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PCBA Tech

PCBA Tech - What tests are included in the PCBA test

PCBA Tech

PCBA Tech - What tests are included in the PCBA test

What tests are included in the PCBA test

2021-10-19
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Author:Frank

What tests are included in the PCBA test
The PCBA process includes SMT chip processing, DIP plug-in and PCBA testing. PCBA testing is only one link in the entire PCBA process, and it is an important means to control product quality. English translation is PCBA test.

PCBA testing mainly includes five forms: ICT testing, FCT testing, aging testing, fatigue testing, and testing under harsh environments.

1. ICT test mainly includes circuit on-off, voltage and current value, fluctuation curve, amplitude, noise, etc.

2. FCT test requires IC program firing, simulation test of the function of the entire PCBA board, discovery of problems in hardware and software, and equipped with necessary patch processing production jigs and test racks.

3. The fatigue test is mainly to sample the PCBA board, and perform high-frequency and long-term operation of the function, observe whether there is failure, and judge the probability of failure in the test, so as to feedback the working performance of the PCBA board in the electronic product.

4. The test in harsh environments is mainly to expose the PCBA board to extreme temperature, humidity, drop, splashing, and vibration, and obtain the test results of random samples, thereby inferring the reliability of the entire PCBA board batch product.

5. The aging test is mainly to energize the PCBA board and electronic products for a long time, keep them working and observe whether there are any failures. After the aging test, the electronic products can be sold in batches.

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PCBA testing can find problems in the board in time to adjust the pre-process such as SMT and DIP, optimize the process flow, and realize the quality control with a testing chain. At present, the country’s requirements for environmental protection are getting higher and higher, and the governance of links is also increasing. The bigger the future, this is a challenge but also an opportunity for PCB factories. If PCB factories are determined to solve the problem of environmental pollution, then FPC flexible circuit board products can be at the forefront of the market, and PCB factories can get opportunities for further development.
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