DE4304858-A1  Solar Cells, 18, 1986, S. 163-170FR2687845-A1  EIGHT E.C. PHOTOVOLTAIC SOLAR ENERGY CONFERENCE, Florence, Italy, 9-13 Mai 1988, pages 949-953, KLUWER, Dordrecht, NL; K. BAERT et al. : "Characterization of screenprinted;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 232 (E-765)29 Mai 1989 & JP-A-01 039 079 (MATSUSHITA ELECTRIC IND CO LTD) 9 Fevrier 1989US5328520-A  A. Blakers et al, J. Vac. Sci. Technol., vol. 20, No. 1, Jan. 1982, pp. 13-15;  I. R. Lawrence, Conference Record, 14th IEEE Photovoltaic Specialists Conf., Jan. 1980, pp. 541-544;  Mathias, "Additive Direct Writing: An Emerging Technology", Micropen, Inc. Pittsford, N.Y., Apr. 1989;  Micropen Brochure, Micropen, Inc., Pittsford, N.Y. no date of publication;  Micropen Direct Writing And Precision Dispensing Systems, Brochure, Micropen, Inc, Pittsford, N.Y. no date of publicationUS5389573-A  Baert et al, "Characterization of Screenprinted Contacts on a-Si:H Solar Cells with a Micro C-Si Top Layer", 8th E.C. Photovoltaic Solar Energy Conference, (May 1988), pp. 949-952;  Blakers et al, "Fabrication Of Thick Narrow Electrodes On Concentrator Solar Cells", Journal of Vacuum Science, vol. 20, No. 1, 1982, pp. 13-15;  Lawrence, "Thick Film Conductive Ink Contacts For Concentrator Cells", Conference Record, 14th IEEE Photovoltaic Specialists Conference, 1980, pp. 541-544;  Mathias, "Additive Direct Writing: An Emerging Technology", Micropen, Inc., Pittsford, N.Y. 14534 Publication Date Unavailable;  Micropen Direct Writing and Precision Dispensing System Publication Date Unavailable;  Micropen Product Literature Publication Date Unavailable;  Therez et al, "AlGaAs-GaAs Solar Cell Development: Electrical Analysis And Prospects For Space Application", Solar Cells, vol. 18, 1986, pp. 163-170US5498289-A  Blakers et al, "Fabrication Of Thick Narrow Electrodes On Concentrator Solar Cells", Journal of Vacuum Science, vol. 20, No. 1, 1982, pp. 13-15;  Lawrence, "Thick Film Conductive Ink Contacts For Concentrator Cells", Conference Record, 14th IEEE Photovoltaic Specialists Conference, 1980, pp. 541-544;  Mathias, "Additive Direct Writing: An Emerging Technology", Micropen, Inc., Pittsford, N.Y., Apr. 1989;  Micropen Brochure, Micropen, Inc. Pittsford, N.Y.;  Micropen Direct Writing and Precision Dispensing System, Brochure, Micropen, Inc., Pittsford, NYDE4304858-C2  Solar Cells, 18, 1986, S. 163-170