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0190-35388 8" (200mm) Emissometer Test Wafer with High Emissivity manufactured by Applied Materials (AMAT) 0190-35387 8" EMISSOMETER, TEST WFR-LOW EMISSIVITY 0190-04665 200mm Radiance Emissometer / High Emissivity Wafer 0190-04664 200MM Radiance Emissometer Low Emissivity Wafer WeChat: dualget