C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 37/02 (2006.01) H01L 23/373 (2006.01) H05K 1/05 (2006.01)
Patent
CA 2232425
A functionally gradient member comprises, in an integrated manner, a ceramic part composition layer having desired insulation performance and thermal conductivity, a metal part composition layer having desired thermal conductivity and electric conductivity, and a composite composition layer disposed at a boundary portion between the ceramic part composition layer and the metal part composition layer and having its composition and physical properties which are gradually changed. Accordingly, the metal and the ceramic are integrated into one unit without providing any joining section to provide the functionally gradient member having high joining reliability and having high thermal conductivity.
Cette invention concerne un élément fonctionnel à gradient qui se compose d'un ensemble intégré de couches céramique, métallique et composite. La couche céramique a les propriétés d'isolation et de conductivité thermique requises; la couche métallique a les propriétés de conductivité thermique et électrique requises et la couche composite, intercalée dans une zone limitrophe entre les couches précédentes, a une composition et des propriétés physiques qui changent graduellement. Ainsi, on obtient un ensemble céramique-métal intégré sans section d'assemblage qui constitue un élément fonctionnel à gradient caractérisé par une haute fiabilité d'intégration et une grande conductivité thermique.
Honda Giken Kogyo Kabushiki Kaisha .)
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