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After film AOI

Features

· Precise numerically controlled integral surface RGB shadowless light source, fully imported industrial CCD and lens with tens of millions of pixels

· Highly integrated equipment structure, easy installation, stable system, simple operation & maintenance

· Online detection, seamless connection with production line MES

· Using the high chromaticity restoration algorithm, it can truly restore the color of the cell, and accurately distinguish the color difference between different cells or the color difference within the same cell, so as to perform high-precision sorting


ProjectSpecification

Camera resolution

20000000

Equipment size

L320xW461xH801m

Applicable Wafer Size

156*156~166*166 mm

Applicable Wafer Type

Monocrystalline, polycrystalline, diamond wire monocrystalline, polycrystalline, PERC cells

Maximum capacity

7000PCS/small

Pixel Accuracy

<0.047mm

Detection accuracy<0.09mm

UPTime

>98%

False positive rate<0.5%

Missed rate

<0.1%



ProjectQuality Degradation CriteriaDetection Capability Requirements
ScratchL<1.5mm、W<1mmL≥1mm、W≥0.5mm Detectable
DirtyS<3mm²

S≥0.3mm² Detectable

Chromatic aberration

Obvious whitening, yellowing, and redness are not allowed when viewed from a distance of 50cm

Partial (S≥2mm²) redness, yellowness, whiteness, greenness, etc. can be detected
PigmentationS≤4mm²S≥0.3mm² Detected
Little white dotS≤4mm²S≥0.3mm² Detectable
WatermarkS≤5mm²S≥0.3mm² Detectable
CrackNot allowedDetectable with naked eye
FingerprintsNot allowedS≥1mm² Detectable
NotchNot allowedS≥0.2mm² Detectable
Chipping, notchL<1.5mm、H<0.5mm、S≤4mm²L≥1.5mm、H≥0.5mm、S≥2mm² Detectable



Imaging effect

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