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  • 1
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    Unknown
    Millimeter-wave antenna system (1973)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Parabolic reflectors fabricated from Carbon Fiber Reinforced Plastic (CFRP) composite material will not distort their shape by more than 3 percent of millimeter wavelength, despite large temperature differences on reflector surfaces. CFRP has zero thermal expansion. It is derived from charred polyacrylonitrite plastic filaments that are combined with epoxy resin.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: GSC-10949
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Boltless Seal for Electronic Housings (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Spring clips seal housings for electronic circuitry, preventing electromagnetic interference from entering or leaving housings. Clips also keep dust out of housing. Since no bolts are used, housing can be opened quickly; unlike bolts, clips can be used on thin-walled housing. Seal was developed for an X-band array amplifier.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: NPO-14818 , NASA Tech Briefs (ISSN 0145-319X); 6; 3; P. 248
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Multijunction high-voltage solar cell (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Multijunction cell allows for fabrication of high-voltage solar cell on single semiconductor wafer. Photovoltaic energy source using cell is combined on wafer with circuit it is to power. Cell consists of many voltage-generating regions internally or externally interconnected to give desired voltage and current combination. For computer applications, module is built on silicon wafer with energy for internal information processing and readouts derived from external light source.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: LEW-13400 , NASA Tech Briefs (ISSN 0145-319X); 5; 4; P. 412
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Solar cell is housed in light-bulb enclosure (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Inexpensive, conventional solar-cell module uses focusing principle of electric lamp in reverse to produce electric power from sunlight. Standard outdoor light enclosure provides low-cost housing which concentrates sunlight in solar cell. Unit is capable of producing approximately 1 watt of electric power.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: LEW-13418 , NASA Tech Briefs (ISSN 0145-319X); 5; 4; P. 413
    Format: text
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    NASA TECHNICAL REPORTS
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