US5356839-A  Contract No. DE-AC02-83CH10093WO9424696-A1  See also references of EP 0694209A;  See also references of EP 0694209A1EP694209-A1  JOURNAL OF APPLIED PHYSICS, vol. 70, no. 7, 1 October 1991, NEW YORK, USA, pages R81-R97, XP000267609 ROCKETT A ET AL: "CUINSE2 FOR PHOTOVOLTAIC APPLICATIONS";  PHOTOVOLTAIC ADVANCED RESEARCH AND DEVELOPMENT PROJECT. AIP CONFERENCE PROCEEDINGS 268, 1992, DENVER, USA, pages 186-193, XP002039384 J.R. TUTTLE ET AL.: "Novel processing and device structures in thin-film CuInSe2-based solar cells ";  PROCEEDINGS OF THE PHOTOVOLTAIC SPECIALISTS CONFERENCE, LOUISVILLE, MAY 10 - 14, 1993, no. CONF. 23, 10 May 1993, INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 415-421, XP000437974 TUTTLE J R ET AL: "HIGH EFFICIENCY THIN-FILM CU(IN,GA)SE2-BASED PHOTOVOLTAIC DEVICES: PROGRESS TOWARDS A UNIVERSAL APPROACH TO ABSORBER FABRICATION";  SOLAR CELLS, vol. 16, no. 1/4, January 1986, LAUSANNE CH, pages 91-100, XP002039191 M.L. FEARHEILEY: "THE PHASE RELATIONSHIP IN THE Cu,In,Se SYSTEM AND THE GROWTH OF CuInSe2 SINGLE CRYSTALS";  SOLAR CELLS, vol. 27, no. 1 - 04, 1 October 1989, LAUSANNE, CH, pages 231-236, XP000086786 TUTTLE J R ET AL: "CHARACTERIZATION OF THIN FILM CUINSE2 AND CUGASE2: THE EXISTENCE AND IDENTIFICATION OF SECONDARY PHASES";  SOLAR CELLS, vol. 30, no. 1 / 04, 1 May 1991, LAUSANNE, CH, pages 21-38, XP000243391 TUTTLE J R ET AL: "THOUGHTS ON THE MICROSTRUCTURE OF POLYCRYSTALLINE THIN FILM CUINSE2 AND ITS IMPACT ON MATERIAL AND DEVICE PERFORMANCE";  See also references of WOA 9424696;  See also references of WO 9424696A1EP694209-B1  JOURNAL OF APPLIED PHYSICS, vol. 70, no. 7, 1 October 1991, NEW YORK, USA, pages R81-R97, XP000267609 ROCKETT A ET AL: "CUINSE2 FOR PHOTOVOLTAIC APPLICATIONS";  PHOTOVOLTAIC ADVANCED RESEARCH AND DEVELOPMENT PROJECT. AIP CONFERENCE PROCEEDINGS 268, 1992, DENVER, USA, pages 186-193, XP002039384 J.R. TUTTLE ET AL.: "Novel processing and device structures in thin-film CuInSe2-based solar cells ";  PROCEEDINGS OF THE PHOTOVOLTAIC SPECIALISTS CONFERENCE, LOUISVILLE, MAY 10 - 14, 1993, no. CONF. 23, 10 May 1993, INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 415-421, XP000437974 TUTTLE J R ET AL: "HIGH EFFICIENCY THIN-FILM CU(IN,GA)SE2-BASED PHOTOVOLTAIC DEVICES: PROGRESS TOWARDS A UNIVERSAL APPROACH TO ABSORBER FABRICATION";  SOLAR CELLS, vol. 16, no. 1/4, January 1986, LAUSANNE CH, pages 91-100, XP002039191 M.L. FEARHEILEY: "THE PHASE RELATIONSHIP IN THE Cu,In,Se SYSTEM AND THE GROWTH OF CuInSe2 SINGLE CRYSTALS";  SOLAR CELLS, vol. 27, no. 1 - 04, 1 October 1989, LAUSANNE, CH, pages 231-236, XP000086786 TUTTLE J R ET AL: "CHARACTERIZATION OF THIN FILM CUINSE2 AND CUGASE2: THE EXISTENCE AND IDENTIFICATION OF SECONDARY PHASES";  SOLAR CELLS, vol. 30, no. 1 / 04, 1 May 1991, LAUSANNE, CH, pages 21-38, XP000243391 TUTTLE J R ET AL: "THOUGHTS ON THE MICROSTRUCTURE OF POLYCRYSTALLINE THIN FILM CUINSE2 AND ITS IMPACT ON MATERIAL AND DEVICE PERFORMANCE"