Static information storage and retrieval – Floating gate – Particular biasing
Reexamination Certificate
2005-06-07
2005-06-07
Nguyen, Van Thu (Department: 2824)
Static information storage and retrieval
Floating gate
Particular biasing
C365S185190, C365S185240, C711S136000, C711S156000, C711S160000
Reexamination Certificate
active
06903972
ABSTRACT:
A method and system for archiving data. The data are classified according to their desired lifetime and then archived in a memory using a storage method whose reliability is in accordance with the desired lifetime. For example, when storing data in the cells of an EPROM, short-term data could be archived using larger programming voltage pulse increments than for long-term data, using a lower target threshold voltage than for long-term data, using wider programming voltage pulses than for long-term data, using higher starting programming voltages than for long-term data, using fewer programming voltage pulses than for long term data, using lower maximum programming voltages than for long term data, or using more levels per cell than for long-term data.
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patent: 2002/0092030 (2002-07-01), Gu
Lasser Menahem
Ronen Amir
Friedman Mark M.
M-Systems Flash Disk Pioneers Ltd.
Nguyen Van Thu
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