发明名称 Moisture resistant low melting point glass for magnetic head and magnetic head
摘要 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% SiO2, 3-10% R2O, 3-8% TeO2, and 1-5% TiO2 in terms of mole ratio, or 30-40% PbO, 30-40% SiO2, 10-20% B2O3, 8% or less TeO2 and 10% or less Bi2O3, cr 30-40% PbO, 30-40% SiO2, 10-20% B2O3, and 0-8% TeO2, or 30-40% PbO, 30-40% SiO2, 10-20% B2O3, and 0-10% Bi2O3.
申请公布号 US5256606(A) 申请公布日期 1993.10.26
申请号 US19920891481 申请日期 1992.05.28
申请人 ALPS ELECTRIC CO., LTD. 发明人 MAKI, SATOSHI
分类号 C03C3/07;C03C3/072;C03C3/074;C03C3/102;C03C8/10;G11B5/105;G11B5/127;(IPC1-7):C03C3/102;C03C3/108;C03C3/70;C03C3/72 主分类号 C03C3/07
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