Unitech PCB Cleaners: Unitech PCB Cleaners Cleaning Test Results

1. Solder Joint Defect

Malcom Unitech Cleaning Test Solder Joint

Malcom Unitech Cleaning Test Solder Joint

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

Malcom Unitech Cleaning Test Solder Joint

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

Malcom Unitech Cleaning Test Defect Detection

Malcom Unitech Cleaning Test Defect Detection

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