Invention Application
- Patent Title: MAGNETIC RECORDING MEDIUM
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Application No.: US15565050Application Date: 2016-03-08
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Publication No.: US20180114541A1Publication Date: 2018-04-26
- Inventor: Eiji NAKASHIO , Futoshi SASAKI , Yuuichi MASUZAWA , Masaru TERAKAWA , Minoru YAMAGA , Yoichi KANEMAKI , Kazuya HASHIMOTO , Tomoe SATO , Nobuyuki SASAKI
- Applicant: Sony Corporation
- Priority: JP2015-081849 20150413
- International Application: PCT/JP2016/001263 WO 20160308
- Main IPC: G11B5/733
- IPC: G11B5/733 ; G11B5/73

Abstract:
Provided is a magnetic recording medium including: a support body; a base layer containing carbon particle powder and metal-containing particle powder; and a recording layer. In a recording surface, a maximum indentation depth h is 85≤h≤140, and a ratio d of a permanent strain to an elastic recovery (permanent strain/elastic recovery) is 0.95≤d≤1.25.
Information query
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