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A manufacturing process of a pg structure touch screen

A manufacturing process, touch screen technology, applied in the input/output process of data processing, conductive materials dispersed in non-conductive inorganic materials, adhesive types, etc. Low yield and other problems, to achieve the effect of reducing production cost, simplifying process, and high product yield

Active Publication Date: 2016-05-18
DONGGUAN PINGBO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The PG structure touch screen is composed of sensor glass + PET plastic cover structure. The PG structure touch screen is widely used due to the advantage of low production cost. However, the existing PG structure touch screen has many uncontrollable factors, resulting in low product yield. poor performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] A manufacturing process of a touch screen with a PG structure, which includes a front-end process and a back-end process:

[0046] A, front section process, it comprises the following steps successively:

[0047] Step A1, cleaning the DITO glass, the DITO glass includes a glass layer, the front side of the glass layer is provided with an ITO layer, and the back side of the glass layer is also provided with an ITO layer;

[0048] Step A2, printing acid-resistant ink on the ITO layer of the front and back frame areas of the DITO glass, and then etching the ITO layer of the front and back window areas of the DITO glass with an etching solution to obtain DITO glass with ITO wiring on the front and back, Then use lye to remove the acid-resistant ink;

[0049] Step A3, printing protective glue on the front and back window areas of the etched DITO glass respectively, and silk-screening conductive silver paste on the front and back frame areas of the etched DITO glass respecti...

Embodiment 2

[0081] A manufacturing process of a touch screen with a PG structure, which includes a front-end process and a back-end process:

[0082] A, front section process, it comprises the following steps successively:

[0083] Step A1, cleaning the DITO glass, the DITO glass includes a glass layer, the front side of the glass layer is provided with an ITO layer, and the back side of the glass layer is also provided with an ITO layer;

[0084] Step A2, printing acid-resistant ink on the ITO layer of the front and back frame areas of the DITO glass, and then etching the ITO layer of the front and back window areas of the DITO glass with an etching solution to obtain DITO glass with ITO wiring on the front and back, Then use lye to remove the acid-resistant ink;

[0085] Step A3, printing protective glue on the front and back window areas of the etched DITO glass respectively, and silk-screening conductive silver paste on the front and back frame areas of the etched DITO glass respecti...

Embodiment 3

[0117] A manufacturing process of a touch screen with a PG structure, which includes a front-end process and a back-end process:

[0118] A, front section process, it comprises the following steps successively:

[0119] Step A1, cleaning the DITO glass, the DITO glass includes a glass layer, the front side of the glass layer is provided with an ITO layer, and the back side of the glass layer is also provided with an ITO layer;

[0120] Step A2, printing acid-resistant ink on the ITO layer of the front and back frame areas of the DITO glass, and then etching the ITO layer of the front and back window areas of the DITO glass with an etching solution to obtain DITO glass with ITO wiring on the front and back, Then use lye to remove the acid-resistant ink;

[0121] Step A3, printing protective glue on the front and back window areas of the etched DITO glass respectively, and silk-screening conductive silver paste on the front and back frame areas of the etched DITO glass respecti...

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PUM

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Abstract

The invention relates to the technical field of touch screens, in particular to a manufacturing process of a PG-structured touch screen. The invention puts the screen printing conductive silver paste process in front of the printing insulating glue process, and only uses a layer of insulating glue. Compared with the existing traditional The technology uses two layers of insulating glue, which reduces the yellow light process and simplifies the touch screen process, thereby reducing production costs. The present invention adds a process of pasting a protective film in the manufacturing process to prevent the product from being polluted or scratched during the production process, which affects the yield rate of the product. To sum up, through the above-mentioned manufacturing process, the yield rate of the manufactured product is high and the performance is better than that of similar products.

Description

technical field [0001] The invention relates to the technical field of touch screens, in particular to a manufacturing process of a touch screen with a PG structure. Background technique [0002] The touch screen is an input device that significantly improves the man-machine interface, and has the advantages of intuition, simplicity and speed. Touch screens have been widely used in many electronic products, such as mobile phones, PDAs, multimedia, public information inquiry systems, and the like. [0003] The PG structure touch screen is composed of sensor glass + PET plastic cover structure. The PG structure touch screen is widely used due to the advantage of low production cost. However, the existing PG structure touch screen has many uncontrollable factors, resulting in low product yield. Poor performance. Contents of the invention [0004] The object of the present invention is to provide a manufacturing process of a PG structure touch screen with high product yield ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041C03C15/00C03C17/06C09J133/16C09J175/14C09J163/10C09J161/32C09J11/04H01B1/22
Inventor 李林波
Owner DONGGUAN PINGBO ELECTRONICS
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