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Tombstone Troubleshooting
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Featured Article

Tombstone Troubleshooting

Liz Mitchell   Marketing Manager,   EFD Inc.

There have been many studies of the causes of tombstoning; some published, some not. They tend to focus on a single process parameter as the root cause of tombstoning. However, there is no single process change that is a sure cure for tombstoning! Those that claim otherwise are either uninformed or trying to sell you something. Rather than limiting your view to a single solution, EFD recommends you heed all of the studies. Like pieces of a puzzle, each study does not reveal the whole picture, but looked at all together, the picture is clear...

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Best Video Soldering Tips

Bob Wettermann   President,   BEST Inc.

BEST Instructors have put to video demonstrations of common hand soldering skills. These are not designed to be in place of live one on one training where repetitive skills and subsequent one on one feedback is given. Rather they are quick refreshers designed to be viewed if a specific skill has not been practiced in a while.

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SAC solder balls reflow with Sn/Pb paste - Voids Issue

Posted by CW

I need to reflow SCA solder balls on Sn/Pb paste, i get a pretty OK solder wetting and collapse apperance, however, i am seeing voids everywhere, some of them is greater than 25-30%, which has exceeded IPC standard...

MPM AP25 Print Repeatability Problem

Posted by Daxman

We've got a problem with our AP25. I just finished repairing and calibrating this printer. We needed to replace the camera. After the cal. was done, the print accuracy was superb. However, it seems now, the consistency will not maintain itself...

Solder Saver?

Posted by aj

I am currently looking at ways to reduce Dross on our wave process. One tool that I came across was the Pulsar Solder Saver. Its hand held and kinda sucks in the dross -returns the good solder to he bath and drops the powder on top of the Pot to be scooped away...

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Upcoming Events

Trade Show/Exhibition

Wed, November 01, 2006

Tianjin International Exhibition Centre,

Reed Exhibitions China

On May 9th, 2006, the latest statistics from MII showed that since the beginning of this year, electronics & information industry in our country has developed swiftly...


Tue, November 07, 2006

The Swallow Stone House Hotel, UK


This one-day seminar brings into focus the problems, and solutions, of designing PCBs for the thermal environment...

Trade Show/Exhibition

Wed, November 01, 2006

Wyndham Hotel San Jose, CA, USA


The third annual IWLPC will explore cutting edge topics in integrated circuit packaging, including 3D packaging, system-on-package, MEMS and chip-scale packages...

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Career Center

Process Engineering Technician

Reptron Manufacturing

Tampa, FL USA

Help us be a leader by acting as the Process Engineering Technician on 2nd Shift for our Printed Circuit Board Manufacturing Division...

SMT Operators - 3rd Shift

Reptron Manufacturing

Tampa, FL, USA

The candidate must have experience operating Universal or Siemens surface mount equipment...

Professional Sales Representative

Robotic Process Systems Inc.

Spokane Valley, WA, USA

We are looking for professional sales representatives who possess in depth technical knowledge of the electronics manufacturing industry...

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SMTnet Express
October 26, 2006

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