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NPV (Negative Pressure Vacuum) Hole-plugging Printing
NPV technology is currently the industry's unique plug hole printing patented technology, especially for small apertures below 0.2mm has a significant effect. Taking the 1.7mm thick substrate in the upper left picture as an example, it can achieve a rapid single-point plugging of a 0.2mm aperture and greatly eliminate the problem of air bubbles in the hole.
(The highest plug hole aspect ratio is up to 60)
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