(19)

(11)

EP 0 124 593 A1

(12)

(43) Date of publication: 14.11.1984 Bulletin 1984/46 (21) Application number: 83903743.0 (22) Date of filing: 01.11.1983

(51) International Patent Classification (IPC):  H05K 7/ 10( . ) (86) International application number: PCT/US1983/001692 (87) International publication number: WO 1984/001859 (10.05.1984 Gazette 1984/12)

(84) Designated Contracting States: DE FR GB (30) Priority: 05.11.1982 US 19820439389 (71) Applicant: Western Electric Company, Incorporated New York, NY 10038 (US)	(72) Inventors: BAKER, Paul, Abner Columbus, OH 43209 (US) STRAUTZ, Michael, Gabriel Columbus, OH 43229 (US) (74) Representative: Watts, Christopher Malcolm Kelway, Dr., et al  AT&T (UK) Ltd. 5, Mornington Road Woodford Green Essex, IG8 0TU Woodford Green Essex, IG8 0TU (GB)