| 简介 |
Disclosed is a highly heat conductive silicon nitride sintered body which contains not less than 2 mass% and not more than 17.5 mass% of a rare earth element in terms of oxides, not less than 0.07 mass% and not more than 0.5 mass% of Fe element in terms of oxides, not less than 0.07 mass% and not more than 0.5 mass% of Ca element in terms of oxides, not less than 0.1 mass% and not more than 0.6 mass% of Al element in terms of oxides, not less than 0.3 mass% and not more than 4 mass% of Mg element in terms of oxides, and not more than 5 mass% (including 0 mass%) of Hf element in terms of oxides. |
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