Processing Machinery
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PET electronic tray
Problem Phenomenon
The surface resistance of anti-static trays for electronic components does not meet the standard
Cause Analysis
Ordinary PET is insulating and not anti-static; the turnover of electronic components requires conductive or anti-static function; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
Select anti-static or conductive modified PET sheet; coat the surface with an anti-static layer; regularly test surface resistance; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Electronic trays must be anti-static modified; ordinary PET is not applicable; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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