More familiar with PCB circuit board friends should have a certain understanding of "proofing", PCB circuit board proofing needs certain process and requirements. So what principles should be met for proofing? The following is an analysis from three aspects.
The first principle of PCB circuit board proofing is to ensure that the appearance of the proofing products is clean and smooth, there will be no burr, hole phenomenon, and the circuit board substrate and welding resistance film to avoid waves, wrinkles.
Secondly, the process of circuit board proofing should be reasonable, such as reflow welding, wave soldering process, tin process will not appear bad situation.
most of the last is to ensure that PCB circuit board proofing to carry out CAM optimization processing, CAM optimization processing can make the circuit board get better signal, ensure the quality of PCB circuit board proofing.
SMT patch processing bga chip processing, PCB board proofing can contact Datafeng technology.
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