Aluminum honeycomb substrates used in the fabrication of flat plate gallium arsenide space solar panels undergo a variety of dimensional changes during on-orbit temperature excursions. Spacecraft solar arrays in geosynchronous orbit (GEO) can see temperature extremes of -180 to +90 Cel, while low Earth (LEO) orbiters can experience -90 to +135 Cel under certain circumstances. In addition to simple metallic expansion and contraction, the substrates warp and contort during temperature cycling due to thermal gradients existing between their front and back surfaces. Several things become apparent when performing a comprehensive thermoelastic analysis of a gallium arsenide panel, or attempting to relate the behavior of substrates to the design requirements for interconnects, or solar cell welding methods and materials.
GaAs interconnect design and weld technology
Planung der Verbindungs- und Schweisstechnologie fuer GaAs-Solarzellen
1985
6 Seiten, 5 Bilder, 3 Tabellen, 3 Quellen
Aufsatz (Konferenz)
Englisch
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