发明名称 |
Diffusion plate |
摘要 |
This application relates to a diffusion plate having microlens-like curved surfaces of a size of 10 to several tens of mu m arranged periodically in two dimensions on the surface of the substrate thereof. Curved surfaces are formed between the microlens-like curved surfaces. Further, irregularly arranged minute concave and/or convex surfaces are formed on the microlens-like curved surfaces.
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申请公布号 |
US4427265(A) |
申请公布日期 |
1984.01.24 |
申请号 |
US19810275406 |
申请日期 |
1981.06.18 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
SUZUKI, TAKASHI;IIZUKA, KIYOSHI;OHTAKA, KEIJI;MIZUTANI, HIDEMASA |
分类号 |
G02B5/02;G03B13/24;(IPC1-7):G02B5/02 |
主分类号 |
G02B5/02 |
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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