Planar CT
Optical camera
2D Vision inspection by integrated optical camera
- Recognizes Fiducial, Barcode and Bad mark.
- Inspects OCR, Foreign objects
Case study :
- Some Fiducials are hard to recognize on X-ray image
- Printed Barcode or Badmark can not be seen in X-ray image
AOI based User Interface
BGA Inspection
Sample
Volume
Slice
Non-wet Inspection
Sample
2D
Difficult to inspect from 2D image!
Slice
Shield Can Inspection
Shield Can
(Top / Bottom)
2D
Volume
Slice
(Top, Middle, Bottom)
2D X-ray Inspection
AOI Test Board
SOIC
Diode
2D Vision Inspection
Fiducial
Barcode
OCR
Layout
Specification
Inspection |
Objects |
BGA/CSP, QFN, R/C Chips, SOP, QFP, etc |
Items |
Mount: shift, missing, tombstone |
|
Soldering : solder amount, void, bridge, non-wet |
|
Etc : foreign material |
Image |
Resolution |
5 ~ 20㎛ |
CT projection # |
4, 8, 16, 32 selectable |
Inspection Area |
2D : 510x510㎜, CT : 460x460㎜ |
Speed |
2D |
0.3 sec / fov |
3D (PCT) |
3.0 sec / fov @8-projections |
PCB |
Size |
100x50 ~ 510x510㎜ |
Thickness |
0.4 ~ 7㎜ |
Clearance |
Top : 15㎜@5㎛, 45㎜@10㎛, 100㎜@>15㎛ |
|
Bottom : 50㎜ |
|
Side : 4㎜ |
Machine |
Dimension |
1500(W) x 2100(D) x 1765(H) ㎜ |
Weight |
3300 ㎏ |
Utility |
Electric : 220V, 1-phase, 50/60㎐ |
|
Air : 6 Bar |
X-ray |
Type |
Micro focus closed type |
Voltage |
130 ㎸ |
Current |
500 ㎂ |
Power |
56 W |
Focal spot |
<8um @4W |
Detector |
Type |
CMOS Flat panel detector |
Resolution |
2352x2944 pixels |