- 专利标题: GLASS ARTICLES WITH PROTECTIVE FILMS AND METHODS OF FORMING GLASS ARTICLES WITH PROTECTIVE FILMS
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申请号: US17412471申请日: 2021-08-26
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公开(公告)号: US20220064062A1公开(公告)日: 2022-03-03
- 发明人: Jonas Bankaitis , Alejandro Antonio Becker , Bradley Frederick Bowden , Yuvanash Kasinathan , Albert Roth Nieber , Garrett Andrew Piech , Sergio Tsuda , Kristopher Allen Wieland
- 申请人: CORNING INCORPORATED
- 申请人地址: US NY Corning
- 专利权人: CORNING INCORPORATED
- 当前专利权人: CORNING INCORPORATED
- 当前专利权人地址: US NY Corning
- 主分类号: C03C23/00
- IPC分类号: C03C23/00 ; G11B5/73 ; C03C17/00
摘要:
Glass articles with protective films used for processing hard disk drive substrates and methods of forming glass articles with protective films used for processing hard disk drive substrates are provided herein. In one embodiment, a glass blank includes: a first surface, a second surface opposing the first surface, and an edge surface connecting the first surface and the second surface; wherein the first surface comprises a first coated portion and a first uncoated portion surrounding the first coated portion, wherein the first uncoated portion extends a first distance radially inward from the edge toward a center of the first surface, wherein the second surface comprises a second coated portion and a second uncoated portion surrounding the second coated portion, wherein the second uncoated portion extends a second distance radially inward from the edge toward a center of the second surface.
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