What are PCB proofing problems?

PCB proofing is divided into rigid PCB proofing and flexible PCB proofing, flexible PCB proofing and rigid PCB proofing. Common materials for rigid printed circuit boards include: phenolic paper laminate, epoxy paper laminate, polyester glass felt laminate, epoxy resin glass fiber laminate; flexible PCB prototypes typically include: polyester film, polyamine amine film, fluorinated ethylene acrylic film. These materials are difficult to refine and collect, so the cost of a PCB prototype circuit board is very high. Many times, we hope to recover on the original basis to better lay the foundation for PCB proofing operations. Essence

When customers do PCB proofing, they often put forward higher requirements for manufacturers' time to hand in, processing complex models, and product quality. So what problems do you need to pay attention to in the PCB proofing process?

What are PCB proofing problems?

First, pay attention to the number of proofs.

Enterprises often need to make a batch of PCB models for testing before large-scale production, and this part actually occupies a certain cost of the enterprise, especially when the enterprise is large and the type of PCB produced is large, then PCB proofing and testing. The cost is also extremely high. From this perspective, companies should pay attention to the number of proofs during PCB proofing.

Second, to confirm the packaging of the device

Weld on the circuit board with a specific chip and packaged with a shielding cover. It is a process in the circuit board production process. In the PCB proofing process, the customer should pay great attention to whether the internal chips and electronic components are welded to ensure the quality of PCB proofing, and then it can normalize the function and further large-scale production of subsequent large-scale production.

Third, do a comprehensive electrical inspection

After PCB proofing, the company should conduct a comprehensive electrical inspection to ensure that every function and detail of the PCB board should be checked. This is the meaning of PCB proofing. The rate guarantee is.. . In order to carry out a complete electrical inspection, it is recommended that the Commissioner and the sampler cooperate to carry out a more rigorous test method.

Of course, there are also some signal integrity layouts, etc. The two sides need to pay attention and solve them together, but in general, the problems that need attention to PCB proofing need to pay attention to the above items. Although there are many doubts about what the PCB sample is on the market, as a person in the industry, a comprehensive inspection and testing of the above problems is to ensure the quality of the PCB model and transform it into the basis for subsequent large-scale production. For PCB, PCB Sample must be taken seriously and seriously.