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

July 2008

 

Dear Subscriber;

In this edition of the BEST  newsletter  we are discussing :

  • Newly commissioned  laser allows for more precise cutting and etching
  • Nano particles lead to high efficiency solar panels

As . our national energy policy debate moves to the forefront we bring you information about some new solar technology.

Do not miss out on two very good learning opportunities. Mark your calendars for the rework symposium that will be held on Thursday August 14th at BEST Inc in Rolling Meadows where there will be (3) very knowledgeable speakers  from OK International, VJ Technologies  as well as demonstrations from the BEST staff , Chemtronix and PACE. Hear how do it, see how to do it!

Don't forget to mark your calendars for the BEST presentations at SMTAI in Orlando between August 17-21. BEST presenters will be discussing laser rework methods as well as hand soldering in a mixed alloy environment.

Also see our new capabilities movie!

 Please mark your calendars for these informative events!

Thanks!

CktBdAnimated

Bob Wettermann
President, BEST Inc

Solder Tips
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BEST Video Soldering Tips

BEST Instructors have put together video demonstrations of common hand soldering tips and 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.

 

laser and trace
BEST Commissions New Laser for Rework and Micro Machining Services Laser micromachining in the electronics industry requires that materials are either cut through, partially cut through, scored or marked in a very precise and repeatable fashion. (In the above picture a 5 mil trace is exposed underneath the solder mask precisely)

BEST has the capability to precisely machine your PCB assemblies and components for marking, rework or production requirements. The following applications are typical when using lasers:

  • Marking and De-Marking
  • Precise Mask Removal
  • Precision Cutting
  • Scribing

BEST has a variety of LASER sources, which can drill, cut, mill and etch materials with dimensional tolerances as small as 1 micron (0.00004"). The onsite CO2 LASER has very good processing speeds and can be used to cut, scribe, scive and etch nearly any organic material such as glass, ceramic, wood and plastics. The onsite YAG source LASER has the ability to work on nearly any material including metals, plastics, silicon and ceramics.


If you have specific questions on specific applications of this machining service please  call Katy Radcliff at (847) 797-9250.
 
Nano Particles Make Highly Efficient Solar Panels

Nano Crystal High Efficiency Solar Cell
The inefficiency of solar cells in converting the sun's rays into electricity is a key contributor to the high costs of solar energy, but new research into a novel shape of semiconductor nanostructures known as "nano flakes" may revolutionize the process and help improve the viability of clean energy derived from the sun. Details of the research by Martin Aagesen, a PhD from the Nano-Science Centerand the Niels Bohr Institute at University of Copenhagen  were recently published in nature nanotechnology. If his "future solar cells" meet expectations, they may be a huge step towards boosting the world's exploitation of solar energy. Aagesen believes that the nano flakes have the potential to convert up to 30 per cent of the solar energy into electricity and that is roughly twice the amount that the average solar cell today.

The discovery was made during Aagesen's work on his PhD thesis when he found a new and untried material. "I discovered a perfect crystalline structure. That is a very rare sight. While being a perfect crystalline structure we could see that it also absorbed all light. It could become the perfect solar cell," he said. The technology has the potential to reduce the solar cell production costs which rely on expensive semiconducting silicium. At the same time, the "future solar cells" will exploit solar energy more effectively and lessen the loss of energy.

 
TABLE OF CONTENTS
 
New Laser Commissioned
High Efficiency Solar Cells
 
QUICK LINKS
 
 
BEST Capabilities Video
EZReball(TM)
Cost of Rework Calculator
 
 
ASK THE EXPERT
Smiling Cartoon

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 asked and answered here.

 
PRODUCTS & SERVICES
 
 


BEST Inc. is offering an SMT "Boot Camp" , a professional training course for new SMT technicians, operators, and engineers looking to increase their knowledge and understanding of the manufacturing steps for electronic assemblies. The training gives attendees an in-depth look at surface mounted assemblies and the processes involved in their manufacture. Practical assembly methods, hands-on demos, local area plant tours, and explanations from industry experts will be combined with classroom lectures.

Call Katy Radcliff at (847) 797-9250 for details.

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.

 
REWORK SYMPOSIUM
Finger repalcement

BEST has invited several well-qualified speakers and applications specialists to speak and demonstrate techniques at a technical rework symposium to be held at BEST on August 14th. Speakers  from OK International, VJ Technologies and BEST will be speaking on a variety of rework topics. In addition, there will be hands on demonstrations of XRAY inspection, bottomside heating, hand rework cleaning techniques as well as on reballing and lead free hand soldering. The meeting is co-hosted by the SMTA IL chapter and will feature a fresh hot breakfast served in the BEST kitchen along with fresh juices and coffee followed by the symposium and an optional round of golf. Call Gerri  Noble at
847-639-2440 to register.

 

SOLDERING TIPS

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Newsletter

WHAT'S NEW?

VIDEO: BEST at APEX 2017 Convention

ARTICLE: Flex Circuit Repair

 

 

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