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Knowledge, Vision & Wisdom Jul 7, 2015
How Effective Is Nano Coating On Stencils?
With nano coatings on stencils evolving over the past few years, what is the best method to measure the nano coating thickness? How do you know if the coating degrades over time?
Board Talk
What Causes Black Pad?
What is the primary cause of Black Pad and/or pad contamination during the assembly process?
Ask the Experts
Virtual Access Augments Test Coverage
Virtual Access Augments Test Coverage
Detecting open solder connections with electrical test techniques is a major challenge for manufacturers because of the erosion of test pads.
Production Floor
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The Discipline of Business Experimentation
The Discipline of Business Experimentation
We'll tell you how you can determine in advance whether a new product or business program will succeed by subjecting it to a rigorous test.
Technology Briefing
BGA Reballing and Influence on Ball Shear Strength
This paper focuses on the effect of various parameters that are used to reball a BGA component and their effect on the overall shear strength.
Analysis Lab
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Imbedded Components: Ready for Mainstream?
This paper discusses the design methodology, and validation/test data gathered during the implementation of IC/DT in a mixed signal prototype.
Materials Tech
Panel Level Packaging
In this paper a wide variety of technologies are described that allow the generation of maximum miniaturized microsystems or SiPs.
Production Floor
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Cleaning with Sodium Bicarbonate
Is there an affect on PCBA long term reliability for assemblies cleaned with a "Sodium Bicarbonate" scrub to remove tarnishing of silver immersion plating?
Ask the Experts
Causes and Solutions for Solder Beading
Industry expert Bob Willis explains how to address solder beading, a defect usually found on chip components. Hint: it's your stencils.
Analysis Lab
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Is HASL a Good Choice for Surface Finish?
We are using a lead-free hot air solder leveling board finish. Our boards have several bottom-terminated components. Is this the best choice for a surface finish?
Board Talk
Material Selection and Optimization for TMV PoP
This paper investigates selected aspects of materials selection and parameter optimization to better understand the critical factors associated with successful TMV PoP assembly.
Materials Tech
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New Super Thin Imaging Platform
New Super Thin Imaging Platform
An atomically thin material developed at Rice University may lead to the thinnest-ever imaging platform.
Technology Briefing
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Precision Cleaning in the 21st Century
This paper details the development of an environmentally friendly, non-flammable cleaning solvent with very low global warming potential.
Production Floor
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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 the other requirements for the solder connection are met.
Ask the Experts
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The Overheated Professor
A professor was having hot flashes. Was it a medical condition or something else? Could his students be involved?
Mysteries of Science
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Cartoon
"It's supposed to be inspirational, but most employees see it as permission to take a nap."
Copyright © Randy Glasbergen