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Alta Devices Solar On Upcoming Satellite Launch

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This week, the NG-11 mission will launch from the NASA Wallops Flight Facility carrying the Cygnus cargo spacecraft.

This spacecraft will deliver supplies to the International Space Station and transport 60 small satellites, called ThinSats, into space. These satellites are powered by Alta Devices gallium arsenide solar cells and will carry various electromagnetic, radiation and inertial sensors for scientific analysis of the atmosphere.

Alta Devices flexible gallium arsenide solar cells power the innovative ThinSat design

These ThinSats are part of a program whose goal is to set a new standard for STEAM education in the US. Dozens of teams of high school and college students were engaged in the preparation of the satellite hardware and analysis. The satellites will be deployed into low earth orbit and allow live data transmission.

In the future, these ThinSats can be deployed into constellations and expanded to larger sizes for hosting larger payloads.

The ThinSat Program is managed and funded by Virginia Commercial Space Flight Authority with Twiggs Space Lab operating as the general contractor, NearSpace Launch the primary spacecraft designer and manufacturer, and Alta Devices the provider of solar cells.

Hank Voss co-founder of NSL states, “Satellites need solar cells to generate electrical power. Until now, no commercial solar technologies could match the improvement in cost, weight, and ease of use that other components of small satellite technology have achieved.” Specifically, he explained that the majority of solar cells were expensive, fragile, rigid, and difficult to encapsulate and robustly attach to spacecraft.

Alta Devices solar cells overcome these challenges because they are flexible, easy to encapsulate and mount, and provide high power conversion efficiencies. For example, Alta Devices cells can be mounted to low-mass deployable structures including coiled carbon fiber booms, flat-packed, polymer-based accordioned arrays, even inflatable structures, allowing creative design approaches to maximizing onboard solar power. Alta Devices is empowering autonomy, as its cells provide a new level of mechanical and design flexibility for the small satellite industry.

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