1.1 This guide covers a nondestructive procedure to determine the form of clean, dry sapphire substrates.1.2 This guide is applicable to substrates 25 mm or larger in diameter, with a minimum thickness of 100 μm. This guide is independent o
ASTM
Standard Guide for Measuring Characteristics of Sapphire Substrates
STD-51726
2004
2004-05-01
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