April 1, 2025
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Solder Joint Performance Under Shock for ENIG and ENEPIG Surface Plated Tester PCBs
This paper discusses the results of a comparative study for solder joint performance - under shock - for ENIG and ENEPIG surface plated tester PCBs. The best cost-reduction practice for Intel manufacturing is to deliver testers with high quality and reliability. Solutions with higher margins to failure will support this goal.
Analysis Lab
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"Ask the Experts" Program by Circuitnet
Do you have a question or process issue in PCB assembly? The Circuitnet "Ask the Expert's" program has over 100 panel members waiting to answer your question. Submit question now.
Circuitnet Media LLC
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Rheology of Solder Paste: Shelf Life Study
This study offers a better understanding of the correlation between rheological properties and shelf life of solder paste exposed to extreme conditions.
Materials Tech
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Bismuth in Solder Alloys
Bismuth is a primary constituent in many low-temp solders. It also serves as an additive element in SAC solders that reinforces joint durability & optimizes wetting characteristics.
AIM Solder
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Essential guide for hi-rel BGA re-balling
Re-balling of BGA's with tin-lead solder is required in some hi-rel applications due to tin whisker concerns. This white paper discusses the key considerations of this specialized process. Read more.
Circuit Technology Center
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Trouble With Skewed DPAK Components
We are having trouble with surface mount DPAC components skewing during reflow. We checked our profile and tried a diagonal hatch aperture.
Board Talk
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Vapor Phase Profiling
Thermal profiling the vapor phase soldering process especially those with vacuum is challenging. ECD's M-VP sealed barrier can take it. Learn more.
ECD
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Two Part, Room Temperature Curing Epoxy
Master Bond EP39MAOHT is a thermally conductive, electrically insulative adhesive with low exotherm, suitable for large castings and potting applications.
Master Bond
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Process Change Causes Spots
After implementing line improvements, tiny bright spots appeared on the surface of newly made circuit boards. What was the cause?
Mysteries of Science
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