As a laser processing service provider, our shop has worked with many industries and seen many applications over the last decade. Laser drills are well established in the field of microvia formation, having taken over for mechanical drills as via diameters have gotten smaller. The drilling of vias in printed circuit boards has been a topic of discussion for many years. Mechanical drilling has been done since the start of the PCB industry, and in the last ten years, lasers have taken over in a number of the high end applications, although mechanical drilling technology has also advanced during that time.
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