Fishing – trapping – and vermin destroying
Patent
1988-01-27
1989-05-16
Hearn, Brian E.
Fishing, trapping, and vermin destroying
437 48, 437 51, 437 61, 437187, 437229, H01L 2170
Patent
active
048309770
ABSTRACT:
A semiconductor memory device having wiring formed next to word lines at the extreme ends of the memory cell arrays or next to word lines of the dummy cell arrays, in order to prevent such word lines from breaking or from becoming deformed. The wiring is irrelevant to the circuit operation, but is provided with a fixed potential, and is formed through the steps of forming the word lines. The wiring makes the processing conditions applied to the neighboring word lines the same as the processing conditions applied to other word lines.
REFERENCES:
patent: 4449207 (1984-05-01), Kung et al.
patent: 4685089 (1987-08-01), Patel et al.
patent: 4713678 (1987-12-01), Womack et al.
Arakawa Yuji
Endo Akira
Horino Nozomi
Katto Hisao
Sugiura June
Hearn Brian E.
Hitachi , Ltd.
Thomas Tom
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