Static information storage and retrieval – Floating gate – Multiple values
Reexamination Certificate
2011-04-12
2011-04-12
Ho, Hoai V (Department: 2827)
Static information storage and retrieval
Floating gate
Multiple values
Reexamination Certificate
active
07924613
ABSTRACT:
A method for data storage includes storing first data in analog memory cells using a first programming operation, which writes to the memory cells respective analog values representing respective bit values of the first data. Second data is stored in the analog memory cells in addition to the first data using a second programming operation, which modifies the respective analog values of the memory cells so as to represent bit value combinations of the first and second data. The first and second programming operations are defined such that, at all times during the second programming operation, the analog value of each memory cell remains unambiguously indicative of the respective bit value of the first data stored in that memory cell.
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patent: 7257027 (2
Shalvi Ofir
Sommer Naftali
Winter Shai
Anobit Technologies Ltd.
D. Kligler I.P. Services Ltd
Ho Hoai V
Tran Anthan T
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