Low dielectric constant compositions

Details Low dielectric constant compositions Low dielectric constant compositions

1989-10-19

1990-06-19

Group, Karl

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

428469, 428472, 428674, 501 17, 501 49, 501 52, H01G 420

Patent

active

049358448

ABSTRACT:
An alkali-free composition for making a ceramic dielectric body having a dielectric constant less than 5.0, which is a mixture of finely divided particles consisting essentially of 70-85% wt. slica and 15-30% wt. zinc borate flux. This composition can be used to make green tape and multilayer devices having internal copper conductors such as multilayer capacitors and multilayer interconnects.

REFERENCES:
patent: 4624934 (1986-11-01), Kobaba et al.
patent: 4654095 (1987-03-01), Steinberg
patent: 4655864 (1987-04-01), Rellick
patent: 4752531 (1988-06-01), Steinberg

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