发明名称 |
Plastic optical transmission medium, process for producing the same and array of lenses using the same |
摘要 |
A plastic optical transmission element having a body in which the refractive index varies continuously in a radial direction from the interior toward the surface of the body, may be free from the troubles derived from irregularity of the index distribution and flare by having a layer containing a light-absorbing substance under the surface thereof. Such a layer may be formed by contacting an untreated element with a solvent containing the light absorbing substance, when the solvent is selected so as to be capable of at least partially dissolving the plastic of the element.
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申请公布号 |
US4799761(A) |
申请公布日期 |
1989.01.24 |
申请号 |
US19870031508 |
申请日期 |
1987.03.27 |
申请人 |
MITSUBISHI RAYON CO., LTD. |
发明人 |
YAMAMOTO, TAKASHI;MISHINA, YOSHIHIKO;ODA, MASAAKI |
分类号 |
B29D11/00;D01F6/48;D01F6/52;G02B3/00;G02B6/028;G02B6/122;(IPC1-7):G02B6/18 |
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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