发明名称 GLASS SUBSTRATE FOR MAGNETIC DISKS AND PROCESS FOR ITS PRODUCTION
摘要 A glass substrate for magnetic disks, which is a doughnut-type glass substrate with its inner peripheral edge surface etching-treated, wherein the etching-treated inner peripheral edge surface is coated with a silicone resin or a polyimide.
申请公布号 SG112980(A1) 申请公布日期 2005.07.28
申请号 SG20040007458 申请日期 2004.12.16
申请人 ASAHI GLASS COMPANY, LIMITED 发明人 OSAMU MIYAHARA;MASAMI KANEKO KAZUO MANNAMI
分类号 B05D3/04;B32B3/02;C03C15/00;C03C17/30;G11B5/73;G11B5/84 主分类号 B05D3/04
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