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本文介绍了四束激光扫描照排机,照排机内安装有四支氦氖激光器及四个声光调制器。激光束通过四支光学纤维传输,在光纤的输出端四支光纤是精密横排的。该机一秒钟可以照排50个五号汉字,照排的阴图文字与阳图文字具有同样的高质量。
In this paper, four laser scanning imagesetters are introduced. Four helium-neon laser and four acousto-optic modulators are installed in the imagesetter. The laser beam is transmitted through four optical fibers and the four fibers at the output of the optical fiber are precisely horizontal. The machine can be arranged for a second 50 Chinese characters on the 5th, according to the layout of the negative text and positive text has the same high quality.