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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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