Silver phosphate glass die-attach composition

Details Silver phosphate glass die-attach composition Silver phosphate glass die-attach composition

1989-11-08

1991-03-05

Dixon, Jr., William R.

Stock material or miscellaneous articles

Composite

Of quartz or glass

501 17, 501 45, 106 123, 428432, 428433, 428434, C03C 814, C03C 316

Patent

active

049977180

ABSTRACT:
Extremely low-melting oxide glasses useful in silver/glass die-attach materials are disclosed. These glasses are composed of silver oxide, phosphorus oxide and a third component comprising PbO, CdO, ZnO or combination thereof. Their melting point lies in the 200.degree.-300.degree. C. range.

REFERENCES:
patent: 3408212 (1968-10-01), Dumesnil
patent: 3518209 (1970-06-01), Provance
patent: 3755065 (1973-08-01), Chvatal
patent: 3798114 (1974-03-01), Chvatal
patent: 3853568 (1974-12-01), Chvatal
patent: 3885975 (1975-05-01), Malmendier
patent: 3930093 (1975-12-01), Short
patent: 4039721 (1977-08-01), Weitze et al.
patent: 4226628 (1980-10-01), Bartholomew
patent: 4743302 (1988-05-01), Dumesnil et al.

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