发明名称 |
Method for manufacturing an optical element containing fluoride in at least its surface portions |
摘要 |
A method for manufacturing an optical element includes replacing fluoride atoms at a surface of the optical element. The surface is imparted with properties of substantial prevention of charge retention and/or substantial prevention of charge build-up to help maintain transmissivity in the optical element.
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申请公布号 |
US6495202(B1) |
申请公布日期 |
2002.12.17 |
申请号 |
US20000656737 |
申请日期 |
2000.09.07 |
申请人 |
NIKON CORPORATION |
发明人 |
TAKI YUSUKE |
分类号 |
G02B13/14;G03F7/20;(IPC1-7):B05D5/06 |
主分类号 |
G02B13/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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