FOG touch screen and production process thereof
A production process and touch screen technology, applied in the direction of instruments, calculations, electrical digital data processing, etc., can solve the problems of low production efficiency, low production yield, complex structure, etc., achieve low production cost, improve adhesion performance, reduce The effect of volume resistance
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Embodiment 1
[0039] A kind of production technique of FOG touch screen, comprises the steps:
[0040] (1) Printing and etching paste: clean the ITO, set aside, print the etching paste on the front of the ITO, inspect, bake and clean, then print the etching paste on the back of the ITO, inspect, bake and then clean, according to the design drawings in the ITO A plurality of electrodes are etched on it;
[0041] (2) Print protective glue: print protective glue on the front of the ITO after step (1) printing etching paste, bake, then print protective glue on the reverse side of ITO, bake again;
[0042] (3) Printing silver paste: print silver paste on the front side of ITO after step (2) printing protective glue, inspect, bake, then print silver paste on the back of ITO, inspect, and bake again;
[0043] (4) Laser laser: The front and back sides of the ITO after printing silver paste in step (3) are etched out by laser laser according to the design drawings and the corresponding positions of...
Embodiment 2
[0060] The difference between this embodiment and the above-mentioned embodiment 1 is:
[0061] In described step (1), printing etch paste uses screen plate to be 380 orders, and pressure is 5kg / cm 2 , the speed is 3mm / s; the baking temperature is 90°C, and the baking time is 40min.
[0062] In the step (2), the printing protective glue uses a screen with a screen size of 180 mesh and a pressure of 5kg / cm 2 , the speed is 3mm / s, the thickness is 18μm; the baking temperature is 110°C, and the baking time is 40min.
[0063] The protective glue is made of the following raw materials in parts by weight: 25 parts of acrylated polyacrylate, 12 parts of amino resin, 8 parts of alkyd resin, 9 parts of polyamide resin, 5 parts of maleic acid modified rosin resin, 2 parts -2 parts of hydroxy-2-methyl-1-phenyl-1-acetone, 1.2 parts of sodium lauryl sulfate, 5 parts of nano silicon powder, 1.5 parts of monoglyceride stearate, polydimethylsiloxane 1.2 parts, 0.8 parts of polyoxyethylene ...
Embodiment 3
[0073] The difference between this embodiment and the above-mentioned embodiment 1 is:
[0074] In described step (1), printing etch paste uses screen plate to be 400 orders, and pressure is 6kg / cm 2 , the speed is 5mm / s; the baking temperature is 100°C, and the baking time is 30min.
[0075] In the step (2), the printing protective glue uses a screen with a screen size of 200 mesh and a pressure of 6kg / cm 2 , the speed is 5mm / s, the thickness is 20μm; the baking temperature is 120°C, and the baking time is 30min.
[0076] The protective glue is made of the following raw materials in parts by weight: 30 parts of acrylated polyacrylate, 15 parts of amino resin, 10 parts of alkyd resin, 10 parts of polyamide resin, 7 parts of maleic acid modified rosin resin, 2 parts -3 parts of hydroxy-2-methyl-1-phenyl-1-acetone, 1.5 parts of sodium lauryl sulfate, 6 parts of nano silicon powder, 2 parts of monoglyceride stearate, polydimethylsiloxane 1.5 parts, 1 part of polyoxyethylene po...
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Abstract
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