Static information storage and retrieval – Systems using particular element – Amorphous
Reexamination Certificate
2011-07-12
2011-07-12
Elms, Richard (Department: 2824)
Static information storage and retrieval
Systems using particular element
Amorphous
C365S148000, C365S185230
Reexamination Certificate
active
07978509
ABSTRACT:
A phase change memory device includes a memory cell, first word line conductor and a second word line conductor, and first and second access devices responsive to the first and second word line conductors respectively. Control circuits are arranged to access the memory cell for read operations using only the first word line conductor to establish a current path from the bit line through the memory cell to a source line through the first access device, and to access the memory cell for operations to reset the memory cell using both the first and second access devices to establish a current path from the bit line through the memory cell to two source lines.
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Lam Chung Hon
Lung Hsiang-Lan
Byrne Harry W
Elms Richard
Haynes Beffell & Wolfeld LLP
International Business Machines - Corporation
Macronix International Co. Ltd.
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