(19)

(11)

EP 0 167 599 A1

(12)

(43) Date of publication: 15.01.1986 Bulletin 1986/03 (21) Application number: 85900565.0 (22) Date of filing: 20.12.1984

(51) International Patent Classification (IPC):  G11C 11/ 41( . ) H01L 27/ 07( . ) H01L 27/ 102( . ) G11C 11/ 411( . ) H01L 27/ 10( . ) H01L 29/ 872( . ) (86) International application number: PCT/US1984/002124 (87) International publication number: WO 1985/003168 (18.07.1985 Gazette 1985/16)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 12.01.1984 US 19840570066 (71) Applicant: ADVANCED MICRO DEVICES, INC. Sunnyvale, CA 94088 (US)	(72) Inventor: WONG, Thomas, S., W. San Jose, CA 95127 (US) (74) Representative: Wright, Hugh Ronald, et al  Brookes & Martin 52/54 High Holborn London WC1V 6SE London WC1V 6SE (GB)