circuit insight
Intrusive Soldering vs. Wave Solder
We are wave soldering with top and bottom side preheat. Would a pin in paste, or intrusive soldering, be a better option than wave soldering? The Assembly Brothers, Phil Zarrow and Jim Hall, address this question.
Board Talk
The Dynamics of Low Stress Epoxy Curing
This study compares uniform variable frequency microwave (VFM) field cure to standard oven curing at temperatures below Tg (transition temperature).
Technical Paper
Sponsor
ECD

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
Design for Testability to Overcome Functional Board Test Complexities
In this paper the author reviews how Design for Testability techniques can be an effective way to reduce functional board test programming complexity.
Technical Paper
Engineered Tin-Copper Alloys in Selective Soldering
The performance with one alloy under design conditions that make soldering difficult demonstrate the need to evaluate the performance differences.
Technical Paper
Strain During Press Fit Connector Insertion in PCB Assembly
Locations closer to the insertion site experienced the highest level of strain, which progressively decreased further from the insertion location.
Technical Paper
Sponsor
Manncorp

Macurco Doubles Output with Manncorp
Scaled fast. Improved speed and quality. Full control of SMT production in under a year—with no prior in-house experience. See how Manncorp helped Macurco make it happen.
Manncorp Inc.
Limits for HASL with Complex Products
What are the limits for the future with more complex products? HASL and the actual HASL process, hot air solder leveling, has been with us since the mid-70s.
Board Talk
A New Line Balancing Method
In this paper the authors present a new method of handling an assignment problem for hybrid manual and robotic assembly mixing lines.
Technical Paper
Sponsor
Ormet-TLPS

AIT ORMET® TLPS for Component Attach
AIT ORMET®TLPS is proven for outstanding reliability for component attaches and MLCC build-up for high temperature applications beyond 175ºC
Ormet® TLPS
Cohesive Zone Modeling of Failure Underfilled BGA-PCB Assemblies
A model was developed to simulate the delamination behavior of multilayer PCBs assembled with BGA components reinforced with an underfill epoxy adhesive.
Technical Paper
Screen Making for Printed Electronics
This study presents a DOE method to pre-test materials to categorize ink and substrate rheology, compatibility and printed feature requirements.
Technical Paper
SN-CU-NI Composite Solder Paste High Temperature Use
Research on a prototype paste is being completed to improve reliability and survivability of PCB and SMT solder joints under extreme temperatures (< 500° Celsius).
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 Prevent Mid-chip Solder Balls?
Is there a mathematical calculation that can be used to predict solder balling for a given package size?
Board Talk
Fine Pitch Flip Chip Assembly Process Underfill, Evaluation and Reliability
The paper compares the best flux and underfill combination in reliability performance was selected and applied to the production process.
Technical Paper
Sponsor
Circuit-Technology-Center

6 Common Mistakes of BGA Rework
BGA rework is one of the most challenging procedures you may need to master. Doing it right depends in large part on the skills and knowledge of the rework technician. Learn more ...
Circuit Technology Center
Risk Mitigation in Hand Soldering
A new validation technology in concert with visual inspection represents a change to the status quo in hand soldering.
Technical Paper
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kyzen
Sponsor
Alltemated

Seeking Alternatives for Dispensed Adhesives?
No more dispensing, no more curing. PLACE-N-BOND™ Underfilm is pre-formed adhe-sive for automated placement. Learn more.
Alltemated, Inc.
SEIKA-America
Sponsor
Plasma-Etch

Handheld Plasma Activation
Plug it in and start cleaning; no gas hookup! Versatile all-in-one solution you can take anywhere and activate almost anything in seconds! Learn more.
Plasma Etch
Cartoon
"We're installing a USB port so it's easier to recharge you after lunch."
Copyright © Randy Glasbergen