Abstract
The Large Area Telescope of the GLAST mission is a telescope for gamma rays in the range 10MeV–300GeV. It consists of a Silicon Strip Detectors’ Tracker and a CsI e.m. calorimeter. The total surface of silicon detectors is almost 80m2, so it will have the largest equipped area among all space experiments. The Tracker consists of 9219 wafers, 8.9cm×8.9cm cross-section and 400μm thick. The strip pitch is 228μm and each strip is 64μm wide. Electrical and geometrical measurements are being performed on both wafers and ladders. The I–V and C–V characterization results on the first 2000 wafers and measurements of the geometric dimensions is presented; the ladders assembly procedures is described and workmanship tests by means of electrical and geometrical measurements is also shown.
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