发明名称 |
METHOD FOR PRODUCING MOLD FOR ZONTAL OPTICAL ELEMENT |
摘要 |
A mold for a zonal optical element. The mold includes a circular portion at the mold side corresponding to the circular portion possessed by the zonal optical element; at least one zonal surface at the mold side corresponding to the zonal surface possessed by the zonal optical element; and at least one corner portion between said boundary portion at the mold side and said zonal surface at the mold side wherein said corner portion is in a sharpened state formed by bringing a raked surface of a tip into contact with a portion a portion corresponding to said boundary wall surface.
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申请公布号 |
US2008265451(A1) |
申请公布日期 |
2008.10.30 |
申请号 |
US20080164707 |
申请日期 |
2008.06.30 |
申请人 |
FUJIFILM CORPORATION |
发明人 |
KIMURA SHINTARO |
分类号 |
B29D11/00;G02B3/00;B23B1/00;B23B5/36;B23B27/14;G02B3/08 |
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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