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Device with internal laser carving

A laser engraving and laser technology, which is applied in the direction of lasers, semiconductor lasers, laser welding equipment, etc., can solve the problems of large burst point size, slow engraving speed, large vibration and noise, etc.

Active Publication Date: 2010-07-21
HANS LASER TECH IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems of large burst point size and too rough pattern in the material produced by the internal engraving device based on the traditional laser wavelength in the prior art
In addition, the present invention further improves the existing defects of the existing laser engraving machine, such as slow engraving speed, high vibration and noise

Method used

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  • Device with internal laser carving
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  • Device with internal laser carving

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] Such as figure 1 as shown, figure 1 It is a structural schematic diagram of an embodiment of the ultraviolet internal engraving device of the present invention. In this embodiment, the ultraviolet engraving device 1 includes: a laser generator 2 for generating an ultraviolet laser with a wavelength of 0.355 μm, a beam expander 3, a vibrating mirror scanner including at least two reflective vibrating mirrors 42, 43, a Focusing F-Theta lens 5 and a workbench 6 for carrying the material to be processed (not shown), wherein the reflective galvanometers 42, 43 can drive the laser beam to perform fast two-dimensional scanning in a predetermined plane under computer control , and the workbench 6 is driven by a one-dimensional transmission mechanism in a direction perpendicular to the predetermined plane under the control of the computer.

[0017] T...

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Abstract

The present invention relates to a laser internal carving device. The laser internal carving device comprises a worktable used for bearing processing-waiting objects; a laser generator used for producing a laser beam with a prescheduled wavelength; a laser beam converging mechanism used for converging the laser beams to the subsurface of the processing-waiting object to form a laser converging point which is capable of destroying the innate features of the processing-waiting object; a transmission mechanism used for transmitting the laser converging point according to the processing-waiting object, and the working wavelength of the laser beam is in the ultraviolet range. With the structure, man-made crystal, and the relatively strong absorption of the glass to the ultraviolet wave band, the volume of the burst point produced in the object is smaller; the generated pattern is more delicate and vivid.

Description

【Technical field】 [0001] The invention relates to an internal engraving device, more particularly to a laser internal engraving device which uses a laser beam to form a mark inside a material. 【Background technique】 [0002] In the past ten years, in the laser engraving process, the traditional laser beam with a wavelength of 1.06 μm or 0.532 μm is usually used. Convergence points, and form tiny visible burst points by changing the internal properties of transparent matter. By using an appropriate transmission mechanism to drive the converging point in the transparent material, a series of lifelike inner carving patterns or symbols can be formed inside the transparent material such as artificial crystal and glass. However, the burst spots formed by laser beams with traditional wavelengths are generally large in size, with a diameter of about 50-200 μm, or even larger. When these bursting points are used to form a three-dimensional or two-dimensional planar pattern, the dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B44B1/00B23K26/00G02F1/11G02B26/10H01S5/00B23K26/50
Inventor 高云峰周朝明刘庆学
Owner HANS LASER TECH IND GRP CO LTD
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