LED Inspection

AVIS-5000n
 
Item Description
Inspected
products
 2~ 6” LED wafer
Resolution 2 inch 4 inch 6 inch
Inspection
Speed
(Whole Wafer
Inspection)
0.35㎛
@pixel
1camera 5.0min. 10.0min. 20.0min.
2camera 3.5min. 7.0min. 15.0min.
0.7㎛
@pixel
1camera 2.0min. 5.0min. 10.0min.
2camera 1.5min. 3.0min. 6.5min.
1.4㎛
@pixel
1camera 1.5min. 4.0min. 7.0min.
2camera 1.2min. 2.5min. 4.0min.
Illumination  Bright Field + (Dark Field)
Auto-focus  ADS sensor (Repeatability: 2um@3σ)
NG  Defect map, SPC