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专利名称：GLASS COMPOSITION, SEALING GLASS FOR
MAGNETIC HEAD AND MAGNETIC HEAD
发明人：HASEGAWA, Shinya,KANAI, Mikie,TORII,
Hideo,KAMIMOTO, Tetsuya
申请号：EP01926103.1申请日：20010501公开号：EP1291329A1公开日：20030312
专利附图：
摘要：In order to provide a practically lead-free glass composition having a lowsoftening point and an excellent water resistance for use in various parts of electronic
equipment and a magnetic head using the same, a glass composition is provided, whichcontains 0.5 to 14 wt% of SiO2, 3 to 15 wt% of B2O3, 4 to 22 wt% of ZnO, 55 to 90 wt% ofBi2O3, 0 to 4 wt% of Al2O3, 0 to 5 wt% of at least one selected from the group consistingof Li2O, Na2O and K2O, and 0 to 15 wt% of at least one selected from the groupconsisting of MgO, CaO, SrO and BaO.
申请人：MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
地址：1006, Oaza-Kadoma Kadoma-shi, Osaka 571-8501 JP
国籍：JP
代理机构：Leson, Thomas Johannes Alois, Dipl.-Ing.
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