Assembly Optimization for Thin Flip-Chip Chip-Scale Packages
In this study, PC board design and solder stencil designs are evaluated for board attach defectivity for core-less FCCSP packages. It is observed that with properly engineered package materials and mechanical configuration, as well as optimization of PC board pad design, a robust board assembly solution exists for thin FCCSP packages.
Technical Paper
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Dedicated Tool for Process Development
Advanced plating capability at Uyemura Tech Center: Process Development, UBM, pilot production. ENIG, ENEPIG, EPIG/EPAG, RAIG immersion gold; all substrates. On-site analysis.
Uyemura
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Causes of Blowholes
Are old components such as resistors and circuit breakers more likely to cause blowholes during wave soldering compared to newer components?
Board Talk
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Precision Control for BGA Rework
Vacuum sensing electronics provide control for gentle, automatic component removal while a non-contact site cleaning tip's height is accurately monitored and maintained.
Air-Vac Engineering
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Enhance Your Hands-On Soldering Skills
Learn how IPC certified training workshops for operator and trainer levels can advance skills and knowledge of your personnel for TH and SMT assembly.
BEST Inc.
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Removing Warpage from PCBAs
We have populated boards with components on both sides that are warped. Components are varied height. What methods can we use to flatten them? Phil Zarrow and Jim Hall, The Assembly Brothers, discuss their recommendations.
Board Talk
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Predicting Mid-Chip Solder Balling
Is there a calculation that can be used to predict solder balling? We would like to design our stencil apertures to ensure no mid-chip solder balls. The Assembly Brothers, Jim Hall and Phil Zarrow, discuss design suggestions to prevent solder balling.
Board Talk
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Affordable Excellence - iS6052 AOI
The latest addition to Viscom's esteemed lineup of AOI systems. This new system offers a compelling option for manufacturers looking to enhance their PCB inspection processes.
Viscom
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pH Employment in Electronic Cleaning
The pH of a cleaning agent affects the entire cleaning process and must be considered when determining the appropriate chemistry and process parameters for success. Download now.
KYZEN
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Complex Board Design Induced Solder Separation Failure
The study elaborates the parameters with the solder separation failure per board design configuration, and also provides the potential solution to mitigate the failure. An in-depth analysis on the solder joint microstructure utilizing Electron-backscattered diffraction (EBSD) supports the test results leading to the mechanism associated with the solder separation failure.
Technical Paper
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