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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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6 Top Rework Challenges of BTC and BGA [email protected]
Rework TechniqueIPC 7711 3.11
Rework TechniqueIPC 7711 3.11
Rework TechniqueIPC 7711 3.11
Rework TechniqueIPC 7711 3.11
Step #1
Align and apply stencil to device. Roll solder paste through apertures.
Part Bumping Using a PolyimidePeel-n-Stick Stencil(s)IPC 7711 5.8.1.2.
Step #2
Reflow per solder mfr’s profile recommendations
Part Bumping Using a PolyimidePeel-n-Stick Stencil(s)
Step #3
Remove stencil and clean. Surface now is “bumped”
Part Bumping Using a PolyimidePeel-n-Stick Stencil(s)
Inspection of “bumped” device
Part Bumping Using a PolyimidePeel-n-Stick Stencil(s)
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net
BGA Rework-Pad Damage #2
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BGA Rework-Pad Damage
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net
BGA Rework-Pad Repair
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BGA Rework-Mask Damage #3
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BGA Rework-Mask Damage
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BGA Rework-Mask Repair
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net
BGA Rework-Mask Repair
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BGA Rework-Warped BGA #4
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BGA Rework-Warped BGA
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BGA Rework-Warped PCB
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BGA Rework-How to Mitigate Warpage
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BGA Rework-MSD Handling #5
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BGA Rework-MSD Handling
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BGA Rework-MSD Handling
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BGA Rework-A Primer
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BGA Rework-Shielding #6
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BGA Rework-Shielding
Your BEST choice in PCB Test/ Rework/Repair and Solder Training & Tools www.solder.net
Cap Discoloration
BEST [email protected]
