(19)

(11)

EP 0 077 337 A1

(12)

(43) Date of publication: 27.04.1983 Bulletin 1983/17 (21) Application number: 82901076.0 (22) Date of filing: 22.02.1982

(51) International Patent Classification (IPC):  H01L 29/ 78( . ) H01L 29/ 08( . ) (86) International application number: PCT/US1982/000217 (87) International publication number: WO 1982/002981 (02.09.1982 Gazette 1982/21)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 23.02.1981 US 19810237323 (71) Applicant: MOTOROLA, INC. Schaumburg, IL 60196 (US)	(72) Inventor: TERRY, Lewis E. Phoenix, AZ 85018 (US)