(19)

(11)

EP 1 799 879 A1

(12)

(43) Date of publication: 27.06.2007 Bulletin 2007/26 (21) Application number: 04784214.1 (22) Date of filing: 14.09.2004

(51) International Patent Classification (IPC):  C23C 16/54(2006.01) (86) International application number: PCT/US2004/030275 (87) International publication number: WO 2006/031234 (23.03.2006 Gazette 2006/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (71) Applicant: OptiSolar Inc. Hayward, CA 94544-7916 (US)	(72) Inventors: KESHNER, Marvin S. Mountain View, CA 94043 (US) MCCLELLAND, Paul H. Monmouth, Oregon 97361 (US) (74) Representative: Wilson Gunn  5th Floor Blackfriars House The Parsonage Manchester M3 2JA Manchester M3 2JA (GB)