|Ask the Experts Member|
Smart Sonic Corporation
Mr. Schreiber developed the original ultrasonic stencil cleaning process in 1989. Obtained the only EPA Verification for specific parameters of Environmental Safety, User Safety and Cleaning Efficiency for a stencil cleaning process.
Ultrasonic Cleaning and Surfactants
You are correct. It is less efficient to cavitate DI water and it doesn't take much surfactant to improve the ...
Stencil Cleaning Procedure
This is an excellent opportunity to bring the Stencil &Misprint Board Cleaning Handbook (IPC-7526) to your attention. A free copy ...
Post Print Inspection Issue
Before cleaning double-sided or bare board misprints, I recommend you review the Stencil and Misprinted Board Cleaning Handbook (IPC-7526), the ...
Stencil Cleaning Alternatives
When selecting a cleaning process - any cleaning process - the chemistry should be selected first. Justification and reasoning for ...
Ultrasonic Cleaning Causing Damage
Without knowing what you qualify as "damage" and also not knowing the type of ultrasonic cleaner and chemistry you are ...
IPA cleaning precautions
The best advice I can offer is "don't use IPA". There are many other chemistries available that clean better, are ...
Frequency range for ultrasonic cleaning
While the ultrasonic frequency is an important consideration, research studies have shown the Power Density and ultrasonic exposure time (cycle ...
Affects of Ultrasonic Cleaning
We have several published articles available for download on our web site, click on the "Recommended Reading" button. The article ...
At Smart Sonic, we do not recommend wiping or pre-treating the misprint in any way prior to cleaning in a ...
Best Board Cleaning Methodology
Solder ball contamination can manifest itself during several steps of the PCB assembly process. If you are referring to post ...
Ultrasonic Cleaning Considerations
First and foremost, one must understand that "ultrasonic" cleaning is just a mechanical scrubbing action. As with any cleaning application, ...
Ultrasonic cleaning PCB's after wave solder
The ultrasonic cleaning system is only the method of mechanical agitation or "scrubbing" action. Optimal cleaning temperature for most ultrasonic ...
Cleaning residue after wave solder process
Permali, the maker of Durostone pallet material, recommends a method for cleaning solder pallets. See: http://www.smartsonic.com/PDFfiles/1PDF-Permali_PalletCleaning-TechData.pdf ...
Method for cleaning boards after misprint
This is a good opportunity to let everyone know that the IPC has recently published the Stencil and Misprinted Board ...
Best method to clean "no-clean" solder paste
The IPC has just published IPC-7526, Stencil and Misprinted Board Cleaning Handbook. Section 4.0 provides a wealth of information for ...
Is lead contamination during cleaning of PB-free stencils possible?
There are several possibilities of lead contamination onto a lead-free stencil when using a single stencil cleaner for cleaning both ...
What type of cleaner method is preferred for lead-free stencils?
This is a good opportunity to let everyone know that the IPC has been working on a Handbook for Stencil ...
Ultrasonic cleaning for PCB assemblies
Safe ultrasonic cleaning of PCB assemblies is a very common question. For that reason, we maintain several published articles on ...
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