Electronics Assembly Knowledge, Vision & Wisdom
Soldering, Selective, Wave << Page 1 of 10 >>
These programs cover manual and automated soldering, selective soldering, wave soldering and more.

Programs are sorted by published date, most recent first.
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Can Mixing Wave Solder Pallets Cause Contamination?
Can Mixing Wave Solder Pallets Cause Contamination?
Our wave solder pallets are made from Durastone. Can we use the same wave solder pallets for leaded and lead-free? Jim Hall and Phil Zarrow, the Assembly Brothers, share their own experiences.
Board Talk
Position Accuracy Machines for Selective Soldering Fine Pitch
Position Accuracy Machines for Selective Soldering Fine Pitch
Selective soldering is a robust soldering process. This paper explores the different process steps and critical parameters.
Production Floor
Hand Soldering Reliability
Hand Soldering Reliability
Can you comment on potential differences in reliability for SMT machine placement followed by reflow soldering vs. hand placement followed by hand soldering in surface mount? The Assembly Brothers, Jim Hall and Phil Zarrow, address this question.
Board Talk
The Versatile Preform
The Versatile Preform
This paper discusses attributes within the solder families that the preforms are composed of and considerations when considering solder preforms.
Production Floor
Opens With Assembled QFN Components
Opens With Assembled QFN Components
We are experiencing opens on assembled QFN components at a rate of approximately 9%. The component has two rows of pads and the failure only appears in rows near the component center. Our boards are double-side reflow and this component is mounted on the first side. What is happening?
Board Talk
Causes of Blowholes
Causes of Blowholes
Are old components such as resistors and circuit breakers more likely to cause blowholes during wave soldering compared to newer components? Phil Zarrow and Jim Hall, The Assembly Brothers, discuss this question.
Board Talk
How To Eliminate PCB Bow and Twist
How To Eliminate PCB Bow and Twist
Industry expert Bob Willis uses the NPL Defect Database to explore techniques to reduce the possibility of circuit board bow and twist.
Production Floor
Simple Test for Flux Penetration
Simple Test for Flux Penetration
What is a good test for flux penetration through plated hole barrels on plated through hole circuit boards? A simple method is offered.
Board Talk
Problem Meeting Minimum Hole Fill During Wave Soldering
Problem Meeting Minimum Hole Fill During Wave Soldering
We are having problems achieving the minimum hole fill of 75% on electrolytic capacitors using our wave soldering. What do you suggest?
Board Talk
Impact of Lead-Free Components for High Reliability
Impact of Lead-Free Components for High Reliability
This paper has discussed some of the issues faced by organizations in the high reliability sector when adopting COTS and lead-free components.
Analysis Lab
Soldering, Selective, Wave << Page 1 of 10 >>