Touch panel and method for manufacturing touch panel
A technology of touch panel and manufacturing method, applied in chemical/electrolytic method to remove conductive material, input/output process of data processing, printed circuit dielectric, etc., capable of solving misalignment of wiring printing, working failure of touch panel, etc. problem, achieve the effect of reducing residue
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Embodiment 1
[0085] A PET substrate (hereinafter referred to as "substrate") with a thickness of 50 μm is prepared as a transparent substrate in the form of a roll, and a UV curable resin is applied on both sides of the substrate by a die coater and cured to form a resin layer . A UV absorbing resin having a transmittance of 0.7% for light having a wavelength of 365 nm is mixed in the resin layer. Next, silver wiring with a thickness of 3 μm was printed on both surfaces of the substrate by gravure offset printing. Then, a coating solution in which silver nanowires were dispersed (coating solution for a transparent conductive layer) was applied from above by a die coater and cured. Furthermore, a negative dry film resist was applied to both surfaces of the base material using a roll laminator, exposure was performed from above the photomask, and it was cured, followed by development. Then, after development, etching was performed with an aqueous solution of copper chloride, and thereafter...
Embodiment 2
[0087] A PET substrate (hereinafter referred to as "substrate") with a thickness of 50 μm is prepared as a transparent substrate in the form of a roll, and a UV curable resin is applied on both sides of the substrate by a die coater and cured to form a resin layer . Next, silver wiring with a thickness of 3 μm was printed on one surface of the substrate by gravure offset printing. Then, a coating solution in which silver nanowires were dispersed (coating solution for a transparent conductive layer) was applied from above by a die coater and cured. Furthermore, a negative dry film resist was applied to one surface of the base material with a roll laminator, and it was exposed from above the photomask and cured, followed by development. Then, after development, etching was performed with an aqueous solution of copper chloride, and thereafter, the resist was stripped with an aqueous solution of sodium hydroxide, thereby forming figure 2 rhombus pattern. After that, a protecti...
Embodiment 3
[0089] A PET substrate having a thickness of 50 μm was prepared in the form of a roll, and a UV curable resin was applied and cured on both surfaces of the substrate by a die coater. A UV absorbing resin having a transmittance of 0.7% for light having a wavelength of 365 nm is mixed in the resin layer. Next, silver wiring with a thickness of 3 μm was printed on both surfaces of the substrate by gravure offset printing. Then, a coating liquid in which silver nanowires were dispersed was applied from above by a die coater and cured to form a transparent conductive layer. Then, by screen printing, a protective layer for protecting the transparent conductive layer was laminated as a resist on the transparent conductive layer in a pattern. Then, utilize the cupric chloride aqueous solution to etch the transparent conductive layer, form the rhombus pattern ( figure 2 A pattern of the shape shown) was used as a pattern for a touch panel. This film was cut, and the FPC terminal wa...
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Abstract
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