Static information storage and retrieval – Floating gate – Particular biasing
Reexamination Certificate
2007-06-21
2009-08-25
Yoha, Connie C (Department: 2827)
Static information storage and retrieval
Floating gate
Particular biasing
C365S185180, C365S185230
Reexamination Certificate
active
07580290
ABSTRACT:
To program a set of non-volatile storage elements, a set of programming pulses are applied to the control gates (or other terminals) of the non-volatile storage elements. The programming pulses have a constant pulse width and increasing magnitudes until a maximum voltage is reached. At that point, the magnitude of the programming pulses stops increasing and the programming pulses are applied in a manner to provide varying time duration of the programming signal between verification operations. In one embodiment, for example, after the pulses reach the maximum magnitude the pulse widths are increased. In another embodiment, after the pulses reach the maximum magnitude multiple program pulses are applied between verification operations.
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Fong Yupin
Wan Jun
SanDisk Corporation
Vierra Magen Marcus & DeNiro LLP
Yoha Connie C
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