Overglaze inks

Details Overglaze inks Overglaze inks

1982-07-09

1983-08-30

Smith, John D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

427 96, 427101, 428210, 428901, 174 685, H05K 103, H05K 116, H05K 312

Patent

active

044017090

ABSTRACT:
Improved thick-film overglaze inks useful in constructing multilayer integrated circuits on circuit boards, particularly porcelain-coated metal circuit boards, are provided. The subject inks comprise: a glass consisting of lead oxide, a modifier component consisting of the oxides of cadmium, zinc, barium and antimony and a glass-forming component consisting of aluminum oxide, boron trioxide and silicon dioxide; a suitable organic vehicle and, if desired, a colorant oxide.

REFERENCES:
patent: 2931142 (1960-04-01), Veres
patent: 3480566 (1969-11-01), Hoffman
patent: 3723835 (1973-03-01), Davis et al.
patent: 3778242 (1973-12-01), Francel et al.
patent: 3975201 (1976-08-01), Greenstein
patent: 4256796 (1981-03-01), Hang et al.
Onyshkevych et al., "Manufacturing Steps in the Production of Porecelain-Enamel PC Boards" RCA Review, Vol. 42, No. 2, Jun. 1981, pp. 145-158.

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