Lenticule stereoscopic graphics and texts and making method thereof
A manufacturing method and microlens technology, applied in the field of visual anti-counterfeiting, can solve the problems of insufficient clarity, no anti-counterfeiting effect, inability to use thinner gratings, etc.
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[0026] Below in conjunction with accompanying drawing and specific embodiment the present invention will be further described,
[0027] A method for making a microlens three-dimensional image and text, the method for making the microlens three-dimensional image and text film comprises the following steps:
[0028] Step 1: Make a microlens array template, calculate the diameter, curvature and magnification of the microlens according to the resolution and the thickness of the transparent substrate, use the engraving equipment to engrave the microlens array on the substrate, and then make the engraved microlens array Containing the nickel master plate of microlens array, engraving equipment can adopt mechanical ultra-fine grinding head to engrave magnifying glass array, comprise diamond or alloy cutter, or adopt high-energy beam to engrave magnifying glass array, present embodiment adopts high-energy beam, such as figure 1 In the laser direct writing technology of the engraving e...
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