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AN INFRARED RETROREFLECTING DEVICE USED FOR A HIGH-ASPECT-RATIO OPTICAL TOUCH PANEL, THE METHOD OF MANUFACTURING THE SAME AND A HIGH-ASPECT-RATIO TOUCH PANEL USING SUCH DEVICE
AN INFRARED RETROREFLECTING DEVICE USED FOR A HIGH-ASPECT-RATIO OPTICAL TOUCH PANEL, THE METHOD OF MANUFACTURING THE SAME AND A HIGH-ASPECT-RATIO TOUCH PANEL USING SUCH DEVICE
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机译:用于高宽比光学触摸屏的红外翻新装置,制造该方法的方法和使用这种装置的高宽比触摸屏
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摘要
An infrared retroreflecting device used for a high-aspect-ratio optical touch panel, comprising an infrared retroreflecting stripe having a front surface, a back side and an elongated axis; the stripe being formed of a cube-corner retroreflecting structure having a primary groove and at least two secondary grooves; the primary groove being perpendicular to the elongated axis; and the stripe reflecting infrared emitted toward the front surface when an infrared incident angle is ranged from about 0° to about 61°. A method of manufacturing an infrared retroreflecting device used for a high-aspect-ratio optical touch panel, comprising forming a cube-corner retroreflecting sheet having a front surface, a back side, a first direction and a second direction, said first direction being perpendicular to the second direction, and cutting a retroreflecting stripe from said cube-corner retroreflecting sheet in the second direction. A high-aspect-ratio optical touch panel using the aforementioned infrared retroreflecting device is also disclosed.
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