Invention Grant
- Patent Title: Perpendicular media with dual soft magnetic layers
- Patent Title (中): 具有双软磁层的垂直介质
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Application No.: US11145938Application Date: 2005-06-07
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Publication No.: US08147996B2Publication Date: 2012-04-03
- Inventor: Qixu Chen , Charles Frederick Brucker , Chung-Hee Chang , Thomas Patrick Nolan , Samuel Dacke Harkness, IV
- Applicant: Qixu Chen , Charles Frederick Brucker , Chung-Hee Chang , Thomas Patrick Nolan , Samuel Dacke Harkness, IV
- Applicant Address: US CA Cupertino
- Assignee: Seagate Technology LLC
- Current Assignee: Seagate Technology LLC
- Current Assignee Address: US CA Cupertino
- Agency: Hollingsworth & Funk, LLC
- Main IPC: G11B5/66
- IPC: G11B5/66
Abstract:
A recording medium having a substrate, a first soft magnetic underlayer, a second soft magnetic underlayer and a perpendicular magnetic recording layer without a spacer layer between the first and second soft magnetic underlayers is disclosed.
Public/Granted literature
- US20060275628A1 Perpendicular media with dual soft magnetic layers Public/Granted day:2006-12-07
Information query
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