This slide deck goes through a variety of PCB depanelization options. After discussing the options and their positive and negative attributes, the material focuses on laser depanelization. Also, BEST Inc provides laser depaneling services for printed circuit board manufacturers as well as EMS and OEMs.

1. Laser Depaneling of PCBs
May,2018
Your BEST choice in PCB Test/ Rework/Repair and Solder Training &Tools www.solder.net

2. Precision Requirements•
• No Component Damage
•
Smallaspossiblekeepout
Forcutout area
• No Circuit Damage
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

3. Traditional Methods
Routing,Nibbling, V-Scoring
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

4. Traditional Methods
Routing,Nibbling,Snapoff V-ScoredAreas
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

5. CO2 Laser for Flex
•
•
•
Imparttoomuchheat
Toohighof energydensity
Wavelengthtoo absorbent
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

6. Die Punching for Depaneling
Typical Flexcutwidths1mm- toolarge
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

7. UV Laser De-Panelizing
•
•
•
Low Energy Levelsfor
MinimumThermal Impact.
30μmcutwidth
Smoothverticalcutedge
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

8. UV Flexible in Cutting
•
•
•
•
•
•
Polyimides– Kapton™,
PET materials– Akaflex™,
Others- Pyralux™.
Rigid
Aluminum
Copper
Copper Adhesive
Insulator
Adhesive Copper
Insulator
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

9. •
•
Circuitcomponentscanbeplacednearer the
edgeof thecircuit.
BetterPanelfill
UV Laser De-Panelizing
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

10. •
• Byrepeatedlygoingoverthesamecuttingtrackthinlayers
of thematerialwillberemoveduntilthebeamhascutall the
waythrough-ablation@ 355nm
Accuracy50um
UV Laser De-Panelizing
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

11. DistancefromCutCenterline(mm)
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net
MaxrecordedTempduringAblation(C)
25reps
5 reps
TempRiseinMaterialWhile Depaneling
17WUV,40KHz, 200mm/sec

12. •
•
•
•
50umspacebetweenboards
Accuracy25um(<1 mil)
Temperaturerisedepends on:
Beampower,beamspeed,focus,laser
pulserateandrepetitionrate
Addstopsbetweenpassestocoolmaterial
UV Laser De-Panelizing
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net

13. UV Flexible in Cutting
and Solder Training & Tools www.sYour B ES T choice in PCB Test/ Rework/ Repair older.net

14. http://www.solder.net/
PCB Laser De-Panelizing