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NEWSLETTER: October 4, 2017
4 Techniques for Removing Solder Mask
4 Techniques for Removing Solder Mask
What can you do when you find solder mask covering some part of a circuit board where you don't want it. It's certainly not unusual to find test points, ground pads, or even a component footprint inadvertently covered with solder mask. But, all is not lost! There are several safe and reliable ways to remove solder mask from the circuit board surface. Grinding and scraping, milling, micro blasting, and chemical stripping are the most common. They all have advantages and disadvantages and we'll review them in this ...
Feature Story
Is Rework Unacceptable?
Ask the Experts
We have a customer who insists that circuit board assemblies should not be reworked in any way. They will not accept boards which have been reworked. Is this practical ...
Ask the Experts
Overcoming Repair Depot Challenges
4 Techniques for Removing Solder Mask
Many OEMs develop a repair depot strategy reactively. Properly planned, repair depot services can be a source of customer satisfaction and even an additional revenue stream. This paper looks at key issues that should be considered in developing a robust outsourced repair depot strategy ...
Technical Library
Trimming Conductors in Very Tight Places
4 Techniques for Removing Solder Mask
Anyone familiar with high-frequency and microwave printed circuits understands the sensitive design considerations each requires. Occasionally, you may encounter the need to reduce a circuit or conductor width when a pad or conductor is violating space requirements. This type of modification is an extremely delicate operation requiring not only the hands of a surgeon, but may require the use of customized tools modified specifically for the application. Recently, we were ...
Feature Story
Liquid-Based Lenses that Flex
4 Techniques for Removing Solder Mask
A team of engineers has developed glasses with liquid-based lenses that "flex" to refocus on whatever the wearer is viewing ...
Technology Briefing
Published By
Circuit Technology Center
Andy Price, Bob LePage, Ronna LaBranche, Jose Irizarry, Ted Farnham, Bun Chhouy, Peter Vigneau, Jeff Ferry

For over 33 years Circuit Technology Center and CircuitMedic have been recognized as the world's most innovative and reliable specialists in circuit board rework and repair services and products.
Trivia Question
As it relates to electronics, what does the acronym EMI stand for?
See the answer below.
Quote of the Day
Computers make it easier to do a lot of things, but most of the things they make it easier to do don't need to be done.
Andy Rooney
"I have plenty of management experience. I spent 18 years telling my parents what to do."
Copyright © Randy Glasbergen
Trivia Answer
Electromagnetic Interference also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.