circuit insight
The Causes of Tiny Solder Balls After Reflow
We have been seeing tiny solder balls across our boards after reflow. It appears that the solder is exploding as the balls are in areas where there is no paste or components.
Board Talk
Rework and Reball Challenges for Wafer-Level Packages
The present work addresses the rework and reball challenges of a specific WLP case study, and suggests improvements for maintaining the true failure signature.
Technical Paper
Sponsor
Summit-Interconnect

Seven Facilities, One Trusted Source
Partner with the industry leader. Summit is trusted and proven, with 7 integrated facilities to load capacity—from fast-turn prototypes to scalable production requirements.
Summit Interconnect
Heterogeneous Integration Roadmap: Technology for Systems of the Future
The new Heterogeneous Integration Roadmap provides a long-term vision for the electronics industry, identifying future challenges and potential solutions.
Technical Paper
Reworkable Edgebond Applied Wafer-Level Chip-Scale Package
This paper presents data showing that localized distribution of recrystallized grains is an accurate indicator of solder joint life-cycle degradation and enhancement.
Technical Paper
Moisture Effects in Common Solderable RF Connector Dielectrics
The tendencies of commonly used RF connector polymeric materials to absorb and desorb moisture under various humidity and temperatures are characterized.
Technical Paper
Sponsor
kyzen

Is My PCB Wash Concentration in Check
Evaluating wash concentration levels through varying testing methods can potentially save process time, reduce overall process costs, and increase cleaning efficacy on PBCs. Read more.
KYZEN
Issue with BGAs and SAC Balls After Switching to Low-Temp Solder Paste
If we switch to low temp solder paste, will we have issues with BGAs and SAC balls? We are trying to build a product with low temperature solder.
Board Talk
Effect of TIM Compression Loads on BGA Reliability
This work aims to provide guidance for the potential trade-offs between thermal performances and second level interconnect reliability.
Technical Paper
Sponsor
DL-Technology

Micro Dispensing Technology Leader
DL Technology LLC develops customized dispensing needles and valves for the electronics assembly, industrial assembly, semiconductor packaging and medical industries.
DL Technology
Solder Paste Inspection Tools to Support Industry 4.0 & Package Scaling
This paper evaluates the current state of inline SPI tools from multiple vendors for solder paste measurement accuracy and capability.
Technical Paper
Compatibility and Mechanical Reliability in Low Temperature Soldering for BGA Components
This study investigated the mechanical shock reliability of various SAC and LTS ball-paste combinations, revealing key insights into LTS compatibility and performance. Building on previous research demonstrating superior thermal reliability for LTS ball components soldered with SAC paste.
Technical Paper
Second Round Robin Evaluation of iNEMI Creep Corrosion Qualification Test
The paper reports the results of the iNEMI creep corrosion qualification test and compares them to the first round robin test and recent mixed-flowing gas test results.
Technical Paper
Sponsor
Uyemura

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
Reactivity of No-Clean Flux Trapped Under Bottom Terminated Components
As components reduce in size, the flux residue formation during the reflow soldering process is altered which can impact the reliability of the final assembly.
Technical Paper
Wet-Based vs. Dry-Based Cleaning
For automatic under-stencil cleaning there are many cleaning methods. What factors should we consider to select wet based cleaning versus dry based cleaning?
Board Talk
Sponsor
Test-Research-Inc.

AI - Boost your factory's Intelligence
TRI's AI-powered Inspection Solutions to Boost your Production Line's Intelligence. TRI solutions include AI Repair Station, AI Algorithms, AI Training Tools, and more.
Test Research, Inc.
Influence of Salt Contamination and RH on Creep Corrosion of Immersion Silver
This study provides important insights into the impact of both minor and major contamination on creep corrosion, offering new perspectives on reliability in the field. We hope it will stimulate further research and practical applications in the electronics industry.
Technical Paper
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Sponsor
Ormet-TLPS

AIT ORMET® TLPS for Proven Reliability
AIT ORMET® TLPS is proven for outstanding reliability for High and Ultra High-Density Interconnection and high temperature build-up Layer Interconnection beyond 175°C
Ormet® TLPS
Advanced-Interconnections
Sponsor
Aim-Solder

Reliable Solder Performance for Less Silver
Stop overpaying for silver. REL61 offers equivalent mechanical strength and thermal stability to SAC305 with a decade of field-proven success. Switch without the risk.
AIM Solder
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