circuitnet
Sponsor
SEHO Systems GmbH
Simply Double the Production Volume
SEHO SelectLine features the award-winning Synchro and SmartSplit production modes that allow to halve cycle times in batch production and mixed operation. Find out more.
SEHO Systems GmbH
SMT Wastewater Treatment
Sponsor
Viscom SE
iX7059 SMT Edition: Next-Gen 3D X-ray
Experience high-precision inline 3D X-ray inspection by Viscom with AI-powered defect detection, exceptional image quality, and reliable performance for complex SMT assemblies.
Viscom SE
Ask the Experts Member
QUESTIONS
  
SUBMIT
  
MEMBERS
  
JOIN
Walter Pierowski

Walter Pierowski

Process Engineer
Esterline Interface Technologies
Mr. Pierowski is currently a Process Engineer for SMT and Electrical Assembly with 20+ years of experience. A majority of the experience was based in screen/stencil printing for electronics manufacturing including application support for SMT, LTCC, HTCC and thick film.

Walter Pierowski has submitted responses to the following questions.
LED Component Shift During Reflow
One of the most common reasons for a component to shift during reflow is that it is"floating." The reason a ...
BGA BAll Sheer Testing
That is exactly the results I would expect from a mechanical removal of a BGA. Remember solder is designed to ...
Cleanliness Testing
One new technique is a localized cleanliness tester. There is one called C3 from Foresite. With this type of cleanliness ...
ENIG Solderability Issues
My first check would be for any contamination on the circuit board. I have in the past had issues when ...
Free Newsletter Subscription
Circuitnet is built for professionals who bear the responsibility of looking ahead, imagining the future, and preparing for it.

Insert Your Email Address

Sponsor
DL Technology
EZ-FLO High Precision Dispense Tips
Each needle is machined from solid stainless steel as opposed to rolled tubing. The resulting smoother internal profile enhances material flow and consistency. Learn more.
DL Technology
Introducing New Board-to-Board Connectors