Production & Quality
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PEI RF Device Dimensional Drift
Problem Phenomenon
During use of PEI 5G communication RF devices, slight dimensional drift affects the signal; under high-precision requirements, process fluctuations are amplified.
Cause Analysis
PEI has excellent dimensional stability, but RF device precision requirements are extreme; slight fluctuations in the '2079851475616104453 translate into signal performance differences; long-term influence of temperature and humidity environment; slow release of internal stress.
Solution
①Extremely stable control of process parameters; ②low-stress molding; ③ambient temperature and humidity management; ④correlated monitoring of dimensions and signal performance.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
PEI RF applications push dimensional stability requirements to the limit; process consistency is the foundation of signal quality; correlated monitoring discovers hidden drift.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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