Static information storage and retrieval – Floating gate – Particular biasing
Reexamination Certificate
2005-08-02
2005-08-02
Nguyen, Viet Q. (Department: 2827)
Static information storage and retrieval
Floating gate
Particular biasing
C365S185090, C365S185110, C711S103000, C711S152000, C711S160000, C711S202000, C711S221000
Reexamination Certificate
active
06925012
ABSTRACT:
A semiconductor disk wherein a flash memory into which data is rewritten in block unit is employed as a storage medium, the semiconductor disk including a data memory in which file data are stored, a substitutive memory which substitutes for blocks of errors in the data memory, an error memory in which error information of the data memory are stored, and a memory controller which reads data out of, writes data into and erases data from the data memory, the substitutive memory and the error memory. Since the write errors of the flash memory can be remedied, the service life of the semiconductor disk can be increased.
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Furuno Takeshi
Hayashi Yoshihiro
Kaki Kenichi
Katayama Kunihiro
Terada Kouichi
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Nguyen Viet Q.
Renesas Technology Corp.
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