circuit insight
The Impact of Harsh Environments and Ionic Contamination on Post-Reflow Circuit Assemblies
Modern electronic assemblies are far more susceptible to this phenomenon. Among the critical issues affecting these assemblies is ionic contamination, which can lead to a series of deleterious processes, including electrochemical migration (ECM).
Technical Paper
The Impact of VIA and Pad Design on QFN Assembly
This paper discusses the impact of the via size and design on QFN voiding and solder protrusion. Do small vias prevent the solder from flowing onto the other side?
Technical Paper
Sponsor
Viscom-SE

Viscom: Next Level of Inspection at APEX
Viscom Inc. presents its AI-powered inspection software vAI ProVision at APEX Expo 2026 in Anaheim. See live demos of faster AOI and AXI programming at Booth #2836.
Viscom SE
Advances in Power Electronics
This paper details some of the recent advances in power electronics systems and details some of the challenges that need to be overcome.
Technical Paper
Common PCB Design Decisions that Cause Manufacturing Problems
What are the most common design decisions that can have a negative impact on the PCB assembly manufacture and how could we correct them during the design? The Assembly Brothers, Phil Zarrow and Jim Hall, discuss this scenario and share their suggestions.
Board Talk
Adding OSP to Pads that are Missing ENIG Plating Process
A fabricator notified us that during the ENIG plating process, several pads had been “skipped”. The fabricator would like to add OSP to the pads that are missing the ENIG.
Board Talk
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
Living With PB-Free in High Performance Engineering Design
As Pb-free technology increasingly becomes the standard for electronic interconnects and finishes, engineers must cope with the various challenges posed by this material.
Technical Paper
Advanced Substrate Technology for Heterogeneous Integration
The development of semiconductor technology and multi-function demands of end products has driven IC foundry industry toward 7nm node process.
Technical Paper
Sponsor
BEST-Inc.

Optimizing BGA Rework: Challenges, Techniques and Quality Control
The complexity of BGA packages introduces challenges during rework requiring innovative methods and inspection practices to ensure performance and reliability. Read more.
BEST Inc.
Selective Soldering Design for Reliability Using SIR Test Method
The purpose of this research is to develop a test method designed to evaluate the electrochemical reliability of the selective soldering process at the assembly site.
Technical Paper
Autonomous Vehicles Still Decades Away: 2019
This paper examines the challenges to progress from existing advanced driver-assistance systems to level 4 and 5 autonomous vehicles.
Technical Paper
The Best Method for Reworking Ultra-Micro Chips
We are soldering and reworking 0201s and 01005s using hot air solder rework station with adjustable air flow. The minimum air flow will blow parts.
Board Talk
Sponsor
SEIKA-America

Malcom Paste Mixers
Unlike hand mixing, the Malcom SPS Solder Paste Mixer is a non-contaminating mixer which utilizes pseudo planetary motion to stir the solder paste. The SPS-1 provides uniform consistency.
Seika
Understanding Creep Corrosion Field Fails
Dendrites, Electrochemical Migration and parasitic leakage, can be caused by process related contamination. This paper explores aspects of the creep corrosion chemical reaction.
Technical Paper
Microstructure and Performance of Micro CU Pillars Assemblies
Correlations between the shear strength and microstructure of Cu pillars were examined for different solder compositions, and for different aging times.
Technical Paper
Sponsor
Plasma-Etch

Contaminant Removal with Plasma
Plasma provides organics removal and other benefits to increase bond strength! Many chamber sizes available, all with a low environmental impact. Learn more.
Plasma Etch
How the Chip Shortage Reshaped the Electronics Supply Chain
The global chip shortage that started in 2020 sent shockwaves through the electronics manufacturing industry, disrupting production lines and forcing companies to rethink their supply chain strategies. This shortage not only delayed production but also highlighted critical vulnerabilities in the electronics supply chain.
Technical Paper
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Alltemated
Sponsor
Advanced-Interconnections

Introducing our new Board to Board Connectors
These new Board to Board Connectors feature pitch sizes from 0.50 mm to 1.00 mm with multi-pitch and custom pitch designs available. Designed for long-life applications and robust handling.
Advanced Interconnections Corp
Glenbrook-Technologies
Sponsor
SEHO

Simply Double the Production Volume
SEHO SelectLine features the award-winning Synchro and SmartSplit production modes that allow to halve cycle times in batch production and mixed operation. Find out more.
SEHO Systems GmbH
Cartoon
"I'm leaving early today to have my cat neutered. While I'm gone, select 9 people to be Employee of the Month and award each of them with a kitten."
Copyright © Randy Glasbergen