Process for preparation of glazed ceramic substrate and glazing

Details Process for preparation of glazed ceramic substrate and glazing Process for preparation of glazed ceramic substrate and glazing

1986-11-03

1988-08-30

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of silicon containing

428901, 427 97, 501 14, 501 21, 501 66, B05D 512, C03C 800, C03C 802

Patent

active

047676728

ABSTRACT:
A paste of a glazing composition is coated on the entire surface of a ceramic substrate having a metallized metal portion, and the paste-coated ceramic substrate is sintered in a reducing atmosphere, and a glazing layer is formed on the entire surface of the metallized metal portion by utilizing the repellency of the melt of the glazing composition to the metallized metal portion. A glazing composition comprising SiO.sub.2, B.sub.2 O.sub.3, BaO, Al.sub.2 O.sub.3 and an alkali metal oxide or a glazing composition comprising SiO.sub.2, BaO, Al.sub.2 O.sub.3, CaO and MgO or SrO is used. An acrylic resin syrup, especially an isobutyl methacrylate resin syrup, is used as a binder of a coating paste for forming a glazing layer.

REFERENCES:
patent: 3939295 (1976-02-01), Robertson et al.
patent: 4131516 (1978-12-01), Bakos et al.
patent: 4336100 (1982-06-01), Passlick

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