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  • 1
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    Characterization of Tantalum Polymer Capacitors (2012)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Overview Reviewed data Caution must be taken when accelerating test conditions Data not useful to establish an acceleration model Introduction of new failure mechanism skewing results Evidence of Anti-Wear-Out De-doping of polymer Decreased capacitance Increased ESR Not dielectric breakdown Needs further investigation Further investigation into tantalum polymer capacitor technology Promising acceleration model for Manufacturer A Possibility for use in high-reliability space applications with suitable voltage derating.
    Keywords: Electronics and Electrical Engineering
    Type: NASA Electronic Parts and Packaging Program Electronics Technology Workshop; Jun 11, 2012; Pasadena, CA; United States
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Electrospray device (2011)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: An electrospray device includes an electrospray emitter adapted to receive electrospray fluid; an extractor plate spaced from the electrospray emitter and having at least one aperture; and a power supply for applying a first voltage between the extractor plate and emitter for generating at least one Taylor cone emission through the aperture to create an electrospray plume from the electrospray fluid, the extractor plate as well as accelerator and shaping plates may include a porous, conductive medium for transporting and storing excess, accumulated electrospray fluid away from the aperture.
    Keywords: Electronics and Electrical Engineering
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 3
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    Transformational Solar Array Final Report (2017)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: We have made outstanding progress in the Base Phase towards achieving the final NASA Research Announcement (NRA) goals. Progress is better than anticipated due to the lighter than predicted mass of the IMM solar cells. We look forward to further improvements in the IMM cell performance during Option I and Option II; so, we have confidence that the first four items listed in the table will improve to better than the NRA goals. The computation of the end of life blanket efficiency is uncertain because we have extrapolated the radiation damage from room temperature measurements. The last three items listed in the Table were not intended to be accomplished during the Base Phase; they will be achieved during Option I and Option II.
    Keywords: Electronics and Electrical Engineering
    Type: GRC-E-DAA-TN46846
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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