发明名称 |
Preform for molding an optical element and optical element molding method |
摘要 |
A preform (10) for molding an optical element includes an element body forming portion for forming an element body having optical surfaces and a flange forming portion provided in a periphery of the element body forming portion, and when the preform is deformed through heating and compressing inside a space enclosed by an upper die and a lower die and a barrel die (26) of a molding device, the outer periphery of the flange forming portion is formed to have abutment portions (17) that abut on the inner surface of the barrel die and non-abutment portions (18) that do not abut on the inner surface of the barrel die. |
申请公布号 |
EP2353849(A3) |
申请公布日期 |
2016.10.05 |
申请号 |
EP20100191867 |
申请日期 |
2010.11.19 |
申请人 |
FUJIFILM CORPORATION |
发明人 |
MIYAMOTO, HARUHIKO;YOSHIOKA, MASATO;FUJIWARA, TAKAYUKI |
分类号 |
B29D11/00;B29C43/02 |
主分类号 |
B29D11/00 |
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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