circuit insight
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
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
Sponsor
Nordson-ASYMTEK

Discover consistency for your operations
Explore the reliable solutions for jet dispensing, conformal coating, plasma treatment, and selective soldering from Nordson.
Nordson Electronics Solutions
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
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
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
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
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
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
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
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
Process Control of Ionic Contamination in Assembly of Electronic Circuits
This paper reviews a testing protocol based on IPC-TM 650 2.3.25 to enable monitoring of ionic contamination within series production.
Technical Paper
Sponsor
Creative-Electron

Inline Automatic X-Ray Inspection: TruView™ Verus
TruView™ Verus is a high-resolution inline AXI system offering advanced 2D, 2.5D, and 3D imaging to detect defects in electronic assemblies with exceptional accuracy and speed.
Creative Electron
How To Rework Warped PCBAs?
From a large lot, 20 populated boards with components of varied heights on both sides are warped. What methods can they use to flatten them?
Board Talk
Novel Pogo-Pin Socket Design for Automated Linearity Testing
A novel pogo-pin block array and corresponding motorized test socket has been designed to stimulate the MCM and acquire full functional test data.
Technical Paper
Sponsor
Alltemated

Value-Add Services Beyond Manufacturing and Distribution
If manufacturer & distributor value-add lead-times are causing delay in factories, visit Alltemated Inc. Booth 1729 at APEX. We are 30+ years of service.
Alltemated Inc.
Jetting Conductive Adhesives with Silver Coated Polymer Particles
Tests performed in this study demonstrate that a conductive adhesive using spherical, polymer silver particles can be used for no-contact jet printing.
Technical Paper
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Sponsor
Circuit-Technology-Center

100+ Breakthrough Repair/Rework Guides Illustrated and Online
Free online guidebook, packed with detailed illustrations, will be helpful to anyone who needs to repair or rework circuit board assemblies to IPC standards.
Circuit Technology Center
Plasma-Etch
Sponsor
AI-Technology-Inc

Die-Module Attach (Pastes & Films)
Die-Attach Adhesives with low moisture absorption for MSL Level-1 applications for reliability. Outstanding thermal conductivity with low moisture absorption- stress-free bonding.
AI Technology, Inc.
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"90% of the things we worry about never actually happen. So I'd like everyone to do a lot more worrying!"
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