| 发明名称 |
PHOTO COUPLER |
| 摘要 |
<p>PURPOSE:To reduce the number of parts and reduce the reflection loss on lens faces by using semispherical lens having a focus near their plane part as optical focusing devices and performing splitting of light beam by depositing a partly transparent reflecting film on the cemented face of two prisms.</p> |
| 申请公布号 |
JPS5420750(A) |
申请公布日期 |
1979.02.16 |
| 申请号 |
JP19770084779 |
申请日期 |
1977.07.15 |
| 申请人 |
FUJITSU LTD |
发明人 |
TERAI SEIJI;OKUDA SHINYA;KURITA SHIYOUICHI;TANAKA KEIJI;MITA FUMIO |
| 分类号 |
G02B6/28;G02B27/00;G02B27/10;H01L31/12 |
主分类号 |
G02B6/28 |
| 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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