(19)

(11)

EP 0 165 990 A1

(12)

(43) Date of publication: 02.01.1986 Bulletin 1986/01 (21) Application number: 85900536.0 (22) Date of filing: 14.12.1984

(51) International Patent Classification (IPC):  H01L 31/ 0224( . ) H01L 31/ 18( . ) H01L 31/ 068( . ) (86) International application number: PCT/US1984/002066 (87) International publication number: WO 1985/002943 (04.07.1985 Gazette 1985/15)

(84) Designated Contracting States: FR (30) Priority: 19.12.1983 US 19830563132 31.10.1984 US 19840666973 13.12.1984 US 19840681498 (71) Applicant: MOBIL SOLAR ENERGY CORPORATION Billerica, Massachusetts 01821 (US)	(72) Inventors: HANOKA, Jack, I. Brookline, MA 02106 (US) YATES, Douglas, A. Burlington, MA 01803 (US) GREGORY, James, A. Sudbury, MA 01776 (US) (74) Representative: Lemoine, Robert, et al  Cabinet Malémont 42, Avenue du Président Wilson F-75116 Paris F-75116 Paris (FR)