- 专利标题： Electrochemical etching of magnetic recording layer
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申请号： US12547444申请日： 2009-08-25
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公开(公告)号： US08492009B1公开(公告)日： 2013-07-23
- 发明人: Andrew Homola , Chunbin Zhang , Paul C. Dorsey , David Treves
- 申请人： Andrew Homola , Chunbin Zhang , Paul C. Dorsey , David Treves
- 申请人地址： US CA San Jose
- 专利权人： WD Media, Inc.
- 当前专利权人： WD Media, Inc.
- 当前专利权人地址： US CA San Jose
- 代理机构： Lowenstein Sandler LLP
- 主分类号： G11B5/66
- IPC分类号： G11B5/66
摘要：
A method of fabricating a perpendicular magnetic recording disk is described. The method may include providing a magnetic recording layer disposed above a substrate with a plurality of intermediate layers disposed there between and electrochemically etching the magnetic recording layer.
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