circuit insight
December 9, 2025
Optimizing Cleaning Strategies for Advanced Packaging Technologies
Optimizing Cleaning Strategies for Advanced Packaging Technologies
The study will utilize various test vehicles with low standoff components, using both No-clean and Water-soluble solder formulations. Two aqueous-based cleaning agents will be evaluated, and cleanliness assessed through visual inspection, SIR, and IC testing following IPC standards.
Materials Tech
What is the Best Way to Clean Solder Stencils?
Every 4 hours we remove each solder paste stencil and wipe both sides using IPA lint free wipes and then blow drying. Is this the proper procedure?
Board Talk
Sponsor
Aim-Solder

Bismuth in Solder Alloys
Bismuth is a primary constituent in many low-temp solders. It also serves as an additive element in SAC solders that reinforces joint durability & optimizes wetting characteristics.
AIM Solder
Heterogenous Integration using Fan-out Wafer-level Packaging Technology
An overview of packages having multiple die along with double-sided build up layers will be presented. This technology can provide high module yields.
Production Floor
How to Manage Material Outgassing in Reflow Oven
How to Manage Material Outgassing in Reflow Oven
This study investigates the evaporation of chemicals during the reflow process from preheating until cooling. Different solder pastes are compared.
Analysis Lab
Hybrid Sintering for High-power Density Devices Aerospace Applications
This paper presents the results of a study aimed at developing high-power density devices for aerospace applications.
Materials Tech
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
Extending 3D MRS Sensor Technology to Address Challenging Applications
Extending 3D MRS Sensor Technology to Address Challenging Applications
There is an increasing need for highly accurate 3D inspection and measurement capabilities for applications in SMT, semiconductor and metrology markets.
Production Floor
Solder Paste Volume for BGA Rework
Rework can never be as controlled or consistent as original assembly, should we use more paste during BGA rework to compensate for irregularities or flatness?
Board Talk
Sponsor
Circuit-Technology-Center

Tech Paper - The Essential Guide for High-Reliability BGA Component Re-balling
This paper outlines best practices and challenges in reballing Ball Grid Array (BGA) components. Download this free tech paper.
Circuit Technology Center
The Metallic Paint Secret
A technician determined how super-bright metallic paint was made without analyzing the material. How could this be done?
Mysteries of Science
High Performance Light and Moisture Dual Curable Encapsulant
High Performance Light and Moisture Dual Curable Encapsulant
This study is focused on liquid glop top encapsulants that are placed over the PCB components and wire bonds as a protective layer.
Materials Tech
How to Set Up a Successful Blind Via Hole Fill DC Plating Process
Successful via fill plating requires a specific electrolyte; the copper concentration is as high 50 - 60 g/L copper with low sulfuric acid at 30 - 60 g/L.
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
Comparison of Contemporary Stencil Coatings and Under Wipe Solvents
The tests examined the effects of wiping on different sized packages, different wipe frequencies, and different wipe chemistries.
Analysis Lab
Establishing Design Rules for the Laser Depaneling of Printed Circuit Boards
This paper presents design guidelines for laser depaneling such as contour limitations as well as required channel widths and component distances to the cutting edge.
Production Floor
Sponsor
Smart-Sonic

EPA Verified Stencil Cleaning Systems
Low power density ultrasonic cleaners combined with 440-R-SMT detergent provide safe and effective cleaning of stencils, pallets, oven radiators, misprints and SMD adhesives.
Smart Sonic
Was the Contamination From Silicone?
Was the Contamination From Silicone?
Black enamel was sprayed onto metal followed by a clear coating when a contamination problems surfaced. What was causing the contamination?
Mysteries of Science
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Master-Bond
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
Aim-Solder
Sponsor
Glenbrook-Technologies

Counterfeit Components Identified With X-ray Inspection
Automated component sourcing and procurement platform relies on real-time X-ray inspection to remove counterfeit components from supply chain.
Glenbrook Technologies
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