Substrate for Magnetic Disks, and Magnetic Disk
「Substrate for Magnetic Disks, and Magnetic Disk」对应一条老挝专利公开记录，由 HOYA CORPORATION 于 2018-07-02 提交申请，当前状态为已注册。关键编号与类型标注为 申请号 P/854 / DIP 编号 LAP854 / 主管局代码 LA / 保护类型 Patent - PCT National Phase。时间线要点：公开/公告日 2025-12-19；授权日 2025-04-22；届满/失效参考日 2038-07-02。技术或外观分类记载为 G11B 5/73、G11B 5/82、G11B 5/84。发明人 / 设计人包括 Kinobu OSAKABE。代理机构 / 代理人记载为 Tilleke & Gibbins Lao Co., Ltd。公开摘要提示：A substrate for a magnetic disk includes a substrate main body having two main surfaces, and a fi.lm that is provided on the main surfaces…。
P/854
图样
基础信息
- 类型
- 专利
- 申请号
P/854- 状态
- 已注册
- 申请人
- HOYA CORPORATION
- 代理机构
- Tilleke & Gibbins Lao Co., Ltd
- 申请日期
- 2018-07-02
- 注册号
P/854- 公开 / 公告日
- 2025-12-19
- 注册 / 授权日
- 2025-04-22
- 到期日
- 2038-07-02
- 保护类型
- Patent - PCT National Phase
- 公报号
- 301 · 2025-04-25
- 申请人地址
- HOYA CORPORATION · 6-10-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 1608347, Japan · JP
- 代理地址
- Tilleke & Gibbins Lao Co., Ltd · No. 302/1B, 3rd Floor, Vieng Vang Tower, Unit 15, Boulichan Road, Dongpalan Thong Village, Sisattanak District, Vientiane Capital, Lao PDR · LA
- 国际分类
- G11B 5/73 · G11B 5/82 · G11B 5/84
- 商品 / 服务
- —
办理流程
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摘要
A substrate for a magnetic disk includes a substrate main body having two main surfaces, and a fi.lm that is provided on the main surfaces and is made of a material having a loss factor of 0.1 or more. The substrate for a magnetic disk including the film has a thickness T of 0.700 mm or less, and a thickness D [mm] of the film provided on the main surfaces and the thickness T [mm] of the substrate for a magnetic disk including the fiIm satisfy a relationship D>0.0082/T-0.0015.
A substrate for a magnetic disk includes a substrate main body having two main surfaces, and a fi.lm that is provided on the main surfaces and is made of a material having a loss factor of 0.1 or more. The substrate for a magnetic disk including the film has a thickness T of 0.700 mm or less, and a thickness D [mm] of the film provided on the main surfaces and the thickness T [mm] of the substrate for a magnetic disk including the fiIm satisfy a relationship D>0.0082/T-0.0015.
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