![METHOD OF MANUFACTURING GLASS SUBSTRATE AND INFORMATION RECORDING MEDIUM](/abs-image/US/2013/08/22/US20130213091A1/abs.jpg.150x150.jpg)
基本信息:
- 专利标题: METHOD OF MANUFACTURING GLASS SUBSTRATE AND INFORMATION RECORDING MEDIUM
- 专利标题(中):制造玻璃基板和信息记录介质的方法
- 申请号:US13846405 申请日:2013-03-18
- 公开(公告)号:US20130213091A1 公开(公告)日:2013-08-22
- 发明人: Hiroaki IKEDA , Masaru Suzuki , Kazuna Sasaki , Yumi Mukai , Jun Ozawa
- 申请人: Hiroaki IKEDA , Masaru Suzuki , Kazuna Sasaki , Yumi Mukai , Jun Ozawa
- 优先权: JP94409/1999 19990331; JP114990/1999 19990422
- 主分类号: C03C21/00
- IPC分类号: C03C21/00
摘要:
In a method of manufacturing a glass substrate for an information recording medium including a step for chemically strengthening the glass substrate by contacting the glass substrate with chemical strengthening processing liquid containing chemical strengthening salt, concentration of Fe and Cr is 500 ppb or less in said chemical strengthening salt, respectively. The concentration may be detected by the use of an ICP (Inductively Coupled Plasma) emission spectrometry analyzing method or a fluorescent X-ray spectroscopy analyzing method.
摘要(中):
在制造用于信息记录介质的玻璃基板的方法中,包括通过使玻璃基板与含有化学强化盐的化学强化处理液接触来化学强化玻璃基板的步骤,在所述化学品中Fe和Cr的浓度为500ppb以下 分别加强盐。 可以通过使用ICP(电感耦合等离子体)发射光谱分析法或荧光X射线光谱分析法来检测浓度。
公开/授权文献:
IPC结构图谱:
C | 化学;冶金 |
--C03 | 玻璃;矿棉或渣棉 |
----C03C | 玻璃、釉或搪瓷釉的化学成分;玻璃的表面处理;由玻璃、矿物或矿渣制成的纤维或细丝的表面处理;玻璃与玻璃或与其他材料的接合 |
------C03C21/00 | 通过表面离子或金属扩散法处理纤维或丝之外的玻璃 |