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上海激光研究所与上海永红机器厂研制的激光游标卡尺精密刻线机最近通过技术鉴定。激光用于游标卡尺刻线技术是80年代中期国际上发展起来的一项新的加工技术,它综合了激光、光扫描和光束精密定
Shanghai Laser Institute and Shanghai Yonghong Machinery Factory developed a laser vernier caliper precision engraving machine recently passed technical appraisal. The laser is used in vernier caliper reticle technology. It is a new processing technology developed internationally in the mid-1980s. It combines laser, light scanning, and beam alignment.