Material Analysis
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PEI High-Temperature Dielectric Properties
Fenómeno del problema
PEI dielectric properties fluctuate in high-temperature electronic applications; although stable at high temperatures, boundary conditions have influence.
Análisis de la causa
PEI's electrical properties change very little with temperature rise, and the dielectric constant is low at high temperatures, making it an ideal electronic and electrical insulating material; but extreme temperature and frequency combinations still need verification; superimposed influence of humidity.
Solución
①Verify dielectric properties according to actual temperature and frequency; ②humidity environment control; ③batch consistency management; ④application data accumulation.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
PEI's high-temperature dielectric advantage is clear; extreme combination verification is cautious; environmental management is supporting.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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