Starting mixture for an insulating composition comprising a lead

Details Starting mixture for an insulating composition comprising a lead Starting mixture for an insulating composition comprising a lead

1985-06-17

1987-08-04

Lieberman, Paul

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

106 19, 106 20, 106 26, 106290, 106296, 106297, 4273881, B05D 512

Patent

active

046845437

ABSTRACT:
The invention relates to starting mixtures for an insulating composition comprising (a) a from about 70 to 80% by volume of vitreous phase comprising Al.sub.2 O.sub.3, SiO.sub.2, B.sub.2 O.sub.3, PbO, ZnO, CaO, and CuO and (b) from about 30 to 20% by volume of at least one oxide of lead having an oxidation degree of at least two, in powder form. The starting mixtures are useful in silk-screening inks for hybrid microcircuits.

REFERENCES:
patent: 4108786 (1978-08-01), Takayama et al.
patent: 4152282 (1979-05-01), Baudry et al.
patent: 4369220 (1983-01-01), Prabhu et al.
patent: 4388347 (1983-06-01), Shum et al.
patent: 4412377 (1983-11-01), Nagashima et al.
patent: 4415624 (1983-11-01), Prabhu et al.
patent: 4420338 (1983-12-01), Ortega
patent: 4431451 (1984-02-01), Mabie et al.
patent: 4547625 (1985-10-01), Tosaki et al.
patent: 4604298 (1986-08-01), Shevtchuk et al.

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