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The application of variable times lens in the chip

by:Fugen      2020-10-14
Industrial production, the chip appearance may appear scratches, fault, no gold thread, and other conditions, so need to test the visual system, to ensure production quality of the chip. The variable times lens + coaxial light source, outside the range widely, can cover to zero. 09 - 180 times optical zoom, achieve high resolution, high contrast imaging; And repetitive positioning accuracy, high repeat precision can reach 1 um. Change times lens times smooth process flow, the center offset tiny, use data of high hardness, wear resistance, long service life; General annular lamp interface, can according to need any configuration or annular illumination light source.
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