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Phone: 978-374-5000
NEWSLETTER: March 22, 2017
Damaged Mounting Hole Repair
Damaged Mounting Hole Repair
For this repair we're looking at the process to correct base board damage, or to correct a design error at an ejector mounting handle location, but this procedure can be used to repair any non-plated hole. The ejector handle is often held in place by a roll pin. When the ejector handle is retracted, the lever action will be used to press in, or eject the circuit board into, or out of a connector, or card cage. Standard circuit board construction will easily withstand this stress, but what about a modified, or repaired ...
Feature Story
BGA Rework - With or Without Solder Paste
Ask the Experts
During a BGA remove and replace process, is it preferable to use a mini stencil and re-deposit solder paste on the site? Or is the fact that the pads are already tinned enough to produce a quality reflow ...
Ask the Experts
Process Control and Reliability of Reworked BGAs
Damaged Mounting Hole Repair
The lead-free solder does not wet metal surfaces as well as tin-lead metallurgy. This narrows down the process window for lead-free solder ...
Technical Library
Options for Gold Contact Rework
Damaged Mounting Hole Repair
When gold edge contacts can become worn, damaged or contaminated by solder, they must be either repaired and restored, or replaced. Both procedures result in a high conformance level repair that is reliable and long lasting. Re-plating is a reliable, yet complicated, process requiring a considerable amount of setup, special chemistry that is hazardous and, in general, a high level of operator skill and training. Replacing the contact is faster and simpler, lacking the setup and chemistry of re-plating, but ...
Feature Story
Managing the Internet of (Hackable) Things
Damaged Mounting Hole Repair
The total economic benefit of IoT in 2025 could be up to $11 trillion per year. This will open opportunities for wealth creation and legal concerns ...
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
What is the standard width between railroad tracks?
See the answer below.
Quote of the Day
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Trivia Answer
In the United States, the standard width between railroad tracks is 4 feet, 8 inches.