Just Ask Happy: Mechanically Drilled Blind and Buried Vias


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We asked for you to send in your questions for Happy Holden, and you took us up on it! The questions you've posed run the gamut, covering technology, the worldwide fab market, and everything in between. Enjoy.

Q: Why are mechanical blind and buried vias popular in certain market sectors, yet they never took off in others?

A: Blind and buried vias have their advantages. If only a few are needed, then they can be mechanically drilled. But in markets where miniaturization is essential, and the volumes are high, the laser is the drilling machine of choice.

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