Metallized ceramic structure comprising aluminum nitride and tun

Details Metallized ceramic structure comprising aluminum nitride and tun Metallized ceramic structure comprising aluminum nitride and tun

1989-08-17

1992-09-08

Wyszomierski, George

Stock material or miscellaneous articles

Composite

Of bituminous or tarry residue

357 67, 357 71, 428610, 428620, 428627, 428665, 219553, H01L 2315, H05B 312, B32B 1504

Patent

active

051463130

ABSTRACT:
A metallized ceramic structure includes a ceramic substrate preferably aluminum nitride and a metallic layer preferably tungsten bonded to the ceramic substrate. First and second mixture layers are formed between the ceramic substrate and the metallic layer to bond the ceramic substrate and the metallic layer. The first mixture layer is in contact with the ceramic substrate and the second mixture layer is in contact with the metallic layer. Each of the mixture layers includes a mixture of ceramic of the ceramic substrate and the metal of the metallic layer. The second mixture layer has a lower percentage of the ceramic than the first mixture layer.

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