Alta Devices

Alta Devices was a US-based specialty gallium arsenide (GaAs) PV manufacturer, which claims to have achieved a solar cell conversion efficiency record of 29.1%, as certified by Germany's Fraunhofer ISE CalLab. This company has ceased operations.

Alta Devices

Alta Devices was a US-based specialty gallium arsenide (GaAs) PV manufacturer, which claims to have achieved a solar cell conversion efficiency record of 29.1%, as certified by Germany's Fraunhofer ISE CalLab. This company has ceased operations.