Electronics Assembly Knowledge, Vision & Wisdom
Soldering, Selective, Wave << Page 1 of 15 >>
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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Automated Soldering vs. Hand Soldering
What is the differences in reliability for SMT machine placement followed by reflow soldering vs. hand placement followed by hand soldering?
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Top Side Reflow Causing Solder Balls
Top Side Reflow Causing Solder Balls
When selective soldering the secondary side, we are producing solder balls on the primary side. What can be done to prevent this from happening? The Assembly Brothers, Phil Zarrow and Jim Hall, answer 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
Board, Package and Die Thickness Effects Under Thermal Cycling Conditions
A model that enables the scaling of solder joint failure cycles for board and die or substrate thickness effects under thermal cycling conditions is discussed.
Analysis Lab
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Toe Fillet Requirements on Gull Wing Components
Is a toe fillet required on gull wing components? We have some gull wing components that have no toe fillet, but all other requirements are met.
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Reworkable Edgebond Applied Wafer-Level Chip-Scale Package
Reworkable Edgebond Applied Wafer-Level Chip-Scale Package
This paper presents data showing that localized distribution of recrystallized grains is an accurate indicator of solder joint life-cycle degradation and enhancement.
Analysis Lab
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BGA Solder Ball Shelf Life
BGA Solder Balls are a homogeneous mass of metals, why is the shelf life only two years? Can the shelf life be extended?
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Solder Pallets With Titanium Inserts - Yes/No?
Solder Pallets With Titanium Inserts - Yes/No?
Our pallet manufacturer recommends titanium inserts to allow larger apertures near closely spaced surface mount components. Are they worth it?
Board Talk
Selective Solder Pot Temperatures
Selective Solder Pot Temperatures
What temperature should the solder pot in our selective soldering machine be? Should the temperature be different from our wave system?
Board Talk
Reactivity of No-Clean Flux Trapped Under Bottom Terminated Components
Reactivity of No-Clean Flux Trapped Under Bottom Terminated Components
As components reduce in size, the flux residue formation during the reflow soldering process is altered which can impact the reliability of the final assembly.
Analysis Lab
Soldering, Selective, Wave << Page 1 of 15 >>