Conducting material and a method of fabricating thereof

Details Conducting material and a method of fabricating thereof Conducting material and a method of fabricating thereof

1989-12-01

1992-05-26

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428209, 428426, 428433, 428901, B32B 900

Patent

active

051166577

ABSTRACT:
Vias each having no pore are formed in a multilayer ceramic substrate by filling through holes of green sheets with conducting material obtained by: kneading mixed powder particles, the powder particles produced by adding copper oxide powder particles in the amount of 50% (in weight) or less to copper powder particles, with a solution including methyl ethyl ketone and 0.5% (in weight) of isosulfonyltridecylbenzene titanate; drying and cracking the kneaded mixed powder particles, producing cracked mixed powder particles; classifying the cracked mixed powder particles with a 100 mesh filter, producing classified mixed powder particles; spheroidizing the classified mixed powder particles with a collision method performed in gases flowing at high speed; and firing the green sheets at a temperature of about 800.degree. C.

REFERENCES:
patent: 4868034 (1989-09-01), Steinberg

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