Top QFN and BGA rework challenges

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    20-Jun-2015

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This presentation covers the top issues dealing with the rework of advanced electronic packages. The material supports QFN rework as well as BGA rework challenges.

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<ul><li> 1. 6 Top Rework Challenges of BTC and BGA Packages www.solder.net info@solder.net </li></ul> <p> 2. Rework Technique IPC 7711 3.11 3. Rework Technique IPC 7711 3.11 4. Rework Technique IPC 7711 3.11 5. Rework Technique IPC 7711 3.11 6. Step #1 Align and apply stencil to device. Roll solder paste through apertures. Part Bumping Using a Polyimide Peel-n-Stick Stencil(s) IPC 7711 5.8.1.2. 7. Step #2 Reflow per solder mfrs profile recommendations Part Bumping Using a Polyimide Peel-n-Stick Stencil(s) 8. Step #3 Remove stencil and clean. Surface now is bumped Part Bumping Using a Polyimide Peel-n-Stick Stencil(s) 9. Inspection of bumped device Part Bumping Using a Polyimide Peel-n-Stick Stencil(s) 10. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Pad Damage #2 11. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Pad Damage 12. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Pad Repair 13. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Mask Damage #3 14. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Mask Damage 15. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Mask Repair 16. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Mask Repair 17. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Warped BGA #4 18. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Warped BGA 19. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Warped PCB 20. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- How to Mitigate Warpage 21. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- MSD Handling #5 22. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- MSD Handling 23. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- MSD Handling 24. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework-A Primer 25. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Shielding #6 26. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net BGA Rework- Shielding 27. Your BEST choice in PCB Test/ Rework/Repair and Solder Training &amp; Tools www.solder.net Cap Discoloration 28. BEST Inc www.solder.net info@solder.net </p>

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