(19)

(11)

EP 0 101 737 A1

(12)

(43) Date of publication: 07.03.1984 Bulletin 1984/10 (21) Application number: 83902631.0 (22) Date of filing: 09.02.1983

(51) International Patent Classification (IPC):  H01L 29/ 78( . ) H01L 21/ 225( . ) (86) International application number: PCT/US1983/000169 (87) International publication number: WO 1983/003029 (01.09.1983 Gazette 1983/20)

(84) Designated Contracting States: DE FR NL (30) Priority: 26.02.1982 US 19820352519 (71) Applicant: Western Electric Company, Incorporated New York, NY 10038 (US)	(72) Inventor: KINSBRON, Eliezer Highland Park, NJ 08904 (US) (74) Representative: Blumbach Weser Bergen Kramer Zwirner Hoffmann Patentanwälte  Radeckestrasse 43 D-81245 München D-81245 München (DE)