Prevention and improvement measures for quality problems of VIPPO with inner HDI buried blind holes-深圳市海博精密电路有限公司

Friends familiar with the PCB industry may share the same feeling, 'Is controlling the fullness of the inner HDI plug holes useful for preventing or improving board bursting?' Of course, it makes sense!

If you choose to plug holes after the circuit process, the time from plug holes to lamination process must be well controlled, and the board surface must be carefully cleaned.

Experienced readers may add, "When plugging holes, it is important to control the polishing and flatness of the resin to prevent resin protrusion, right?" Yes, you are right.

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