Alumina glass composition and magnetic head incorporating same
作者： Bradford D. West , Jean Berchtold
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摘要: There are described a glass composition and magnetic head containing the same, wherein comprises an oxide of alkali metal or alkaline earth, at least one non-alkali in amount sufficient to provide coefficient thermal expansion 80-170×10-7 ° C.-1, featuring from 5-15 mole % Al2 O3 compatible former insure is soluble composition.
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