发明名称 |
Plastic optical element, plastic optical element producing method and plastic optical element producing apparatus |
摘要 |
A plastic optical element producing method produces a plastic optical element by an ejection molding, and includes the step of cooling an optical surface of the plastic optical element with priority in a state where a temperature of the plastic optical element is within a predetermined temperature range which is less than or equal to a glass transition temperature of the resin material.
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申请公布号 |
US2002036747(A1) |
申请公布日期 |
2002.03.28 |
申请号 |
US20010963634 |
申请日期 |
2001.09.27 |
申请人 |
YAMANAKA YASUO;WATANABE JUN;SAWADA KIYOTAKA |
发明人 |
YAMANAKA YASUO;WATANABE JUN;SAWADA KIYOTAKA |
分类号 |
G02B1/04;B29C45/78;B29C71/00;B29C71/02;B29D11/00;G02B3/00;(IPC1-7):G02B1/12;B29C71/04 |
主分类号 |
G02B1/04 |
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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