Fishing – trapping – and vermin destroying
Patent
1993-01-26
1994-09-20
Fourson, George
Fishing, trapping, and vermin destroying
437984, 437909, H01L 21265
Patent
active
053488989
ABSTRACT:
The present invention deals with a semiconductor memory circuit device, in which a memory array portion of a rectangular shape consisting of semiconductor non-volatile memory elements is formed on a main surface of the semiconductor substrate, a low voltage driver circuit (decoder) is formed along a side of the memory array portion, and a high voltage driver circuit is formed along an opposite side of the memory array portion. This permits a reduction in word line length and avoids crossing of the word lines to permit increased operation speed and, particularly, increased reading speed.
REFERENCES:
patent: 4385432 (1983-05-01), Kuo et al.
patent: 4586238 (1986-05-01), Yatsuda et al.
patent: 4851364 (1989-07-01), Yatsuda et al.
patent: 5114870 (1992-05-01), Yatsuda et al.
Hagiwara Takaaki
Itoh Yokichi
Kondo Ryuji
Minami Shin-ichi
Yatsuda Yuji
Booth Richard A.
Fourson George
Hitachi , Ltd.
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