Light absorbing film and optical image device
The utility model provides a light absorption film and an optical imaging device, and relates to the technical field of optical films, the light absorption film comprises an alloy substrate, a bonding layer and an antireflection layer, the bonding layer is arranged on the alloy substrate, and the an...
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| creator | WANG YING LU ZHANGWU XU ZHENGCHI LI GONGJIAN |
| description | The utility model provides a light absorption film and an optical imaging device, and relates to the technical field of optical films, the light absorption film comprises an alloy substrate, a bonding layer and an antireflection layer, the bonding layer is arranged on the alloy substrate, and the antireflection layer is arranged on the bonding layer. According to the light absorption film, the light absorption effect can be achieved through the alloy substrate and the antireflection layer, so that stray light is further reduced, and the applicability of the light absorption film in optical image equipment needing ultralow stray light is improved; and the bonding degree of the alloy substrate and the antireflection layer is enhanced through the bonding layer, so that the falling risk of the antireflection layer is reduced. In addition, the alloy substrate has better ductility, is not easy to break, has better thermal tolerance, and can be used as a protective layer under a certain dark background.
本实用新型提供了一种吸光 |
| format | Patent |
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本实用新型提供了一种吸光</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS |
| title | Light absorbing film and optical image device |
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