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4 Major Links of PCBA Processing Technology

2021/08/19 18:11:44

If you want a PCB to achieve functional operation, it is impossible to complete with a bare PCB board. We need to mount, plug-in and solder the bare board components. This step-by-step process is called PCBA. PCBA production is one link linked to another. Any problem in any link will have a great impact on the overall quality. Do you know what processes are involved in the processing?

 

 

 

1. SMT

The SMT processing link generally matches the purchase of components according to the BOM configuration list provided by the customer, and confirms the PMC plan of the production. After the preparatory work is completed, we need to start SMT programming, make laser stencils according to the SMT process, and perform solder paste printing.

 

Through the SMT placement machine, we need to mounted the components on the PCB, and perform online AOI automatic optical inspection if necessary. After testing, set a perfect reflow oven temperature curve to let the circuit board flow through the reflow soldering.

 

After the necessary IPQC inspection, the DIP plug-in process can be used to pass the plug-in material through the PCB, and then flow through the wave soldering for soldering. Next is the necessary post-furnace process. After the above process are completed, a comprehensive QA inspection is required to ensure that the product quality is passed.

 

 

2. DIP plug-in processing link

The DIP plug-in processing process is: plug-inwave solderingcutting feetpost-welding processingwashing boardquality inspection.

 

 

3. PCBA Testing

PCBA testing is the most critical quality control link in the entire PCBA processing process. It is necessary to strictly follow the PCBA test standards and test the PCB test points according to the customer's test plan. PCBA testing includes 5 main forms: ICT testing, FCT testing, aging testing, fatigue testing, and testing under harsh environments.

 

 

4. Finished product assembly

Please assemble the shell of the PCBA board that has passed the test, and then test it, and finally it can be shipped.

 

 

The above is about the four main links of PCBA process production. Every big link has countless small links to assist, and each small link will have one or some test procedures to ensure product quality and avoid the outflow of unqualified products.

 

 

SHENZHEN HOYOGO ELECTRONIC TECHNOLOGY CO., LTD. specializes in providing overall PCBA electronics manufacturing services, including one-stop services from upstream electronic component procurement to PCB production and processing, SMT patch, DIP plug-in, PCBA testing and finished product assembly. 

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