Ceramic body having a metallized layer

Details Ceramic body having a metallized layer Ceramic body having a metallized layer

1984-03-14

1985-04-23

Sebastian, Leland A.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

174120C, 428433, 428620, 428627, 428665, 428901, B22F 704, B22F 708

Patent

active

045130620

ABSTRACT:
A ceramic body having a metallized layer which comprises a ceramic substrate and a metallized layer fired on the substrate to be integrated or further comprises a conductive layer consisting of a noble metal or noble metal alloy to be joined onto the metallized layer, the composition of the metallized layer being one or more of a silicide of transition metals belonging to Groups V and VI of periodic table; one or more of a boride of lanthanum and a boride of transition metals belonging to Groups IV, V and VI of periodic table; or a high melting point metal or alloy unmelted at a firing temperature of the ceramic substrate and containing, based on 100 parts by weight of the metal or alloy, 0.5-25 parts by weight of niobium, 0.5-10 parts by weight of yttrium, 0.5-10 parts by weight of tantalum, 0.5-25 parts by weight of mixture of niobium and yttrium, 0.5-25 parts by weight of mixture of yttrium and tantalum, 0.5-25 parts by weight of mixture of niobium and tantalum, 0.5-25 parts by weight of mixture of niobium, yttrium and tantalum, 0.05-3 parts by weight of nickel, 0.5-4 parts by weight of chromium or 0.05-3 parts by weight of mixture of nickel and chromium, which is a useful material for various electronic and electric apparatuses.

REFERENCES:
patent: 3150971 (1964-09-01), Weisert et al.
patent: 3833842 (1974-09-01), Cunningham et al.
patent: 4168342 (1979-09-01), Arai et al.
patent: 4168343 (1979-09-01), Arai et al.
patent: 4219448 (1980-08-01), Ross
patent: 4475029 (1984-10-01), Yoshida et al.

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