An etching line process for increasing fishing line

Abstract

The invention relates to the technical field of touch screen etching, and in particular relates to an etching line process with a fishing line. The etching line process comprises the following steps: (1) providing a soft substrate, and adding an etching-resistant ink layer on the surface of an ITO conductive layer of the soft substrate in a silk-screen manner; (2) powering on etching equipment to etch the soft substrate, setting a first fishing line contacting the lower surface of the soft substrate between adjacent rollers 1, driving the soft substrate to move through a roller group, spraying an etching liquid through a plurality of nozzles, and removing parts uncovered by the etching-resistant ink layer, of the ITO conductive layer; (3) spraying an ink removing liquid through an ink removing device, and removing the etching-resistant ink layer. As the fishing line which is good in softness and acid-base resistance is threaded between an etching line and rollers, and the fishing line is arranged above the soft substrate, so that the soft substrate can be prevented from being warped up or sunk down in the etching process; components of the etching liquid are matched with one another, so that etching can be performed uniformly and stably, and edges of etched electrode patterns can be tidy; the etching line process is low in cost, simple in process and high in etching efficiency.

Description

technical field [0001] The invention relates to the technical field of touch screen etching, in particular to an etching line process for adding fishing lines. Background technique [0002] In the existing touch screen etching equipment, multiple rollers are commonly used to transport the soft substrate. There is a certain distance between the rollers. The rollers are mostly made of hard materials. When the soft materials that are easy to bend are conveyed by hard rollers, warping is easy to occur. , and when the etchant is sprayed, the pressure of the etchant will also warp or dent some areas of the flexible substrate, resulting in material jams on the etching line, resulting in incomplete etching, and affecting the performance and product yield of the touch screen. Most touch screen etching equipment has a good etching effect when etching glass. If you want to etch soft materials such as Film, you can only add traction glass or add PET on the surface of ITO Film. The forme...

AI Technical Summary

Problems solved by technology

[0002] In the existing touch screen etching equipment, multiple rollers are commonly used to transport the soft substrate. There is a certain distance between the rollers. The rollers are mostly made of hard materials. When the soft materials that are easy to bend are conveyed by hard rollers, warping is easy to occur. , and when the etchant is sprayed, the pressure of the etchant will also warp or dent some areas of the flexible substrate, resulting in material jams on the etching line, resulting in incomplete etching, affecting the performance and product yield of the touch screen

Touch screen etching equipment mostly has a good etching effect when etching glass. If you want to etch soft materials such as Film, you can only add traction glass or add PET on the surface of ITO Film. The former results in low etching efficiency, and the latter increases the cost.

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