why pop package is challenging
DESCRIPTION
This slide set goes through the challenges of PoP rework. In addition the (2) main strategies for stacking these packages and placing them on to a PCB are depicted.TRANSCRIPT
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Reworking POP Packages
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Overview of POP ReworkReview of Package Configurations
Challenges in POP Rework• Difficulty in inspection
• Shields
• Neighboring components
• Underfill
• Package warpage
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Overview of POP Rework-continued
Different POP Rework Methods• Stack, reflow and place
• Place, place and reflow
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POP Configurations
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POP Rework Challenges-Inspection
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POP Rework Challenges-Inspection
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X-Ray Imaging
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Single Piece Shield
Two Piece Shield
POP Rework Challenges- Shields
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Single Piece RF Shield Rework“Cold” scoring process-The Patch
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Single Piece RF Shield ReworkPortion over top of device to be reworked is removed. No shield removal required. Patent Pending Process.
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Single Piece RF Shield ReworkRF Shield Re-Applied. No RF shield reflow required. Fast process. Increased yields.
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Conductive RF Shield Rework
Photos Courtesy of OK International
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Measuring Warpage
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POP Rework Challenges-Underfill
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POP Rework Challenges-Close In Components
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POP Rework Challenges-Close In Components
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POP Rework MethodsFirst Make the Stack, then Place the Stack
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POP Rework MethodsFirst Make the Stack, then Place the Stack
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POP Rework MethodsFirst Make the Stack, then Place the Stack
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POP Rework MethodsFirst Make the Stack, then Place the Stack
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POP Rework MethodsFirst Make the Stack, then Place the Stack
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POP Rework MethodsFirst Make the Stack, then Place the Stack
![Page 24: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/24.jpg)
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POP Rework MethodsFirst Make the Stack, then Place the Stack
![Page 25: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/25.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsFirst Make the Stack, then Place the Stack
![Page 26: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/26.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsFirst Make the Stack, then Place the Stack
![Page 27: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/27.jpg)
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POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
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Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
![Page 29: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/29.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
![Page 30: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/30.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
![Page 31: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/31.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
![Page 32: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/32.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
![Page 33: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/33.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
![Page 34: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/34.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
![Page 35: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/35.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
![Page 36: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/36.jpg)
Your BEST choice in Solder Rework/Repair/Test, Solder Training & Soldering Tools
POP Rework MethodsPlace First Layer, then Next and Reflow Entire Stack
![Page 37: Why POP Package is Challenging](https://reader036.vdocument.in/reader036/viewer/2022070318/557b2ac2d8b42a796a8b55c0/html5/thumbnails/37.jpg)
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