WO2003054967-A1  MATSUOKA T ET AL: "A NEW SOLAR CELL ROOFING TILE" SOLAR CELLS, ELSEVIER SEQUOIA.S.A. LAUSANNE, CH, vol. 29, no. 4, 1 October 1990 (1990-10-01), pages 361-368, XP000147941;  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 03, 29 March 1996 (1996-03-29) -& JP 07 302924 A (CANON INC), 14 November 1995 (1995-11-14);  ICHIKAWA Y ET AL: "FLEXIBLE A-SI BASED SOLAR CELLS WITH PLASTIC FILM SUBSTRATE" , AMORPHOUS AND HETEROGENEOUS SILICON THIN FILMS: FUNDAMENTALS TO DEVICES - 1999. SAN FRANCISCO, CA APRIL 5 - 9, 1999, MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS. VOL. 557, WARRENDALE, PA: MRS, US, VOL. VOL. 557, PAGE(S) 703-712 XP000895242 ISBN: 1-55899-464-5 cited in the application the whole document;  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 03, 29 March 1996 (1996-03-29) -&JP 07 302924 A (CANON INC), 14 November 1995 (1995-11-14)NL1019701-C2  MATSUOKA T ET AL: "A NEW SOLAR CELL ROOFING TILE" SOLAR CELLS, ELSEVIER SEQUOIA.S.A. LAUSANNE, CH, deel 29, nr. 4, 1 Oktober 1990 (1990-10-01), bladzijden 361-368, XP000147941;  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 03, 29 Maart 1996 (1996-03-29) -& JP 07 302924 A (CANON INC), 14 November 1995 (1995-11-14);  ICHIKAWA Y ET AL: "FLEXIBLE A-SI BASED SOLAR CELLS WITH PLASTIC FILM SUBSTRATE" , AMORPHOUS AND HETEROGENEOUS SILICON THIN FILMS: FUNDAMENTALS TO DEVICES - 1999. SAN FRANCISCO, CA APRIL 5 - 9, 1999, MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS. VOL. 557, WARRENDALE, PA: MRS, US, VOL. VOL. 557, PAGE(S) 703-712 XP000895242 ISBN: 1-55899-464-5 het gehele document;  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 03, 29 Maart 1996 (1996-03-29) -&JP 07 302924 A (CANON INC), 14 November 1995 (1995-11-14);  ICHIKAWA Y ET AL: "FLEXIBLE A-SI BASED SOLAR CELLS WITH PLASTIC FILM SUBSTRATE", AMORPHOUS AND HETEROGENEOUS SILICON THIN FILMS: FUNDAMENTALS TO DEVICES - 1999. SAN FRANCISCO, CA APRIL 5 - 9, 1999, MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS. VOL. 557, WARRENDALE, PA: MRS, US, VOL. VOL. 557, PAGE(S) 703-712, ISBN: 1-55899-464-5, XP000895242;  MATSUOKA T ET AL: "A NEW SOLAR CELL ROOFING TILE", SOLAR CELLS, ELSEVIER SEQUOIA.S.A. LAUSANNE, CH, vol. 29, no. 4, 1 October 1990 (1990-10-01), pages 361 - 368, XP000147941;  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 03 29 March 1996 (1996-03-29);  ICHIKAWA Y ET AL: "FLEXIBLE A-SI BASED SOLAR CELLS WITH PLASTIC FILM SUBSTRATE", AMORPHOUS AND HETEROGENEOUS SILICON THIN FILMS: FUNDAMENTALS TO DEVICES - 1999. SAN FRANCISCO, CA APRIL 5 - 9, 1999, MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS. VOL. 557, WARRENDALE, PA: MRS, US, VOL. VOL. 557, PAGE(S) 703-712, ISBN: 1-55899-464-5, XP000895242,relevantClaims[9,10|1-3,5-8,12,13],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;];  MATSUOKA T ET AL: "A NEW SOLAR CELL ROOFING TILE", SOLAR CELLS, ELSEVIER SEQUOIA.S.A. LAUSANNE, CH, vol. 29, no. 4, 1 October 1990 (1990-10-01), pages 361 - 368, XP000147941,relevantClaims[1,3,7,8],relevantPassages[&lt;pp&gt;362&lt;/pp&gt;&lt;ppl&gt;365&lt;/ppl&gt;&lt;figure&gt;1-6&lt;/figure&gt;];  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 03 29 March 1996 (1996-03-29),relevantClaims[1,4-6],relevantPassages[&lt;pp&gt;A&lt;/pp&gt;]