Electrically conductive paste, electronic circuit component and

Details Electrically conductive paste, electronic circuit component and Electrically conductive paste, electronic circuit component and

1987-12-30

1989-10-10

Barr, Josephine

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428433, 252512, 427123, 4271262, 4273763, 427 96, B32B 300

Patent

active

048730220

ABSTRACT:
The present invention provides an electronic circuit component having a ceramic base and more particularly to a conductive paste for circuit film and an electronic circuit component having a copper film circuit of 10 .mu.m of less in film thickness formed from said conductive paste and a method for making the electronic circuit component.
The characteristic of the present invention resides in a conductive paste comprising 100 parts by weight of copper powder of 1 .mu.m or less in average particle size, 0.01-4 parts by weight of at least one of S, Te and Se and 1-10 parts by weight of a frit glass as a binder.
Further, there is provided an electronic circuit component having a copper film circuit containing 0.005-2 parts by weight of at least one of S, Te and Se and an effective amount of a glass as a binder for 100 parts by weight of copper which is produced by forming a circuit pattern of said conductive paste on an insulating base by flexo-printing method or the like and then firing the pattern.
Especially, since a copper film of 10 .mu.m or less in thickness can be easily formed by printing method, an electronic circuit component having fine circuit pattern comparable to conventional gold film can be provided. This electronic circuit component is excellent as electronic circuit components which require low circuit loss.

REFERENCES:
patent: 4369063 (1983-01-01), McGowan
Journal of Metals, May 1953, pp. 643-648.

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