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Fermi Gamma-ray Space Telescope
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ACD Electronics Chassis

ACD Electronics Chassis

This is the first flight electronics chassis, which will be used for qualification. The High Voltage Bias Supplies and Front End Electronics cards are in place, waiting for the phototubes. The box is the chassis storage/transportation box, which protects the chassis and includes a purge fixture for keeping the phototubes in a low-helium environment.