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21. 发明授权

US06400390B1 Image recording method and apparatus with a beam incident angle changing device 失效
标题翻译：具有光束入射角改变装置的图像记录方法和装置
公开(公告)号：US06400390B1
公开(公告)日：2002-06-04
申请号：US09584547
申请日：2000-05-31
申请人： Toshikazu Umeda , Yasuaki Tamakoshi
发明人： Toshikazu Umeda , Yasuaki Tamakoshi
IPC分类号： B41J1514
CPC分类号： G02B26/125 , B41J2/471
摘要： An image recording apparatus having a laser beam source which emits a laser beam, and an incident angle changing device for changing an incident angle, in a sub scanning direction of the laser beam emitted from the laser beam source, onto a light sensitive material. The incident angle changing device changes the incident angle of the laser beam emitted from the laser beam source on the light sensitive material from &thgr;1 to &thgr;2. The incident angle &thgr;1, an incident angle &thgr;1′ at which the laser beam is incident at the incident angle &thgr;1 on the light sensitive material, is incident in the light sensitive material. The incident angle &thgr;2, an incident angle &thgr;2′ at which the laser beam is incident at the incident angle &thgr;2 on the light sensitive material, is incident in the light sensitive material. One of integers N satisfies the following formula: (N+0.5−(0.7/&ggr;))
摘要翻译：一种具有发射激光束的激光束源的图像记录装置和用于将从激光束发射的激光束的副扫描方向上的入射角改变为光敏材料的入射角改变装置。入射角度改变装置将从激光光源发射的激光束在光敏材料上的入射角度从θ1改变到θ2。入射角θ1是激光束以光敏材料上的入射角θ1入射的入射角θ1'入射到感光材料中。入射角θ2是激光束以光敏材料上的入射角θ2入射的入射角θ2'入射到感光材料中。整数N中的一个满足以下公式：其中，n表示感光材料的折射率，h表示感光材料的厚度，lambd表示激光束的波长，gamma表示光敏元素的gamma值材料。

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