- Patent Title: Magnetic recording medium having controlled dimensional variation
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Application No.: US17018750Application Date: 2020-09-11
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Publication No.: US11302353B2Publication Date: 2022-04-12
- Inventor: Minoru Yamaga , Noboru Sekiguchi
- Applicant: Sony Corporation
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: K&L Gates LLP
- Priority: JPJP2019-067931 20190329
- Main IPC: G11B5/706
- IPC: G11B5/706 ; G11B5/733 ; G11B5/735 ; G11B5/62 ; G11B5/584
Abstract:
In a magnetic recording medium, an average thickness tT is tT≤5.5 μm, a dimensional variation Δw in a width direction to tension change in a longitudinal direction is 650 ppm/N≤Δw, and a rate of shrinkage in the longitudinal direction is 0.08% or less.
Public/Granted literature
- US2628831A Door operating mechanism Public/Granted day:1953-02-17
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