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Swaroop Pawar


PCBA Industrialization
Schneider Electric

Have 18 years of experience in electronic Industrialization. Specialties in PCB Design & manufacturing process, PCBA Process Development and Continuous Improvement.

Swaroop Pawar has submitted responses to the following questions.
Aluminum Trays and Rapid Static Discharge
Electric components should only be handled in an ESD Protected Area. Manufacturers must ensure that workstations are static-safe. Aluminum is ...
BGA Component Grounding Problem
Perform an Dye-n-Pry test on BGAs. It should identify any cracks or separations within the solder joints that could lead ...
Components Falling Off During Reflow
Excessive solder will not contribute to component falling, but it may result in bridging, solder balling, and tomb stoning of ...
Contamination From Anti-static Foam
I would suggest to go with 99% isopropyl. It's more expensive but works well. Use fresh isopropyl or denatured ethanol ...
Moisture Sensitive Components in Flooded Storage Facility
As the material were not stored in ambient condition for several days, It's always advised to discard such components, as ...
How to Re-qualify BGA Spheres
Recommend to perform Shear / Bend Test on entire PCBA to determine the Solder Strength on BGAs. Upon Shear test ...
No-Clean Flux Residue After Selective Soldering
No-clean residues on PCBA after wave solder process primarily consists of resin and weak organic acids and are engineered to ...
Solder Bridging Problem on Header Connector
A pictorial of your issues would have helped us to response more accurately. Anyway, below are few actions & hope ...
Moisture Sensitivity Level for Bare Boards
FR4 with a Tg iY 170 degrees C PCB's are considered to be sensitive to humidity, such PCB's should be ...
Mixing Different SAC305 Solders
Yes, you can mix, but ensure the alloys are from 100% virgin materials, as more and more offers on the ...
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