Dear Technetters:

     What is the most frequently used laser techniques for microvia
     drilling? We are using RCC foil build up technology. Would like to
     know what the most successful way to drill through copper, dielectric
     to reach the capture pads, and which machine is the most successful?

     Thanks,

     Teik M. Ng
     [log in to unmask]
     Kalex Circuit Board - Guangzhou, China

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