Laser programmable memory array
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United States of America Patent
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Oct 3, 1989
Grant Date -
N/A
app pub date -
May 19, 1987
filing date -
May 19, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention discloses a laser programmable read only semiconductor-based memory array comprised of memory cells, a group of word lines, a group of bit lines. Each of the memory cells is connected to one of the group of bit lines, and one of the group of word lines and each memory cell is comprised of a memory element and a laser programmable link. In one embodiment, each memory cell is comprised of a transistor and a laser programmable link composed of the same material as either the word or the bit lines. Programming is accomplished by laser coding of the links.
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