
Methods for erasing flash memory |
Oct. 2, 2007 |
| 7277328 |
Methods for neutralizing holes in tunnel oxides in tunnel oxides of floating-gate memory cells and devices |
Oct. 2, 2007 |
| 7277329 |
Erase method to reduce erase time and to prevent over-erase |
Oct. 2, 2007 |
| 7266019 |
Non-volatile memory device and erasing method therefor |
Sep. 4, 2007 |
| 7266029 |
Nonvolatile memory devices including overlapped data sensing and verification and methods of verifying data in nonvolatile memory devices |
Sep. 4, 2007 |
| 7251158 |
Erase algorithm for multi-level bit flash memory |
Jul. 31, 2007 |
| 7242622 |
Methods to resolve hard-to-erase condition in charge trapping non-volatile memory |
Jul. 10, 2007 |
| 7242616 |
Non-volatile semiconductor memory device |
Jul. 10, 2007 |
| 7236399 |
Method for erase-verifying a non-volatile memory capable of identifying over-erased and under-erased memory cells |
Jun. 26, 2007 |
| 7236400 |
Erase verify for non-volatile memory using a bitline current-to-voltage converter |
Jun. 26, 2007 |
| 7236405 |
Method for setting erasing pulses and screening erasing defects of nonvolatile memory |
Jun. 26, 2007 |
| 7236406 |
Method of erasing data in non-volatile semiconductor memory device while suppressing variation |
Jun. 26, 2007 |
| 7233525 |
Method of converting contents of flash memory cells in the presence of leakage |
Jun. 19, 2007 |
| 7233530 |
System and method for over erase reduction of nitride read only memory |
Jun. 19, 2007 |
| 7233529 |
System for erasing nonvolatile memory |
Jun. 19, 2007 |
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