Powdery coating glass material, coating glass paste using the sa

Details Powdery coating glass material, coating glass paste using the sa Powdery coating glass material, coating glass paste using the sa

1990-04-27

1991-09-24

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 20, 501 21, 501 32, 501 73, 501 77, 501 79, C03C 804, C03C 802, C03C 3062, C03C 3066

Patent

active

050513818

ABSTRACT:
A powdery coating glass material essentially consists of V.sub.2 O.sub.5 5-35 wt. %, ZnO 33-60 wt. %, B.sub.2 O.sub.3 3-25 wt. %, SiO.sub.2 1-15 wt. %, Al.sub.2 O.sub.3 0-5 wt. %, and at least one element 2-20 wt. % selected from the group consisting of MgO, CaO, SrO, and BaO, which coating glass material has a softening point of 600.degree. C. or less. A coating glass composition is prepared by the above powdery coating glass material or a coating glass paste for use in a thick-film technique which contains the above powdery coating glass material. The prepared coating glass composition has a thermal expansion coefficient ranging from 55.times.10.sup.-7 /.degree.C. to 75.times.10.sup.-7 /.degree.C.

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