专利等待形式审查

METHOD FOR MANUFACTURING ANNULAR GLASS PLATE, METHOD FOR MANAFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK, METHOD FOR MANUFACTURING MAGNETIC DISK, ANNULAR GLASS PLATE, GLASS SUBSTE FOR MAGNETIC DISK, AND MANETIC DISK

Name: LaoBiz.com Laos Intellectual Property Database
Creator: 老商通 LaoBiz.com
License: https://creativecommons.org/licenses/by/4.0/

老挝专利「METHOD FOR MANUFACTURING ANNULAR GLASS PLATE, METHOD FOR MANAFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK, METHOD FOR MANUFACTURING MAGNETIC DISK, ANNULAR GLASS PLATE, GLASS SUBSTE FOR MAGNETIC DISK, AND MANETIC DISK」是 DIP 公开可查的知识产权档案，由 HOYA CORPORATION 于 2020-07-31 提交申请，当前状态为等待形式审查。标识字段包括：申请号 P/822；DIP 编号 LAP822；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。技术或外观分类记载为 B23K 26/354、B23K 26/53、C03B 29/00、C03B 29/02、C03B 33/04、C03B 33/09、C03C 19/00、G11B 5/73。发明人 / 设计人包括 Shuhei AZUMA。代理机构 / 代理人记载为 Tilleke & Gibbins Lao Co.,Ltd。公开摘要提示：A method for manufacturing an annular glass plate that has an outer。

专利老挝 DIP

申请号 P/822

申请日期 2020-07-31

申请人 HOYA CORPORATION

代理机构 Tilleke & Gibbins Lao Co.,Ltd

类别 B23K 26/354 · B23K 26/53 · C03B 29/00 · C03B 29/02 · C03B 33/04 · C03B 33/09 · C03C 19/00 · G11B 5/73 · G11B 5/84

图样

基础信息

类型: 专利
申请号: P/822
状态: 等待形式审查
申请人: HOYA CORPORATION
代理机构: Tilleke & Gibbins Lao Co.,Ltd
申请日期: 2020-07-31
公开 / 公告日: 2026-02-20
保护类型: Patent - PCT National Phase
国际分类: B23K 26/354 · B23K 26/53 · C03B 29/00 · C03B 29/02 · C03B 33/04 · C03B 33/09 · C03C 19/00 · G11B 5/73 · 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 2020-07-31
形式审查 进行中
实质审查
公开 2026-02-20
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摘要

A method for manufacturing an annular glass plate that has an outer

circumferential edge surface, an inner circumferential edge surface, and a

thickness not larger than 0.6 mm includes processing for manufacturing an

annular glass plate by irradiating each of the outer circumferential edge surface

and the inner circumferential edge surface of an annular glass blank with a laser

beam to melt the outer circumferential edge surface and the inner

circumferential edge surface and form molten surfaces such that the molten

surfaces in the outer circumferential edge surface and the inner circumferential

edge surface each have an arithmetic average surface roughness Ra not larger

than 0.1 μm, and the surface roughness of the molten surface in the inner

circumferential edge surface becomes larger than the surface roughness of the

molten surface in the outer circumferential edge surface.