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In Solder Rework/Repair, Solder Training and ToolsFREE Inspection mirror

October 2008

 

Dear Subscriber;

In this edition of the BEST newsletter the main topics are:

  • StencilQuik(TM) and Making QFN Rework Simpler
  • Training Coupon for IPC Classes

There is also a funny electrical contractor story at the bottom of the newsletter worth checking into.

Thanks!

CktBdAnimated

Bob Wettermann
President, BEST Inc

 
BEST Solder Training Classroom
TRAINING COUPON

From now until 12/31/2008 BEST is offering a training coupon for any IPC (A-610D CIT, IPC 7711/7721 CIT, and the IPC JSTD 001D CIT) CIT class which can redeemed for either:

1.        10% off BESTFest

 

 

 

2.        $250.00 BEST Buy Gift                                                   Certificate

BEST BUY Gift Card

 

 

 

3.        $250.00  Coach Gift Certificate

Coach Logo

 
QFN Rework and StencilQuik(TM)

QFN Rework
The key to successful QFN rework is the proper "bumping" of the land areas on the QFN using the correct pattern. BEST has experience in designing these proper stencil patterns for a variety of differnet QFN IO counts, sizes and configurations, even when large ground planes exist on the device. StencilQuik(TM) stencils allow you to successfully and simply "bump" solder deposits on the part.

Non only does the part need to be properly bumped but these "bumps" need to be properly locatd and placed onto the PWB. StencilQuik(TM) stay in place stencils allow you to easily do this. 

 
 
Cannot Believe this Electrical Problem

BESTFest
A customer called an electrical contractor friend of mine with  an electrical problem. This customer had gone so far as to try to troubleshoot the source of the problem by taking panel cover of electrical panel.The customer's problem was that their sump pump wasn't working as evidenced by the fact that their basement had several centimeters of water in it. The panel was in the basement and this  customer was playing around with his circuit breakers while standing in 10cm of water!

Needless to say my contractor friend told the customer he should do nothing - just go upstairs and wait - and hug his kid!.

 
TABLE OF CONTENTS
 
QFN Rework
Electrical Problem?
 
QUICK LINKS
 
 
BEST Capabilities Video
EZReball(TM)
Cost of Rework Calculator
 
 
ASK THE EXPERT
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BEST's "Ask the Expert" column is designed to give one-one dialogue between a questioner and our master instructor Kris Roberson.Specification, processing and inspection questions are answered here.

 
PRODUCTS & SERVICES
 
BESTFest

CoolCap™protects adjacent IC components from secondary solder joint reflow due to stray heat from and during the pcb rework or repair process.


BEST INDUSTRY FORUMS
 

This Industry forum is a discussion area where opinions are given on equipment and processes, help is given on process problems and resources for problem-solving and troubleshooting are shared.

 

SOLDERING TIPS

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Newsletter

WHAT'S NEW?

VIDEO: BEST at APEX 2017 Convention

ARTICLE: Flex Circuit Repair

 

 

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