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Laser Depanelization of PCBs

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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.

Publié dans : Technologie
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Laser Depanelization of PCBs

  1. 1. Laser Depaneling of PCBs May,2018 Your BEST choice in PCB Test/ Rework/Repair and Solder Training &Tools www.solder.net
  2. 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. 3. Traditional Methods Routing,Nibbling, V-Scoring Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net
  4. 4. Traditional Methods Routing,Nibbling,Snapoff V-ScoredAreas Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net
  5. 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. 6. Die Punching for Depaneling Typical Flexcutwidths1mm- toolarge Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net
  7. 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. 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. 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. 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. 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. 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. 13. UV Flexible in Cutting and Solder Training & Tools www.sYour B ES T choice in PCB Test/ Rework/ Repair older.net
  14. 14. http://www.solder.net/ PCB Laser De-Panelizing

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