circuit insight
December 23, 2025
Should We Measure Solder Paste Thickness?
On average, how many locations should we measure our PCBs to confirm our solder paste thickness? Our PCBs are approximately 10" by 10".
Board Talk
Effects of Composition and Isothermal Aging on Microstructure Performance
Investigations of alloy composition and isothermal aging on solder microstructure and shear fatigue were performed on Pb-free alloy solder joints.
Technical Paper
Sponsor
SEIKA-America

Sayaka Table-Top PCB Router, SAM-CT23S with online camera
Advanced image processing software offers easy programming and CAD base offline programming. Automatic alignment compensation.
Seika
Influence of Copper Conductor Surface Treatment for High Frequency PCB
Paper provides results of adhesion performance and electrical properties using certain types of dielectric material for high frequency PCBs.
Technical Paper
Wettable-Flanks On Bottom-Termination Components in Mass Production
Paper investigates the influence of wetting height of lead-frame based bottom-termination components on the performance of AO joint inspection.
Technical Paper
Database Driven Multi Media Work Instructions
Work instructions are time consuming to generate for engineers, often requiring regeneration from scratch to address very minor changes.
Technical Paper
Sponsor
Plasma-Etch

High power atmospheric plasma system
Our 1000 Atmospheric Plasma System is available with PC or PLC control for lab or high speed production use with the same high powered systems. Remove contaminants and increase bond strength!
Plasma Etch
Cure for the Grape Effect
We are processing lead-free boards with large components. Our parts are showing the grape effect. What is the best solution for this?
Board Talk
SIR Test Vehicles - Comparison from a Cleaning Perspective
This study compares different SIR test vehicles to determine which test vehicle is tougher to clean and therefore a challenge the cleaning process.
Technical Paper
Sponsor
kyzen

Reflow Oven and Wave Soldering Machine Maintenance Cleaning
Maintenance cleaning is imperative. Investment in a cleaning schedule and chemistry creates reliable processes to extend equipment life.
KYZEN
Failure Analysis and Assembly of Package-On-Package Module
In this paper, both failure analysis and finite element analysis (FEA) were utilized to study the thermally-induced yield loss for POP modules.
Technical Paper
Relative Humidity Dependence of Creep Corrosion on Organic-Acid Flux
This paper reports on the dependence of creep corrosion on humidity in the 15 to 80% relative humidity range on finished PCBs soldered with organic acid flux.
Technical Paper
5 vs 8-Zone Ovens
We are setting up an assembly line for small line production. We prefer a 5-zone oven. Will five zones be enough to ensure a reliable reflow process?
Board Talk
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
Surface Mount Warpage Case Study
A quantity of surface mount packages were measured by shadow moire metrology to capture warpage levels, as they were heated through a reflow profile.
Technical Paper
Transient Solder Separation of BGA Solder Joint During Second Reflow Cycle
This paper covers a study of the mechanism for solder joint separation due to VIPPO and non VIPPO mixed designs.
Technical Paper
Sponsor
Advanced-Interconnections

Need Improved Solder Joint Visibility?
Solder Peel-A-Way° Removable Terminal Carriers in place and peel the carrier away for complete solder joint visibility on both sides of the PCB. Watch a video to see it in action.
Advanced Interconnections Corp.
The New Standard for Cyber Security
Productivity can be improved by implementing, catching counterfeits and counterfeiters closer in time and physical distance than ever before by taking a systematic approach.
Technical Paper
Latest Industry News
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ECD
Sponsor
Manncorp

Outsourcing: A Risk You Can't Afford
Stop risking delays, tariffs, and rising costs with overseas PCB assembly. Bring production in-house with Manncorp for speed, precision, and total control—future-secured.
Manncorp Inc.
Glenbrook-Technologies
Sponsor
Glenbrook-Technologies

Refurbished and Demo X-ray Inspection Systems
2024 Demo JewelBox-70T X-ray System and 2024 Demo JewelBox-100T X-ray System Refurbished & Demo Systems on sale with warranty. Learn more.
Glenbrook Technologies
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