Electronics Assembly Knowledge, Vision & Wisdom
Reflow Soldering, Profiling
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These programs cover reflow soldering, profiling, data collection and more. Programs are sorted by published date, most recent first.


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

How Frequently Should  We Recheck Profiles?
How Frequently Should We Recheck Profiles?
Is it necessary to replicate thermal profiling during long-term mass production? Is it necessary to recheck accuracy of reflow oven profiles periodically?
Board Talk

Void-Free Soldering With Vapor-Phase Vacuum Tech
Void-Free Soldering With Vapor-Phase Vacuum Tech
This paper explores equipment that has been developed to achieve void-free joints using modern condensation reflow technology.
Production Floor

What is the Life Span of a Profile Board?
What is the Life Span of a Profile Board?
What is the life span of a profile board? How many times can I use one test board to profile a reflow oven before throwing it away and why?
Board Talk

Evaluating Accuracy of Thermocouple Attach Methods
Evaluating Accuracy of Thermocouple Attach Methods
The goal of this study was to identify a non-destructive method for thermocouple attachment that provides a small offset to the "actual temperature under a BGA."
Analysis Lab

How to Reduce Voiding on QFN Components
How to Reduce Voiding on QFN Components
I'm concerned about voiding in the central ground planes of my QFN components. What can I do and how concerned should I be?
Board Talk

Double Reflow-Induced Brittle Interfacial Failures
Double Reflow-Induced Brittle Interfacial Failures
This paper describes and characterizes an unusual open circuit failure mechanism in Pb-free ball grid array (BGA) solder joints.
Analysis Lab

Why Do Our Boards Warp During Reflow?
Why Do Our Boards Warp During Reflow?
Board flexing has recently started to occur on one of our circuit board assemblies, yet our process has remained the same. We are using a three-zone reflow oven. Phil Zarrow and Jim Hall, The Assembly Brothers, discuss this.
Board Talk

Tips When Moving a Reflow Oven
Tips When Moving a Reflow Oven
After moving a reflow oven to a different site, what steps do you need to perform on the machine for the machine to be certified?
Board Talk

5 vs 8-Zone Ovens
5 vs 8-Zone Ovens
We are setting up an assembly line for small line production. We prefer to purchase a 5-zone oven but our concern is that five zones may not be enough to ensure a reliable reflow process compared to an 8-zone oven. Jim Hall and Phil Zarrow, The Assembly Brothers, share their insight.
Board Talk

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