FR2820241-A1  PATENT ABSTRACTS OF JAPAN vol. 017, no. 378 (E-1398), 15 juillet 1993 (1993-07-15) & JP 05 063224 A (FUJI ELECTRIC CO LTD), 12 mars 1993 (1993-03-12);  PATENT ABSTRACTS OF JAPAN vol. 017, no. 378 (E-1398), 15 juillet 1993 (1993-07-15)&JP 05 063224 A (FUJI ELECTRIC CO LTD), 12 mars 1993 (1993-03-12)WO200265554-A1  PATENT ABSTRACTS OF JAPAN vol. 017, no. 378 (E-1398), 15 juillet 1993 (1993-07-15) & JP 05 063224 A (FUJI ELECTRIC CO LTD), 12 mars 1993 (1993-03-12);  PATENT ABSTRACTS OF JAPAN vol. 017, no. 378 (E-1398), 15 juillet 1993 (1993-07-15)&JP 05 063224 A (FUJI ELECTRIC CO LTD), 12 mars 1993 (1993-03-12)EP1356528-A1  See references of WO 02065554A1US8148631-B2  J.H. Scofield A. Duda, D. Albin, B.L. Ballard and P.K. Predecki, "Sputtered molybdenum bilayer back contact for copper indium diselenide-based polycrystalline thin-film solar cells", Thin Solid Films 260 (1995) 26-31.;  M. Nishitani, T. Negami, N. Kohara, and T. Wada, Analysis of transient photocurrents in Cu(In,Ga)Se2 thin film solar cells, Oct. 1, 1997, J. Appl. Phys, 82, 7, 3572-3575.;  David F. Dawson-Elli et al., Substrate Influences on CIS Device Performance, Dec. 5-9, 1994, pp. 152-155.;  J. Kessler et al., New World Record Cu(ln,Ga)Se2, Based Mini-Module : 16.6 %, May 1-5, 2000, pp. 1-4.US8809668-B2  David F. Dawson_Elli et al. Substrate Influences on CIS Device Performance, Dec. 5-9, 1994, pp. 152-155.;  J. Kessler et al., New World Record Cu(In,Ga)Se2, Based Mini-Module 16.6 %, May 1-5, 2000, pp. 1-4.;  M. Nishitani, T. Negami, N. Kohara, and T. Wada, Analysis of transient photocurrents in Cu(In,Ga)Se2 thin film solar cells, Oct. 1, 1997, J. Appl. Phys, 82, 7, 3572-3575.;  J.H. Scofield A. Duda, D. Albin. B.L. Ballard and P.K. Predecki, "Sputtered molybdenum bilayer back contact for copper indium diselenide-based polycrystalline thin-film solar cells", Thin Solid Films 260 (1995) 26-31.EP2369635-A3  PATENT ABSTRACTS OF JAPAN vol. 017, no. 378 (E - 1398) 15 July 1993 (1993-07-15);  PATENT ABSTRACTS OF JAPAN vol. 017, no. 378 (E - 1398) 15 July 1993 (1993-07-15),relevantClaims[1,6,11-15],relevantPassages[&lt;pp&gt;A&lt;/pp&gt;]