Carving method of stamping seal by laser beam
专利汇可以提供Carving method of stamping seal by laser beam专利检索，专利查询，专利分析的服务。并且PURPOSE: To simultaneously meet antinomic conditions of processing accuracy and efficiency by a method wherein the focus of lens converging laser beams is adjusted on the surface of a stamp material and scanning lines for the processing point of laser beams are set at a specific parallel interval.
CONSTITUTION: By moving a movable table 1 in the direction of axes x and y, the light spot 17 of a projected beam on to an original figure 7 and the processing point 18 of laser beams 12 on the stamp surface 6a of a stamp material 6 are synchronized and made to scan the original figure 7 and the stamp surface 6a. When the surface of the original figure 7 is scanned by the light from a light source 14, the reflected ray thereof is strong on the surface of the white element of the original figure 7, but weak on the part where the original figure of a black letter is entered as well as on the black surface of a plate 8. This difference in strength of the reflected ray is detected by a photoelectric transducer 15 and, the irradiation of beams being stopped and continued, the back letter of the original figure is carved on the sealing surface 6a. At this time, the sending interval of the table 1 in the direction of axis y, i.e. the parallel interval of the scanning line l for the processing point 18, is set to be 0.03W0.07mm.
COPYRIGHT: (C)1980,JPO&Japio，下面是Carving method of stamping seal by laser beam专利的具体信息内容。
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