Computer Science – Performance
Scientific paper
Sep 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008epsc.conf..192f&link_type=abstract
European Planetary Science Congress 2008, Proceedings of the conference held 21-25 September, 2008 in Münster, Germany. Online a
Computer Science
Performance
Scientific paper
NASA Science exploration Roadmap includes a "Venus Mobile Lander" mission to operate on the surface of Venus for at least 90 days. Venus Mobile Lander will explore Venus surface as either an aerial vehicle or rover for several months. Previous missions to Venus operated for less than 2 hours. Electronics available today is not capable of supporting design of spacecraft avionics, power systems, or science instruments to operate in the Venus surface environment for 90 days. Thus this long duration mission will spawn a technology development program that can support science instrument and spacecraft design to meet mission requirements. Boeing, together with HRL Laboratory, is developing high temperature electronics for the Venus environment (480 Celsius, 90 bars carbon dioxide atmosphere) using the gallium nitride technology. Examples from our recent validation tests in harsh environments illustrate the performance of the electronic components and modules. In addition to the GaN-based semiconductor material, the characteristics, reliability and viability of the electronics is affected by constituent materials (metallization, dielectric layers) and by the packaging (die attach, wire bonding).
Frampton Robert
Peltz Leora
Rubin Seymour
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