Glass frit

Details Glass frit Glass frit

1998-06-18

2000-08-08

Beck, Shrive

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 14, 501 17, 4271631, 427165, 427279, 427286, 4273747, 4273835, 4274194, 65 604, C03C 400, C03C 802, C03C 818, C03C 1700, B05D 138

Patent

active

061002097

ABSTRACT:
A glass frit is prepared by heating an initial glass frit in the presence of a reducing agent so as to reduce metal moiety in the glass structure of the frit and then cooling the reaction mixture. Preferably, the frit prepared is used in a method of forming electrically conducting silver tracks on enamel on glass windows, by applying to window glass an enamel composition containing the frit and on top thereof a silver composition in the shape of the tracks and firing the compositions, such that on the firing the reduced metal moiety reduces silver ions migrating through the enamel composition from the silver composition to elemental silver and thereby prevents or impairs them from interacting with the glass to form visible tracks.

REFERENCES:
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patent: 4333861 (1982-06-01), Aoki et al.
patent: 4623389 (1986-11-01), Donely et al.
patent: 4837383 (1989-06-01), Andrews
patent: 4959270 (1990-09-01), Hasegawa
patent: 5045509 (1991-09-01), Kiefer
patent: 5141798 (1992-08-01), Chaumonot et al.
patent: 5250475 (1993-10-01), Zybell et al.
patent: 5281560 (1994-01-01), Francis et al.
patent: 5350718 (1994-09-01), Anquetil et al.
"Hydrogen-induced formation of colloids of arsenic, antimony, and bismuth in oxide glasses*";.
M. R. Tuzzolo et al., Journal of Non-Crystalline Solids, 143 (1992) 181-190.
UK Search Report for GB 9713169.2, Dated: Sep. 15, 1997 (priority application).

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