Moisture resistant low melting point glass for magnetic head and

Details Moisture resistant low melting point glass for magnetic head and Moisture resistant low melting point glass for magnetic head and

1992-05-28

1993-10-26

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 74, 501 75, 501 76, 360119, 360120, 360125, 360126, C03C 3102, C03C 370, C03C 372, C03C 3108

Patent

active

052566064

ABSTRACT:
The present invention relates to a moisture resistant low melting point glass composition for a magnetic head and a magnetic head utilizing it. Said glass composition may be composed of 28-35% PbO, 38-50% SiO.sub.2, 3-10% R.sub.2 O, 3-8% TeO.sub.2, and 1-5% TiO.sub.2 in terms of mole ratio, or 30-40% PbO, 30-40% SiO.sub.2, 10-20% B.sub.2 O.sub.3, 8% or less TeO.sub.2 and 10% or less Bi.sub.2 O.sub.3, cr 30-40% PbO, 30-40% SiO.sub.2, 10-20% B.sub.2 O.sub.3, and 0-8% TeO.sub.2, or 30-40% PbO, 30-40% SiO.sub.2, 10-20% B.sub.2 O.sub.3, and 0-10% Bi.sub.2 O.sub.3.

REFERENCES:
patent: 4997796 (1991-03-01), Toyoshima et al.

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