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  • 1
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    Studies and testing of antireflective (AR) coatings for soda-lime glass (1978)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Processes for producing antireflection films on glass are concentrated in three areas: acid etching of glass, plasma etching of glass, and acid development of sodium silicate films on glass. The best transmission was achieved through the acid etching technique, while the most durable films were produced from development of sodium silicate films. Control of the acid etching technique is presently inadequate for production implementation. While films having excellent antireflective properties were fabricated by plasma etching techniques, all were water soluble.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-157323 , DOE/JPL-954773-78/1 , REPT-2335/1
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Phase 1 of the automated array assembly task of the low cost silicon solar array project (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The state of technology readiness for the automated production of solar cells and modules is reviewed. Individual process steps and process sequences for making solar cells and modules were evaluated both technically and economically. High efficiency with a suggested cell goal of 15% was stressed. It is concluded that the technology exists to manufacture solar cells which will meet program goals.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-155935 , ERDA/JPL-954363-77/1 , REPT-2258/4
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    The Pd2Si - /Pd/ - Ni - solder plated metallization system for silicon solar cells (1978)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The rationale and application of a plated metal system, Pd2Si Pd - Ni - solder, is presented. This metallization system is particularly useful on shallow p-n junction solar cells. The advantages of such plated solar cell contacts are discussed. A process sequence for applying the metallization system is outlined. A specific example is presented, including chemical plating solution formulations and detailed process step descriptions. Electrical test data for solar cells metallized with the palladium-nickel-solder system are provided.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Photovoltaic Specialists Conference; Jun 05, 1978 - Jun 08, 1978; Washington, DC
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    The Automated Array Assembly Task of the Low-cost Silicon Solar Array Project, Phase 2 (1978)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An advanced process sequence for manufacturing high efficiency solar cells and modules in a cost-effective manner is discussed. Emphasis is on process simplicity and minimizing consumed materials. The process sequence incorporates texture etching, plasma processes for damage removal and patterning, ion implantation, low pressure silicon nitride deposition, and plated metal. A reliable module design is presented. Specific process step developments are given. A detailed cost analysis was performed to indicate future areas of fruitful cost reduction effort. Recommendations for advanced investigations are included.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-162429 , DOE/JPL-954847-78/4
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Phase 1 of the automated array assembly task of the low cost silicon solar array project (1978)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The results of a study of process variables and solar cell variables are presented. Interactions between variables and their effects upon control ranges of the variables are identified. The results of a cost analysis for manufacturing solar cells are discussed. The cost analysis includes a sensitivity analysis of a number of cost factors.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-158120 , REPT-2258/8 , DOE/JPL-954363-78/8
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    The automated array assembly task of the low-cost silicon solar array project, phase 2 (1980)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Several specific processing steps as part of a total process sequence for manufacturing silicon solar cells were studied. Ion implantation was identified as the preferred process step for impurity doping. Unanalyzed beam ion implantation was shown to have major cost advantages over analyzed beam implantation. Further, high quality cells were fabricated using a high current unanalyzed beam. Mechanically masked plasma patterning of silicon nitride was shown to be capable of forming fine lines on silicon surfaces with spacings between mask and substrate as great as 250 micrometers. Extensive work was performed on advances in plated metallization. The need for the thick electroless palladium layer was eliminated. Further, copper was successfully utilized as a conductor layer utilizing nickel as a barrier to copper diffusion into the silicon. Plasma etching of silicon for texturing and saw damage removal was shown technically feasible but not cost effective compared to wet chemical etching techniques.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-163880 , DOE/JPL-954847-80/8 , JPL-9950-456 , MOTOROLA-2345/8
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Silicon solar cells, a manufacturing cost analysis (1978)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: A detailed cost analysis of solar cell module manufacturing, utilizing process sequences incorporating near-term technology, has been performed. The entire structuring of a factory to manufacture solar cell modules, starting from supplied polycrystalline silicon and other raw materials, was specified. This analysis then formed the basis for a sensitivity analysis of the major cost factors. The results of the cost and sensitivity analyses are presented here.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Photovoltaic Specialists Conference; Jun 05, 1978 - Jun 08, 1978; Washington, DC
    Format: text
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    NASA TECHNICAL REPORTS
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