Glass composition having a low dielectric constant for high-freq

Details Glass composition having a low dielectric constant for high-freq Glass composition having a low dielectric constant for high-freq

1996-09-20

1998-01-20

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 21, C03C 3089

Patent

active

057100829

ABSTRACT:
Disclosed herein is a glass composition having a dielectric constant for high-frequency circuits which comprises SiO.sub.2 and at least one of B.sub.2 O.sub.3 or K.sub.2 O in a ratio falling within the region enclosed by lines passing through point A (65, 35, 0), point B (65, 20, 15), point C (85, 0, 15), and point D (85, 15, 0) in a composition diagram for the ternary system of SiO.sub.2, B.sub.2 O.sub.3 and K.sub.2 O. The glass composition may have incorporated with a small amount of clarifying so as to lower the melting temperature and glass softening point. As an insulating material, it is particularly suitable for high-frequency circuits in compact and fast electronic machines and equipment.

REFERENCES:
patent: 4952531 (1990-08-01), Cherukuri
patent: 5017521 (1991-05-01), Yale et al.
patent: 5173457 (1992-12-01), Shorthouse
patent: 5219801 (1993-06-01), Shorrock et al.
patent: 5342674 (1994-08-01), Tanei et al.

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