Boride materials for electronic elements and method of preparing the same
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United States of America Patent
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Dec 27, 1994
Grant Date -
N/A
app pub date -
Sep 3, 1993
filing date -
Sep 8, 1992
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Expired
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Abstract
Disclosed is a boride material for electronic elements, which is represented by a chemical formula of A.sub.1-x E.sub.x B.sub.12 (where A is Zr of Hf, E is Sc or Y, and 0.1.ltoreq.x.ltoreq.0.9) and the crystal system of which is a cubic one at a temperature not lower than its phase transition temperature and is a hexagonal one at a temperature not higher than its phase transition temperature. The boride material is prepared by mixing oxide powders or sulfate powders of the constitutive elements A and E and a boron powder followed by shaping the powder mixture and then sintering the shaped body.
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