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Blanking manufacturing method of capacitance touch screen

A technology of capacitive touch screen and production method, which is applied in the direction of electric digital data processing, input/output process of data processing, instruments, etc., can solve the problems that the indium tin oxide square resistance value and shadow disappearing effect cannot be taken into account, and the yield rate is low. Achieve the effect of improving visual enjoyment and strong market competitiveness

Inactive Publication Date: 2014-04-02
SHENZHEN LEAGUER OPTRONICS
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Problems solved by technology

[0006] The purpose of the present invention is to provide a blanking manufacturing method for a capacitive touch screen, aiming to solve the problem that the capacitive touch screen in the prior art cannot take into account both the resistance value of the indium tin oxide square and the shadow removal effect, and the problem of low yield

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  • Blanking manufacturing method of capacitance touch screen
  • Blanking manufacturing method of capacitance touch screen
  • Blanking manufacturing method of capacitance touch screen

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] The method for making the blanking structure of a capacitive touch screen provided by the present invention is: first adopt vacuum magnetron continuous plating to deposit a layer of silicon dioxide film 2 on the glass sheet 1 as the bottom layer; then, on the silicon dioxide film 2, A layer of indium tin oxide film 3 is deposited by magnetron sputtering as a conductive film layer; finally, a layer of silicon nitride film 4 is plated on the indium tin oxide film 3 as an erasing layer. In the present invention, indium tin oxide is first deposited on the glass sheet 1, which is easy to control ...

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Abstract

The invention belongs to the technical field of capacitance touch screens, particularly relates to a blanking manufacturing method of a capacitance touch screen. The method includes adopting vacuum magnetic-control continuous plating to deposit a silica film on a glass substrate to serve as a bottom layer; depositing an indium tin oxide film on the silica film through magnetic-control sputtering to serve as an electroconductive film layer; plating a silicon nitride film on the indium tin oxide film to serve as a blanking layer. Indium tin oxide is arranged on the glass substrate, sheet resistance value of indium tin oxide can be easily controlled to be within a preset range, and parameters of the silicon nitriode film are adjusted according to sheet resistance of indium tin oxide and film forming effect, so that lines on indium tin oxide are enabled to be nonobvious, excellent blanking effect is realized, visual enjoyment of a user is improved, the problem that the capacitance touch screen cannot balance the sheet resistance value of indium tin oxide and the blanking effect, and the capacitance touch screen meets market requirements and is high in market competitiveness.

Description

technical field [0001] The invention belongs to the technical field of capacitive touch screens, and in particular relates to a blanking manufacturing method of a capacitive touch screen. Background technique [0002] The ITO glass used in the capacitive touch screen is a kind of transparent conductive glass, which is composed of a layer of transparent conductive film on ordinary white glass. ITO conductive glass is made by coating a layer of indium tin oxide (commonly known as ITO) film on the basis of soda-calcium-based or silicon-boron-based substrate glass by magnetron sputtering. [0003] The special ITO conductive glass for liquid crystal displays is also coated with a silicon dioxide barrier layer before the ITO layer is coated to prevent the sodium ions on the substrate glass from diffusing into the liquid crystal in the cell. The performance indicators of ITO glass are transmittance and electrical resistance, and the transmittance is the most important performance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/044
Inventor 黄亮陈凯黄受林刘锡钢樊斌杰
Owner SHENZHEN LEAGUER OPTRONICS
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