Reliability testing and life assessment are critical steps in PCBA assembly, designed to ensure that electronic devices will operate stably and have a reasonable lifespan under varying conditions. The following are the key aspects related to reliability testing and life assessment:
1. Reliability testing
Environmental testing
PCBAs are subjected to different environmental conditions, such as high temperature, low temperature, high humidity, low humidity, etc. to evaluate their performance under different environmental conditions.
Vibration and Shock Test
Simulate the vibration and shock that the equipment may be subjected to during transportation and use to detect whether the components on the PCBA are damaged.
EMI/EMC Testing
Electromagnetic Interference (EMI) and Electromagnetic Compatibility (EMC) testing is performed to ensure that the PCBA does not generate or suffer from unwanted electromagnetic interference.
Electrical Testing
Performs electrical testing of electronic components on PCBAs, including voltage, current, resistance and signal integrity testing to ensure that circuits are functioning properly.
Accelerated Life Testing
Accelerates the aging of components on PCBAs using conditions such as high temperature, high humidity and high voltage to assess their life and reliability.
Temperature Cycling Test
Simulates cyclic operation of the device at different temperatures to evaluate the effect of thermal expansion and contraction of the PCBA on its performance.
2. Lifetime assessment
Reliability Modeling
Reliability modeling methods are used to predict the life of individual components on a PCBA, taking into account the conditions of use of the component, environmental factors, and stresses.
Failure Mode Analysis
Failure Mode and Effects Analysis (FMEA) is performed to identify potential component failure modes and possibilities.
Life Testing
Long-term life testing is performed in a laboratory environment to determine the actual life and performance degradation of the PCBA.
Repairability Assessment
Evaluate the ease of replacement and repair of components on the PCBA to determine the cost and difficulty of repair and maintenance.
3. Reliability Improvement
Design Optimization
Based on the results of reliability testing and life assessment, optimize the design of the PCBA, including component selection, layout and heat dissipation design.
Material and process selection
Select high-quality materials and manufacturing processes to improve the reliability of PCBAs.
Troubleshooting and Improvement
Troubleshoot problems identified during reliability testing and take measures to improve the performance of the PCBA.
Quality Control
Implement strict quality control measures to ensure the consistency and reliability of PCBAs during production.
Reliability testing and life assessment are critical steps in PCBA assembly that help identify potential problems, improve product reliability and performance, and ensure that the equipment operates stably under a variety of conditions. These tests and evaluations should be closely integrated with the PCBA design and manufacturing process to ensure that product quality and reliability are fully considered.
Zhejiang NeoDen Technology Co., LTD., established in 2010 with 100+ employees & 8000+ Sq.m. factory of independent property rights, to ensure the standard management and achieve the most economic effects as well as saving the cost.
Owned the own machining center, skilled assembler, tester and QC engineers, to ensure the strong abilities for NeoDen machines manufacturing, quality and delivery.
3 different R&D teams with total 25+ professional R&D engineers, to ensure the better and more advanced developments and new innovation.
Skilled and professional english support&service engineers, to ensure the prompt response within 8 hours, solution provides within 24 hours.
The unique one among all of the Chinese manufacturers who registered and approved CE by TUV NORD.
Post time: Nov-29-2023