Interfacial reactions between sapphire and silver-copper-titanium thin film filler metal
Journal Article
·
· Journal of the American Ceramic Society
- Toshiba Corp., Kanagawa (Japan). Materials and Devices Research Labs.
Wetting and brazing studies of sputtering-deposited, submicrometer thin film filler metal in an Ag-Cu-Ti/Al{sub 2}O{sub 3} system were performed. The interfacial reaction layer between the filler metal and Al{sub 2}O{sub 3} was investigated. It is possible to make a brazing joint even with a reaction layer of less than 100 nm thickness. Different types of interfacial reaction layers were observed when the Ti content in the filler metal was varied. The Cu-Ti-O system compounds were observed in the samples with high wetting capabilities, but not in the sample with low wetting characteristics. It was found that these compounds are substances that promote effective brazing.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 483668
- Journal Information:
- Journal of the American Ceramic Society, Vol. 80, Issue 2; Other Information: PBD: Feb 1997
- Country of Publication:
- United States
- Language:
- English
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