GLASS FOR SOLDERING OF FERRITE MAGNETIC HEAD MEMBERS Russian patent published in 1994 - IPC

Abstract SU 1685062 A3

FIELD: glass compositions. SUBSTANCE: glass has the following composition, wt. - % : SiO₂ 35.08-38.61; PbO 47.09-56.16; BaO 0.01-7.84; ZnO 0.01-4.45; Na₂O 3.50-5.03; Li₂O 0.57-2.38; Al₂O₃ 0.01-0.91; CdO 0.25-2.66, and Sb₂O₃ 0.29-0.75. Chemical resistance for acids and alkali, % : 0.0004-0.0008 and 0.070-0.083, respectively. Crystallization stability is 50-55 min. EFFECT: enhanced chemical resistance and crystalline stability. 2 tbl

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SU 1 685 062 A3

Authors

Maksimov N.N.

Solov'Eva L.N.

Dates

1994-04-30—Published

1989-07-11—Filed