WO9003952-A  8TH EUROPEAN PHOTOVOLTAIC SOLAR ENERGY CONFERENCE, Florence, Italy, 9-13 May 1988, URBACH, &quot;Important Factors Determining the Removal of SiC from Silicon Employed for the Production of Solar Cells&quot;, pages 1-5.;  IEEE TRANSACTIONS ON ELECTRONIC DEVICES, Volume FE-27, No. 4, April 1980, SAITOH et al.: &quot;Impurity gettering of polycrystalline Solar Cells Fabricated from Refined Metallurgical-grade Silicon&quot;, pages 671-677.;  JOURNAL OF CRYSTAL GROWTH, 20, 1975, WALD et al.: &quot;Natural and Forced Convention During Solution growth of CdTe by the Traveling Heater Method (THM)&quot;, pages 29-36.;  JOURNAL OF CRYSTAL GROWTH, 47, 1979, KURODA et al.: &quot;Growth and Characterization of Polycrystalline Silicon Ingots from Metallurgical Grade Silicon Source&quot;, pages 251-260.;  MATERIALS PROCESSING THEORY AND PRACTICES, Volume 6, 1987, North Holland Publishing Co, Amsterdam, NL, &quot;Silicon Processing for Photovoltaics II&quot;, chapter 6, DEITL, Metallurgical Ways of Silicon Meltstock Processing, pages 285-351.;  MATERIALS PROCESSING THEORY AND PRACTICES, Volume 6, 1987, North Holland Publishing Co, Amsterdam, NL, &quot;Silicon Processing for photovoltaics II&quot;, Chapter 6, DEITL, Metallurgical Ways of Silicon Meltstock processing&quot;, pages 285-351.;  METALS, Volume 11, June 1978, DOSAJ et al.: &quot;High purity Silicon for Solar Cell Applications&quot;, pages 8-13.;  PFANN, WILLIAM G, ZONE MELTING, 2nd Edition, 1978, Robert E. Kripger Publishing Company, Huntington, New York, pages 3-4, 141-142.;  PROCEEDINGS OF THE 11TH CONFERENCE (1979 INTERNATIONAL) ON SOLID STATE DEVICES, TOKYO, 1979; JAPANESE JOURNAL OF APPLIED PHYSICS, Volume 19, (1980), Supplement 19-1, WARABISAKO et al.: &quot;Efficient Solar Cells form Metallurgical Silicon&quot;, pages 539-544.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COST POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: HWANG, H.L., &quot;Process and Product Development in Taiwan&quot;, pages 233-249.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: AULICH et al., &quot;Solar Grade Silicon Prepared by Carbothermic Reduction of Silicon&quot;, pages 267-278.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: DIETHL, J., &quot;Refining of Metallurgical Silicon&quot;, pages 251-266.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: NODA, TOSHIO, &quot;Process and Product Development in Japan&quot;, pages 213-231.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: RUSTIONI et al., &quot;Solar Silicon from Directional Solidification of MG Silicon produced via the Silicon Carbide Route&quot;, pages 292-321.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: SCHEI, ANDERS, &quot;A Metallurgical Route to Solar-Grade Silicon&quot;, pages 279-295.;  SOLAR ENERGY MATERIALS 6, 1982, PIZZINI, &quot;Solar Grade Silicon as a Potential Candidate Material for Low Cost Terrestial Solar Cells&quot;, pages 253-297.;  SOLAR ENERGY MATERIALS 6, 1982, PIZZINI, &quot;Solar grade Silicon as a Potential Candidate Material for Low Cost Terrestial Solar Cells&quot;, pages 253-297.;  SOLAR ENERGY MATERIALS, 6, 1982, North-Holland Publishing Co, PIZZINI, SERGIO, &quot;Solar Grade Silicon as a Potential Candidate Material for Low Cost Terrestial Solar Cells&quot;, pages 253-297.;  THIRD E.C. PHOTOVOLTAIC SOLAR ENERGY CONFERENCE, Cannes, France, 27-31 October 1980, D. Reidel Publishing Co. Boston, USA, SCHMIDT et al.: &quot;Directional Solidification of MG Silicon by Heat Exchange Method (HEM) for Photovoltaic Applications&quot;, pages 252-256.;  THIRD E.C. PHOTOVOLTAIC SOLAR ENERGY CONFERENCE, Cannes, France, 27-31 October 1980, D. Reidel Publishing Co. Boston, USA; SCHMID et al.: &quot;Directional Solidification of MG Silicon by Heat Exchange Method (HEM) for Photovoltaic Applications&quot;, pages 252-256.;  THIRTEENTH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE - 1978, Washington DC, 5-8 June 1978, HANOKA et al., &quot;Efficient polycrystalline Solar Cells Made from Low-Cost Refined Metallurgical Silicon&quot;.;  JOURNAL OF CRYSTAL GROWTH, 8, 1971, SHEEL et al.: &quot;Flux growth of Large Crystals by Accelerated crucible rotation technique&quot;, pages 304-306.;  PROCEEDINGS OF THE SYMPOSIA ON ELECTRONIC AND OPTICAL PROPERTIES OF POLYCRYSTALLINE OR IMPURE SEMICONDUCTORS AND NOVEL SILICON GROWTH METHODS, May 1980, The Electrochemical Society, Pennington, New Jersey: KHATTAH et al., &quot;Single Crystal Growth of Upgraded Metallurgical Silicon by HEM for Photovoltaic Applications&quot;, pages 223-231.;  8TH EUROPEAN PHOTOVOLTAIC SOLAR ENERGY CONFERENCE, Florence, Italy, 9-13 May 1988, URBACH, "Important Factors Determining the Removal of SiC from Silicon Employed for the Production of Solar Cells", pages 1-5.;  IEEE TRANSACTIONS ON ELECTRONIC DEVICES, Volume FE-27, No. 4, April 1980, SAITOH et al.: "Impurity gettering of polycrystalline Solar Cells Fabricated from Refined Metallurgical-grade Silicon", pages 671-677.;  JOURNAL OF CRYSTAL GROWTH, 20, 1975, WALD et al.: "Natural and Forced Convention During Solution growth of CdTe by the Traveling Heater Method (THM)", pages 29-36.;  JOURNAL OF CRYSTAL GROWTH, 47, 1979, KURODA et al.: "Growth and Characterization of Polycrystalline Silicon Ingots from Metallurgical Grade Silicon Source", pages 251-260.;  JOURNAL OF CRYSTAL GROWTH, 8, 1971, SHEEL et al.: "Flux growth of Large Crystals by Accelerated crucible rotation technique", pages 304-306.;  MATERIALS PROCESSING THEORY AND PRACTICES, Volume 6, 1987, North Holland Publishing Co, Amsterdam, NL, "Silicon Processing for Photovoltaics II", chapter 6, DEITL, Metallurgical Ways of Silicon Meltstock Processing, pages 285-351.;  MATERIALS PROCESSING THEORY AND PRACTICES, Volume 6, 1987, North Holland Publishing Co, Amsterdam, NL, "Silicon Processing for photovoltaics II", Chapter 6, DEITL, Metallurgical Ways of Silicon Meltstock processing", pages 285-351.;  METALS, Volume 11, June 1978, DOSAJ et al.: "High purity Silicon for Solar Cell Applications", pages 8-13.;  PROCEEDINGS OF THE 11TH CONFERENCE (1979 INTERNATIONAL) ON SOLID STATE DEVICES, TOKYO, 1979; JAPANESE JOURNAL OF APPLIED PHYSICS, Volume 19, (1980), Supplement 19-1, WARABISAKO et al.: "Efficient Solar Cells form Metallurgical Silicon", pages 539-544.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COST POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: HWANG, H.L., "Process and Product Development in Taiwan", pages 233-249.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: AULICH et al., "Solar Grade Silicon Prepared by Carbothermic Reduction of Silicon", pages 267-278.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: DIETHL, J., "Refining of Metallurgical Silicon", pages 251-266.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: NODA, TOSHIO, "Process and Product Development in Japan", pages 213-231.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: RUSTIONI et al., "Solar Silicon from Directional Solidification of MG Silicon produced via the Silicon Carbide Route", pages 292-321.;  PROCEEDINGS OF THE FLAT-PLATE SOLAR ARRAY WORKSHOP ON LOW COSTS POLYSILICON FOR TERRESTIAL PHOTOVOLTAIC SOLAR-CELL APPLICATIONS, 28-30 October 1988, Las Vegas, Nevada, February 1986, Jet Propulsion Laboratory, Pasadena, California: SCHEI, ANDERS, "A Metallurgical Route to Solar-Grade Silicon", pages 279-295.;  PROCEEDINGS OF THE SYMPOSIA ON ELECTRONIC AND OPTICAL PROPERTIES OF POLYCRYSTALLINE OR IMPURE SEMICONDUCTORS AND NOVEL SILICON GROWTH METHODS, May 1980, The Electrochemical Society, Pennington, New Jersey: KHATTAH et al., "Single Crystal Growth of Upgraded Metallurgical Silicon by HEM for Photovoltaic Applications", pages 223-231.;  SOLAR ENERGY MATERIALS 6, 1982, PIZZINI, "Solar Grade Silicon as a Potential Candidate Material for Low Cost Terrestial Solar Cells", pages 253-297.;  SOLAR ENERGY MATERIALS 6, 1982, PIZZINI, "Solar grade Silicon as a Potential Candidate Material for Low Cost Terrestial Solar Cells", pages 253-297.;  SOLAR ENERGY MATERIALS, 6, 1982, North-Holland Publishing Co, PIZZINI, SERGIO, "Solar Grade Silicon as a Potential Candidate Material for Low Cost Terrestial Solar Cells", pages 253-297.;  THIRD E.C. PHOTOVOLTAIC SOLAR ENERGY CONFERENCE, Cannes, France, 27-31 October 1980, D. Reidel Publishing Co. Boston, USA, SCHMIDT et al.: "Directional Solidification of MG Silicon by Heat Exchange Method (HEM) for Photovoltaic Applications", pages 252-256.;  THIRD E.C. PHOTOVOLTAIC SOLAR ENERGY CONFERENCE, Cannes, France, 27-31 October 1980, D. Reidel Publishing Co. Boston, USA; SCHMID et al.: "Directional Solidification of MG Silicon by Heat Exchange Method (HEM) for Photovoltaic Applications", pages 252-256.;  THIRTEENTH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE - 1978, Washington DC, 5-8 June 1978, HANOKA et al., "Efficient polycrystalline Solar Cells Made from Low-Cost Refined Metallurgical Silicon".