Photovoltaic Cells Material = Gallium Arsenide Radius = 6.2 mm Thickness = 50 micrometers Insulator/Adhesive Location = Back Surface of Photovoltaic Cell Material = Unspecified non-lunar Radius = 6.2 mm Thickness = 25 micrometers 2.2.4.7 Mass Analysis for a Single GaAs Concentrator Unit The densities shown below were assumed to compute the component masses shown in Table 2.2-2. Densities(kg/m3): Aluminum: 2.7E+3 Aluminum Oxide: 3.97E+3 GaAs: 5.32E+3 (2,p305) Fused Silica : 2.2E+3 (17,p68) TABLE 2.2-2 MASS ANALYSIS OF A SINGLE GALLIUM ARSENIDE CONCENTRATOR
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