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Techniques, tips, and helpful information
about circuit board rework and repair.


This free newsletter is a publication of
Circuit Technology Center and CircuitMedic.

December 17, 2008
Merry Christmas and Best Wishes for 2009
imageWe send our warmest Christmas wishes to our friends and colleagues around the globe. May joy and happiness snow on you, may the bells jingle for you, and may Santa be extra good to you this year.

Jeff Ferry, President
Peter Vigneau, GM
Andy Price, Sales Manager
imageMicroDrill - The Repair Technician's Dream!
The surgical grade Micro-Drill is a true workhorse. Remove coatings, cut circuits, drill holes, all with super precision. Just like a dental drill, the hand piece is lightweight and easy to maneuver. Tech's love them.
CircuitMedic
Test Your Knowledge
Time is to frequency, as 8 is to: 1/8, 4, 16 or 64
See the answer below.
Did You Know?
Thomas Edison's first major invention was the quadruplex telegraph. Unlike other telegraphs at the time, it could send four messages at the same time over one wire.
Damaged Plated Holes?
This plated hole repair kit has all the tools and materials you'll need to repair damaged plated through holes in circuit boards.
CircuitMedic
A Photographer, the White House, and a smashed SD card

imageWhat do you do when an SD card containing shots of President George W. Bush and your client in the White House breaks into pieces, leaving you holding one of the tiny microchips you know full well should be inside?

The answer probably won't surprise you one bit: Take a deep breath and try to remain calm. This will provide you with no practical benefit. It will, however, afford you just enough time to really mull over how completely screwed you might ...

The Full Story ...
Industry Features
White Residue Rings
What happens when paste residues and cleaning solvents are incompatible? As debuted in these pages last month, the National ...
Circuits Assembly Magazine
Hot technologies to watch for in 2009
Every technologist, marketer, industry analyst and reporter on a hunt for the next big thing is bracing for the 2009 Consumer ...
Electronics Supply and Manufacturing Magazine
Matching Cleaning Process to Solder Alloy
How can we determine PCBA cleanliness in a cleaning process? How do cleaning materials change with environmental restrictions? What is ...
Surface Mount Technology Magazine
HIP Defects in BGAs
A study shows two significant factors are solder paste flux chemistry and BGA alloy ball wetting. Head-in-pillow (HIP), also known as ...
Circuits Assembly Magazine
BGA Footprint Mods... Are They Possible?

imageBGA rework is a topic about which volumes have been written, and in most cases the focus has been on component removal and replacement. However, equally important is the topic of BGA site modification, and the need for such modification arises often.

A common type of BGA site modification is the need to add a jumper wire at a BGA site. One option, of only a few, is to run a jumper through a hole in ...

Learn more ...
Do You Have Solder Contamination on gold contacts?
Here's the perfect kit for replating solder-contaminated gold edge contacts. Unique plating probes use pre-wrapped, screw-on plating anodes.
CircuitMedic
Quote of the Day
"The trouble with America is that there are far too many wide-open spaces surrounded by teeth."
Charles Luckman

"…if you have already sent us your payment, please accept our apology for the death threat and warm wishes for the holiday season."
Copyright © Randy Glasbergen
Are You Dumping Boards in the Scrap Barrel?
What happens to your valuable circuit boards when they're damaged? Can you repair them reliably? You might be surprised.
Circuit Technology Center
Knowledge Test Answer
Time is to frequency, as 8 is to: 1/8, 4, 16 or 64
Answer: 1/8. Time and frequency are inversely related: 8 and 1/8 are inversely related.
Past Issues
December 14, 2009
November 23, 2009
October 27, 2009
September 29, 2009
August 25, 2009
July 28, 2009
June 24, 2009
May 26, 2009
April 27, 2009
March 25, 2009

Circuit Technology Center, Inc.
135 Ward Hill Avenue, Haverhill, MA 01835 USA
Copyright © 2009 All rights reserved.

CircuitMedic is a Circuit Technology Center Brand


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