X-ray Nondestructive Testing Instrument - Application in LED Semiconductor Industry

2019-03-20

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.

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LED process defect introduction

(1) IC chip, diode hole, bubble. Cause: Less tin furnace temperature solder paste stirring


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(2) LED internal binding line, LED crystal line IC package, judge: whether the line is off, the angle of the line

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(3) Discrimination of other defects: internal detection of capacitors, wafers, and connectors

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