X-RAY non-destructive tester battery industry application
LED semiconductor industry analysis and application range:
LED chip, LED internal bonding line, LED crystal line, LED wafer, copper column and other detection diodes, three-stage tube, capacitor connector, etc.
LED process defect introduction
(1) IC chip, diode hole, bubble. Cause: Less tin furnace temperature solder paste stirring
(2) LED internal binding line, LED crystal line IC package, judge: whether the line is off, the angle of the line
(3) Discrimination of other defects: internal detection of capacitors, wafers, and connectors
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