SEMICONDUCTOR MEMORY DEVICE - Patent 0020708

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EP 0 020 708 A1

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(43)	Date of publication:
	07.01.1981 Bulletin 1981/01

(21)	Application number: 80900104.0

(22)	Date of filing: 26.11.1979

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International Patent Classification (IPC):

H01L 29/ 78^{( . )}
G11C 16/ 04^{( . )}
H01L 27/ 10^{( . )}
H01L 29/ 792^{( . )}

G11C 11/ 34^{( . )}
H01L 21/ 31^{( . )}
H01L 29/ 10^{( . )}

(86)	International application number:
	PCT/US1979/001025

(87)	International publication number:
	WO 1980/001122 (29.05.1980 Gazette 1980/12)

(84)	Designated Contracting States:
	DE GB NL

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Priority:

27.11.1978 US 19780964014

(71)	Applicant: NCR CORPORATION
	Dayton, Ohio 45479 (US)

(72)	Inventors:
	TRUDEL, Murray Lawrence Centerville, OH 45459 (US) LOCKWOOD, George Corbin Dayton, OH 45429 (US) EVANS, Gilbert, Glenn Kettering, OH 45409 (US)

(74)	Representative: Robinson, Robert George
	International Patent Department NCR Limited 206 Marylebone Road London NW1 6LY London NW1 6LY (GB)

(54)	SEMICONDUCTOR MEMORY DEVICE