CLEANING TEST RESULTS

1. Solder Joint Defect

Above reflow area shows defect by dust attached before past printing.
(red squared area shows places where it's burned)

Sample photo shows mounting defects by some dust. Not sure when dust stick on PWB before or after screen-printing.

2. Test (PWB Input Numbers)

Lot #1
With Cleaning System	100 sheets
Without Cleaning System	155 sheets
Total	305 sheets
Lot #2
With Cleaning System	337 sheets
Without Cleaning System	350 sheets
Total	687 sheets

3. Defect Detection

With Cleaning System Lot #1
Auto Inspection	0 points
Visual Inspection	2 points

Without Cleaning System Lot #1
Visual Inspection	2 points

With Cleaning System Lot #2
Visual Inspection	0 points

Without Cleaning System Lot #2
Visual Inspection	8 points