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Method for carving back surface of silver mirror with laser

A laser engraving and silver mirror technology, applied in engraving, chemical instruments and methods, and processes for producing decorative surface effects, etc., can solve the problems of slag engraving effect and unevenness, and achieve the effect of avoiding slag drop.

Inactive Publication Date: 2009-12-30
WUHAN NUION STEEL PROCESS
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Problems solved by technology

[0007] Aiming at the deficiencies of the prior art, the object of the present invention is to provide a laser engraving method on the back of the silver mirror to solve the problem of "slag formation" or uneven engraving effect in the process of processing

Method used

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Embodiment Construction

[0022] In order to better understand the shape, structure and features of the present invention, the present invention will be described in detail below through preferred embodiments and with reference to the accompanying drawings.

[0023] Before describing the processing method of this application in detail, it is necessary to introduce the basic structure of the mirror. In this application, we call the light-transmitting glass surface of the mirror the front, and the opaque reflection surface is the back. The mirror is divided into aluminum mirror, silver mirror and so on. The back of the aluminum mirror is only coated with a layer of aluminum and a layer of paint. The vacuum plating method is used for aluminum plating, so laser processing is more convenient, and it can basically be engraved at one time (the uncertainty factor is small, and the probability of one-time success is relatively high). The back of the silver mirror is generally first plated with reflective layer ...

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Abstract

The invention relates to a method for carving the back surface of a silver mirror with laser, wherein the back surface of the silver mirror is plated with a metal layer which is coated with a paint layer. The method comprises the following steps: (1) laser carving equipment firstly beats away the paint layer positioned on the back surface of the silver mirror and also beats away 90-95 percent of the width of the metal layer plated on the back surface of the silver mirror; (2) and then the laser carving equipment continuously carves the back surface of the silver mirror to penetrate through the metal layer plated on the back surface of the silver mirror to obtain predetermined patterns. The invention can solve the problem of easy dreg generation or non-uniform carving effect in the processing process by using the method to carve the back surface of the silver mirror.

Description

technical field [0001] The invention relates to a laser engraving method, in particular to a laser engraving method on the back of a silver mirror. Background technique [0002] Currently on the market, decorative materials that are often used for engraving include two-color boards, acrylic (plexiglass), PVC boards, etc. However, these decorative materials are generally expensive, all higher than 35 yuan per square meter. Glass and mirrors are different. The highest market price of glass on the market is only about 20 yuan per square meter, and the wholesale price of mirrors does not exceed 40 yuan per square meter. Therefore, it is very advantageous to combine the high decorative effect and cheap advantages of mirrors to make new products. [0003] Existing methods for surface engraving using glass or mirrors mainly include sandblasting and etching. The so-called sandblasting method is to use a sandblasting machine to roughen the surface of the glass or mirror that needs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B44C1/22B44B3/00A47G1/00B32B15/04B32B17/06B41J2/475
Inventor 朱
Owner WUHAN NUION STEEL PROCESS
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