Invention Grant
- Patent Title: Electrochemical etching of magnetic recording layer
- Patent Title (中): 磁记录层的电化学蚀刻
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Application No.: US13928145Application Date: 2013-06-26
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Publication No.: US09123373B1Publication Date: 2015-09-01
- Inventor: Andrew M. Homola , Chunbin Zhang , Paul C. Dorsey , David Treves
- Applicant: WD Media, LLC
- Applicant Address: US CA San Jose
- Assignee: Western Digital Media, LLC
- Current Assignee: Western Digital Media, LLC
- Current Assignee Address: US CA San Jose
- Main IPC: C25F3/02
- IPC: C25F3/02 ; C25F3/14 ; G11B5/84
Abstract:
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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