circuit insight
October 30, 2025
How the Right Cored Wire Can Optimize Automated Soldering
How the Right Cored Wire Can Optimize Automated Soldering
This study investigates the impact cored wire flux activity and flux core percentage has on soldering performance and speed. Additionally, this research aims to identify optimal soldering parameters by varying preheat time, feed rate, tip temperature, dwell time.
Analysis Lab
Pressure-Less Silver Sintering Pastes for Low Porosity Joint and Large Die
Under pressure-less sintering conditions silver sintering pastes for different sized die attachment to form robust silver joints have been developed.
Materials Tech
Sponsor
Circuit-Technology-Center

BGA Component Rework Simplified
When you're confronted with tough BGA rework, who do you turn to? Discover the #1 resource used by military contractors. We have solutions for all your BGA rework and repair needs.
Circuit Technology Center
When is it Time to Switch from Manual Assembly to Automation?
When is it Time to Switch from Manual Assembly to Automation?
We are a new start-up assembling wireless sensors. All assembly is now manual. We are experiencing large reject rates due to hand soldering of components.
Board Talk
The Importance of Having a Clean Slate in the SMT Assembly Process
The paper covers an experiment to improve upon the defect ratio of their PCB assembly process by utilizing a bare board cleaner before the paste printer.
Analysis Lab
Cleaning Industrial Parts with Plasma
The cleanliness of surfaces is critical for the quality of processes like bonding, coating and printing. That’s why manufacturers may want to consider using atmospheric pressure plasma.
Production Floor
Sponsor
Master-Bond

Optically Clear, Nanosilica Filled Epoxy
Master Bond EP114 is a NASA low outgassing rated, heat cured epoxy that can be effectively utilized for underfill, coating, impregnating and porosity sealing applications.
Master Bond
Low Temperature Solder Joint Shear Strength of Components
Low Temperature Solder Joint Shear Strength of Components
This paper studies the effect of several factors on the shear strength of a wide range of components assembled using LTS paste.
Materials Tech
Characterization of SIP Assembly and Reliability Under Thermal Cycles
This paper presents assembly challenges and reliability evaluation of Three-Dimensional Through- Mold Via and System in Package in fine pitch ball grid arrays.
Production Floor
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
Selectively Annealing Metal Panels
A factory was making door trim panels but the metal was cracking when pressed. How did the company prevent the cracking?
Mysteries of Science
The Maximum Allowable Compression Load Per Solder Interconnect
The Maximum Allowable Compression Load Per Solder Interconnect
An attempt to identify the maximum quantitative allowable compression load per solder ball in a large component configuration with 600μm in solder ball diameter is investigated.
Analysis Lab
Cleaning under Bottom Terminated Components
Cleaning under Bottom Terminated Components
This paper demonstrates continuously detecting the proper quality of rinsing water and the status of chemical filters, which provide the required parameters.
Production Floor
Sponsor
Circuitnet

"Ask the Experts" Program by Circuitnet
Do you have a question or process issue in PCB assembly? The Circuitnet "Ask the Expert's" program has over 100 panel members waiting to answer your question. Submit question now.
Circuitnet Media LLC
Thermal Fatigue Reliability of SAC305 due to Mixed Metallurgy Assembly
This study presents thermal fatigue data generated in thermal cycling for the case of BGA mixed metallurgy assembly.
Analysis Lab
Copper Dissolution Testing Report for the Selected Pb-free Solder Alloys
This paper describes the approach for measuring the copper dissolution rates of five Pb-free solder alloys.
Materials Tech
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
Additive Manufacturing for Next Generation Microwave Electronics
The paper will discuss the integration of 3D printing and inkjet printing fabrication technologies for microwave and millimeter-wave applications. With the recent advancements in 3D and inkjet printing technology, achieving resolution down to 50 um, it is feasible to fabricate electronic components and antennas operating in the millimeter-wave regime.
Production Floor
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Smart-Sonic
Sponsor
Smart-Sonic

Safe and Effective Cleaning with 440-R
VOC-free stencil cleaning chemistry! Cleans any solder paste from any fine-pitch stencil when used as part of the Smart Sonic stencil cleaning process. Learn more.
Smart Sonic
Creative-Electron
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
Cartoon
"Let's run some tests before we blame it on global warming."
Copyright © Randy Glasbergen