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A processing technology of special-shaped coated glass sheet

A technology of coated glass and processing technology, which is applied in glass production, glass manufacturing equipment, glass cutting devices, etc., can solve problems such as low positioning accuracy, film layer burning, and wave band instability, so as to improve production efficiency and quality, and ensure stability performance, improve the effect of yield rate

Active Publication Date: 2021-10-26
HANGZHOU MDK OPTO ELECTRONICS CO LTD
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing special-shaped coated glass sheets adopt two processing techniques, one is that the glass sheet is first coated and then carved and formed, and the other is that the glass sheet is first coated and then invisible cut and formed. The former will lead to instability in the curve band of the special-shaped coated glass sheet , the film layer is easily damaged, and the forming process is relatively complicated, the production efficiency and yield rate are low, and the positioning accuracy is low, and the latter needs to be covered with UV film due to invisible cutting, which consumes a lot of UV film. The warpage of the film layer after coating has a certain influence on the quality of invisible cutting, and the film layer sometimes burns (such as Figure 5 Shown) Therefore, the requirements for coating and invisible cutting are higher

Method used

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  • A processing technology of special-shaped coated glass sheet
  • A processing technology of special-shaped coated glass sheet
  • A processing technology of special-shaped coated glass sheet

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Effect test

Embodiment 1

[0026] Embodiment 1 refers to figure 1 , the processing technology of a kind of special-shaped coated glass sheet of the present invention, comprises the following several steps: the first step, laser rapid cutting equipment cuts out special-shaped pattern 3 on glass sheet 4; A number of symmetrically distributed laser cutting leads 2 are cut out; in the third step, the laser rapid cutting equipment cuts out the frame 1 on the glass sheet 4; in the fourth step, the glass sheet 4 is cleaned, and the cleaned glass sheet 4 is placed Enter the coating equipment for coating; the fifth step, remove the special-shaped pattern 3 along the laser cutting lead 2 and frame 1, wherein the laser rapid cutting equipment is a picosecond laser that can emit a wavelength of 1050nm laser, and the frequency of the picosecond laser is 80kHz , the number of pulses of the picosecond laser is 5, the point pitch of the picosecond laser is 15 μm, the coating equipment is a coating sputtering machine, ...

Embodiment 2

[0027] Embodiment 2 refers to figure 1 , the processing technology of a kind of special-shaped coated glass sheet of the present invention, comprises the following several steps: the first step, laser rapid cutting equipment cuts out special-shaped pattern 3 on glass sheet 4; A number of symmetrically distributed laser cutting leads 2 are cut out; in the third step, the laser rapid cutting equipment cuts out the frame 1 on the glass sheet 4; in the fourth step, the glass sheet 4 is cleaned, and the cleaned glass sheet 4 is placed Enter the coating equipment for coating; the fifth step, remove the special-shaped pattern 3 along the laser cutting lead 2 and frame 1, wherein the laser rapid cutting equipment is a picosecond laser that can emit a wavelength of 1070nm laser, and the frequency of the picosecond laser is 40kHz , the number of pulses of the picosecond laser is 3, the point pitch of the picosecond laser is 8 μm, the coating equipment is a coating sputtering machine, t...

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Abstract

The invention discloses a process for processing a special-shaped coated glass sheet, which comprises the following steps: first, a laser rapid cutting device cuts a special-shaped pattern on the glass sheet; second, a laser rapid cutting device cuts a number of Symmetrically distributed laser cutting leads; the third step, the laser rapid cutting equipment cuts out the frame on the glass sheet; the fourth step, cleans the glass sheet, and puts the cleaned glass sheet into the coating equipment for coating; the fifth step , remove the profiled pattern along the laser cut leads and border. The invention has the advantages of improving the production efficiency and quality of the special-shaped coated glass sheet, improving the rate of good products, ensuring the stability of the curve band of the film layer, and the like.

Description

【Technical field】 [0001] The invention relates to the technical field of processing technology for coated sheets, in particular to the technical field of processing technology for special-shaped coated glass sheets. 【Background technique】 [0002] Coated glass sheets are often used to make optical components, and special-shaped coated glass sheets are required for some optical components with special shapes. Most of the existing special-shaped coated glass sheets adopt two processing techniques, one is that the glass sheet is first coated and then carved and formed, and the other is that the glass sheet is first coated and then invisible cut and formed. The former will lead to instability in the curve band of the special-shaped coated glass sheet , the film layer is easily damaged, and the forming process is relatively complicated, the production efficiency and yield rate are low, and the positioning accuracy is low, and the latter needs to be covered with UV film due to inv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B33/02C03C17/00
CPCC03B33/0222C03C17/002C03C2218/154Y02P40/57
Inventor 葛文志翁欽盛陈银培
Owner HANGZHOU MDK OPTO ELECTRONICS CO LTD
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