SPACER, LAMINATE OF SUBSTRATES, SUBSTRATE PRODUCTION METHOD, AND METHOD FOR PRODUCING SUBSTRATE FOR MAGNETIC DISK
「SPACER, LAMINATE OF SUBSTRATES, SUBSTRATE PRODUCTION METHOD, AND METHOD FOR PRODUCING SUBSTRATE FOR MAGNETIC DISK」对应一条老挝专利公开记录，由 HOYA CORPORATION 于 2019-03-11 提交申请，当前状态为已放弃。标识字段包括：申请号 P/714；DIP 编号 LAP714；主管局代码 LA；保护类型 Patent - PCT National Phase。时间线要点：公开/公告日 2026-02-20。国际分类 / IPC 标注为 B24B 41/06、B24B 9/00、G11B 5/84。发明人 / 设计人包括 TAKANO, Masao。代理机构 / 代理人记载为 Tilleke & Gibbins Lao Co.,Ltd。公开摘要提示：The area of a spacer that is to be provided between the adjacent substrates in a laminate including a plurality of substrates to keep the a…。
P/714
图样
基础信息
- 类型
- 专利
- 申请号
P/714- 状态
- 已放弃
- 申请人
- HOYA CORPORATION
- 代理机构
- Tilleke & Gibbins Lao Co.,Ltd
- 申请日期
- 2019-03-11
- 公开 / 公告日
- 2026-02-20
- 保护类型
- Patent - PCT National Phase
- 优先权
- JP · 2018-043362 · 2018-03-09
- 国际分类
- B24B 41/06 · B24B 9/00 · G11B 5/84
- 商品 / 服务
- —
办理流程
根据当前状态动态标注-
提交申请
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形式审查 未通过 / 终止
-
实质审查
-
公开
-
授权
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摘要
The area of a spacer that is to be provided between the adjacent substrates in a laminate including a plurality of substrates to keep the adjacent 5 substrates apart from each other is smaller than those ofthe stacked substrates. When pressure is released to bring the laminate obtained by providing the spacers between the substrates from a pressed state in which 0.60 MPa of pressure is applied to the laminate in the stacking direction into a non-pressed state, an amount ofchange AW in thickness per spacer that is calculated from a 10 change in the thickness ofthe laminate due to the release of pressure is 30 pm or less.
The area of a spacer that is to be provided between the adjacent substrates in a laminate including a plurality of substrates to keep the adjacent 5 substrates apart from each other is smaller than those ofthe stacked substrates. When pressure is released to bring the laminate obtained by providing the spacers between the substrates from a pressed state in which 0.60 MPa of pressure is applied to the laminate in the stacking direction into a non-pressed state, an amount ofchange AW in thickness per spacer that is calculated from a 10 change in the thickness ofthe laminate due to the release of pressure is 30 pm or less.
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