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Processing method for single-sided shadow eliminating conductive glass of touch screen

A technology of conductive glass and processing method, which is applied in the processing field of conductive glass for single-sided shadow-elimination touch screen, which can solve the problems of viewing pattern influence, electromagnetic shielding, electrostatic protection function, etc., and achieve high uniformity, good electromagnetic shielding, and low cost Effect

Inactive Publication Date: 2016-01-27
LUOYANG KANGYAO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the production process, it is easy to etch away parts that should not be etched, and there are traces of circuit etching, which affect its electromagnetic shielding and electrostatic protection functions. The existing traces of etch will affect the viewing pattern

Method used

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  • Processing method for single-sided shadow eliminating conductive glass of touch screen

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Both surfaces of the glass substrate 1 are tin surfaces 2, and an interference layer 1 3 is arranged above the tin surface 2 on the upper surface of the glass substrate 1, and a transparent passivation layer 4 is arranged between the interference layer 1 3 and the interference layer 2 5, and the interference layer 2. An ITO film 7 is provided above the glass substrate 1, a transparent layer 6 is provided below the tin surface 2 on the lower surface of the glass substrate 1, and an ITO film 7 is provided below the transparent layer 6;

[0028] The transparent passivation layer 4 adopts transparent silicon dioxide or transparent silicon oxynitride;

[0029] The first interference layer 3 and the second interference layer 5 both use niobium pentoxide.

Embodiment 2

[0031] In the first step, the glass substrate 1 is processed,

[0032] A. Cutting the glass substrate 1, first X cutting, then Y cutting, and then breaking into pieces;

[0033] B. Carry out edging and chamfering to the cut glass substrate 1, first X edging, then chamfering, rotate 90° and then Y edging and chamfering;

[0034] C. Scrub and dry;

[0035] D, polishing the glass substrate 1 after edge grinding and chamfering;

[0036] E, then brush and dry;

[0037] In the second step, the first interference layer 3, the transparent passivation layer 4, the second interference layer 5 and the transparent layer 6 are sputtered on the glass substrate 1;

[0038] A. Heating the glass substrate 1 after polishing, scrubbing and drying; the heating temperature used is 150-280 degrees Celsius;

[0039] B. Using magnetron sputtering vacuum coating equipment to sputter an interference layer-3 above the tin surface 2 on the upper surface of the heated glass substrate 1, and sputter a ...

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Abstract

A processing method for single-sided shadow eliminating conductive glass of a touch screen comprises following steps: step 1, a glass substrate is processed; step 2, an interference layer I, a transparent passivation layer, an interference layer II and a transparent layer are sputtered on the glass substrate; step 3, an ITO (indium tin oxide) film is sputtered on the glass substrate on the basis of sputtering in the step 2. The single-sided shadow eliminating conductive glass has good electromagnetic shielding, electrostatic protection and shadow eliminating functions and can completely replace the traditional conductive glass, and the conductive glass having low energy consumption, high uniformity and low cost and used for production of a capacitive touch screen is provided for down-stream customers.

Description

technical field [0001] The invention relates to the technical field of conductive glass, in particular to a method for processing conductive glass for a single-sided shadow-elimination touch screen. Background technique [0002] At present, capacitive screen products are widely used, and the double-sided conductive glass in the capacitive screen is its main component. The conductive film coated with conductive glass on both sides has relatively strict performance requirements, such as uniformity, heat resistance, acid and alkali resistance. Performance, high temperature and high humidity resistance, etc.; when making transparent circuits, due to the increased process difficulty, acid engraved circuits are often used when making circuits. During the production process, it is easy to etch away parts that should not be etched, and there are traces of circuit etching, which affect its electromagnetic shielding and electrostatic protection functions, and the existing traces of et...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/36
Inventor 秦遵红王恋贵董安光谭华
Owner LUOYANG KANGYAO ELECTRONICS
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