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A kind of production method of cover plate silica-alumina glass with capacitive touch function

A silicon-alumina glass, touch function technology, applied in the direction of electrical digital data processing, data processing input/output process, instruments, etc., can solve the problems affecting production efficiency and yield, difficult cutting, high hardness, etc., to achieve yield High, high cutting efficiency effect

Active Publication Date: 2015-11-18
WUHU TOKEN SCI
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  • Application Information

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Problems solved by technology

However, due to the high hardness of the cover plate silicon-alumina glass in the production process, it is difficult to cut the base material into finished products, and cracks and other phenomena may occur, which affect production efficiency and yield

Method used

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  • A kind of production method of cover plate silica-alumina glass with capacitive touch function

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Embodiment Construction

[0023] The production method of the cover silica-alumina glass with capacitive touch function is as follows:

[0024] (1) The silica-alumina glass is cut into the size of the base material and ground and chamfered; the silica-alumina glass substrate can be selected from Corning’s Gorilla, Asahi Glass’s DragonTrail and Schott’s Xensation. The thickness of the glass depends on the product requirements, and the general thickness is 0.4~ 3.0mm, preferably 300X400X1.1mm silica-alumina glass substrate;

[0025] (2) Print a peelable protective film on both sides of the glass substrate by silk screen printing, see figure 1 It can be seen that the OGS product area 2 arranged in a grid shape divides the substrate into the coating area 1 and the OGS product area 2, and the protective film covers the upper and lower surfaces of the OGS product area 2. The protective film is a single-component thermosetting adhesive for screen printing. As a protective coating, it has the function of wate...

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Abstract

The invention discloses a production process for cover plate silicon-aluminum glass with a capacitance touch function. The method comprises the following steps of (1) slitting silicon-aluminum glass into base material size and polishing edge and chamfering; (2) printing a protective film on two sides of an OGS (optical guidance system) product area of the silicon-aluminum glass; (3) plating a resistant and protective layer on two sides of the silicon-aluminum glass in a vacuum coating manner; (4) tearing down the protective film and carrying out a chemical tempering process on the resistant and protective layer on the surface of the silicon-aluminum glass; (5) coating a pattern layer on the OGS product area; (6) manufacturing a capacitance touch screen with a single face structure in the OGS product area; (7) coating an organic coating layer in the OGS product area; and (8) cutting in a coating area. According to the production process, the cover plate silicon-aluminum glass with the capacitance touch function can be produced efficiently, the cutting efficiency is high and the rate of finished products is high.

Description

technical field [0001] The invention relates to a production method of a cover plate silica-alumina glass with capacitive touch function. Background technique [0002] At present, the mainstream projected capacitive touch screen panels mainly made of glass substrates in the market are composed of products that integrate touch glass (TouchSensor) and protective glass (CoverGlass). The main problems of this design are that the process is complex, the cost is too high, the thickness of the components is too thick, the weight is too heavy, and the yield rate is low. In addition, due to the lamination of two pieces of glass, the light transmittance of the entire capacitive touch screen assembly is relatively poor, which cannot meet the requirements of a true-color and high-resolution liquid crystal display. [0003] The cover silicon-alumina glass with capacitive touch function solves the problem of complex process and structure caused by two pieces of glass. At the same time, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044
Inventor 陈奇沈励许沭华周琦迟晓辉高嵩胡里程曹永祥
Owner WUHU TOKEN SCI