source:Optimization dedicated release time:2021-11-26 Article author:sznbone Popular:pcb
PCB is the abbreviation of printed circuit board, and circuit board proofing is to produce small quantities of samples for testing before PCB mass production. This also answers the market's questions about what is circuit board proofing. Many electronic manufacturing companies will find some professional circuit board proofing manufacturers to cooperate, so what should be paid attention to during the circuit board proofing process?
1. Pay attention to the number of circuit board samples
Generally, companies often need to make a batch of circuit board proofs for testing before mass production, and this part actually occupies a certain cost of the company, especially when the company uses a large amount and produces more types of PCB circuit boards, then the circuit board proofs And the cost of testing is also extremely considerable. From this point of view, companies should pay attention to the number of samples during the circuit board proofing process. Generally, the number of samples is about 5-10pcs. Some customers require 20pcs, the specific proofing quantity still has to be based on customer requirements.
2, do a comprehensive electrical inspection
After the circuit board proofing, the company should conduct a comprehensive electrical inspection to ensure that every function and every detail of the circuit board is checked. This is the significance of the circuit board proofing, and it is also whether the subsequent circuit board can be mass-produced and ensure The guarantee of low defect rate. To do a comprehensive electrical inspection, it is recommended that the client and the proofing factory cooperate to carry out the investigation is a more rigorous testing method.
3, to confirm the device package
It is a process in the circuit board manufacturing process to solder a chip with a specific function on the circuit board and encapsulate it with a shielding cover. In the process of circuit board proofing, the client should pay great attention to whether the internal chips and electronic components are incorrectly soldered during packaging, so as to ensure the quality of the circuit board proofing, and then the normal verification function and subsequent further large-scale production .
Of course, there are some signal integrity layouts that need to be paid attention to and resolved by both parties, but in general, the issues that need attention in PCB proofing are roughly the above-mentioned items. Although there are many doubts in the market about what PCB proofing means, as an industry insider, thorough investigation and testing of the above-mentioned problems is the basis for ensuring the quality of PCB prototypes and transforming them into subsequent mass production. , For circuit board proofing, we must take it seriously.
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