Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1985-05-24
1988-03-01
Swisher, Nancy A. B.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428210, 428901, 252514, C04B 3326
Patent
active
047285621
ABSTRACT:
The invention relates to a dielectric composition which, in particular, is useable in the thick layer technology for making printed condensers by means of the screen printing process. The composition contains as a dielectric active substance Bi.sub.2 [A.sub.2-x.sup.a+ Nb.sub.x ], whereby the condition a (2-x)+5x=8 is applied and A are one of a plurality of metal ions from the group Mg.sup.2+,Ni.sup.2+,Zn.sup.2+,Co.sup.2+,Ca.sup.2+,Sn.sup.2+,Mn.sup.2+,Co.s up.3+ Mn.sup.3+,Al.sup.3+ and Cr.sup.3+.
REFERENCES:
patent: 3977887 (1976-08-01), McIntosh
patent: 4047214 (1977-09-01), Francombe et al.
C.A., vol. 78, 1973, No. 35200c.
Gesemann Hans-Jurgen
Krawietz Mary
Schaffrath Winfried
Akademie der Wissenschaften der DDR
Striker Michael J.
Swisher Nancy A. B.
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