Blade for etching glass substrate

A technology of glass substrates and blades, applied in optics, instruments, electrical components, etc., can solve the problems of glass substrate spots or uneven thickness, uneven distribution of etching solution, changes in etching solution, etc., to achieve convenient operation, shortening and thinning Process operation time, the effect of improving production efficiency

Inactive Publication Date: 2014-02-12
NOVA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, due to the specific surface tension of the etching solution and the viscosity of the glass substrate, even if the blade 200 is used, the etching solution will flow inward and agglomerate, so that the etching solution cannot be evenly distributed on the entire surface of the glass substrate. Causes of spots or uneven thickness on the glass substrate
[0005] In addition, it is cumbersome to align the glass substrate according to the flow of the etching solution, but unlike the initial alignment, the flow of the etching solution still changes due to viscosity, etc., resulting in the same problem

Method used

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  • Blade for etching glass substrate
  • Blade for etching glass substrate
  • Blade for etching glass substrate

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Embodiment Construction

[0025] specific implementation plan

[0026] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0027] Such as image 3 As shown, the vertical flow glass substrate etching blade 200 is made into a curved shape at its end. That is, the end portion of the blade is formed by shapes such as corrugated shape, zigzag shape, four-corner concave-convex, diamond-shaped concave-convex, circular concave-convex and the like. Such as figure 1 sectional view of and image 3 As shown in the sectional view of , the thickness of the blade becomes thinner toward the end, and the etching solution flows down along the outer peripheral surface of the blade. And, the inside of the blade can be made into a hollow space, a slit for the inflow of the etching solution is provided at the upper end, and a hole (hole) or a crack is formed at the curved end. At this time, the etching solution can not only flow down thro...

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Abstract

The invention relates to a blade for etching a glass substrate used for the vertical flow-type thinning of the glass substrates such as display panels and solar cells. By using the conventional line-shaped blades, the etching solution can be aggregated toward the inner sides, and therefore the weak etching uniformity can exist, and spots can be disposed on the glass substrates. The end of the blade provided by the invention is in the curved shape, and the etching solution can flow downwards uniformly along the whole surfaces of the glass substrates.

Description

technical field [0001] The present invention relates to a glass substrate etching device used for display panels, solar cells, etc., and particularly relates to a blade structure for the etching device used for thinning in a vertical flow method. Background technique [0002] As a main part of a display panel etc., the glass substrate etched (thinned) with a thin thickness is mentioned. Such a thin glass substrate is produced by thinly etching a glass substrate having a thickness of 1 mm or more with an etching solution. After several processes are performed on a thicker glass substrate with a low breakage rate, one side is etched for thinning treatment, or the glass substrate can be etched and thinned on both sides before the process is performed. The thinning process of the glass substrate is performed by chemical etching using an etching solution, and any method of a liquid immersion method, a spray method, and a vertical flow method can be used for the thinning method. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C15/00
CPCC03C15/00G02F1/133302H01L21/67075H01L21/6715
Inventor 黄龙云姜东昊
Owner NOVA TECH INC
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