Cavitation in Ultrasonic Cleaning and Cell Disruption

It is important to quantify the cavitation energy in all applications ranging from ultrasonic cleaners to cell disruptors.  A cavitation meter measures the energy intensity and frequency within ultrasonic and single wafer cleaners, including probes with side-mounted sensors that can be placed within the megasonic jet streams, as well as those resembling a beaker to quantify the energy emanating from the ultrasonic horns used for cell disruption and homogenizing.  Lawrence Azar (February 2009 issue of Controlled Environments Magazine)
Understanding and Evaluating Ultrasonic and Megasonic Cleaners

Achieving perfect uniformity within a bath has been elusive and assuring one is operating between effective levels is critical. Using the cavitation meter as a process control tool will improve both the yield and throughput of the cleaning operations.  Lawrence Azar  (September/October 2007 issue of Process Cleaning Magazine)
Since 1996, ppb has been the leader in providing solutions to your Ultrasonic
and Megasonic cleaning efficiency concerns. With ever decreasing dimensions or need for quality assurance,
the understanding and analysis of your cleaners has never been more critical.

Our advanced line of cavitation metrology
instruments have been proven to increase yield by accurately measuring the
energy and frequency in Ultrasonic and Megasonic cleaning baths, nozzle
streams and films, and cell disruptors and
homegenizers 

Our digital hand-held meters allow users to map the in-situ energy distribution, establish tank-to-tank uniformity, and
identify de-bonded or failed transducers. This is accomplished through our
advance sensor and signal processing design, which captures the cavitation
implosion and the driving acoustic signatures.

Our probes provide an accurate and repeatable measure that incorporates
such solution variables as temperature, vapor pressure, surface tension, and flow
rate. Continuos monitoring is also possible with our Monitoring-Transmitter. NIST Traceable Calibration available.
 


Megasonic Bath

Ultrasonic Bath
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Ultrasonic Energy Meter
Megasonic Energy Meter
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Customers for the Ultrasonic Energy Meter have included Seagate, Western Digital, IBM, Intel, Hyundai, Boeing, Sundstrand, Becton Dickinson, Motorola, Hewlett Packard, Gillette, and others. The industries typically fall in the electronic (including disk drive), pharmaceutical, aerospace, automotive, and machine parts cleaning and manufacturing markets. With the addition of the Megasonic Energy Meter and the Ultrasonic/Megasonic Energy Meter, ppb's customer base has expanded to include the high-end semiconductor processing and wafer cleaning industries. Customers for the Megasonic meters include AMD, Texas Instruments, Phillips Semiconductor, Verteq, and others. 
How to?
How to map a tank
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Download Literature  
Brochure.pdf  Product Brochure
ECSpaper.pdf  Y. Wu, C. Franklin, M. Bran, and B. Fraser (Verteq, Inc.), "Acoustic Property Characterization of a Single Wafer Megasonic Cleaner," Presentation & Proceedings, "Electrochemical Society", Honolulu, HI, October, 1999
Additional Literature/Awards

 
http://www.cemag.us/articles.asp?pid=332 PPB Megasonics was featured in the January 2003 issue of A2C2 Magazine (now Controlled Environments Magazine): "Measuring Sonics, Part 2"  by Barbara Kanegsberg and Ed Kanegsberg. (Click on picture to read article) BoeingNewWrinkles.pdf PPB Megasonics' Ultrasonic Energy Meter was featured in the May/June 2000 issue of Precision Cleaning Magazine:  "New Wrinkles in Evaluating Ultrasonic Tanks" by John M Kolyer, AA Passchier, and LY Lau.   All three men are employed by Boeing. (Click on picture to read article)
MICRO Magazine's Top 40 Product All-Stars of 1998 PPB Megasonics' Ultrasonic Cavitation Energy Meter had been selected as a MICRO Magazine Top 40 Product All-Star for 1998 www.cleantechcentral.com/ PPB Megasonics' Ultrasonic/Megasonic Energy Meter was a CleanTech (Precision Cleaning and Parts Cleaning) Magazine 2000 Cleaning Technology Award Nominee

PPB Megasonics
3 Monroe Parkway, Suite P438
Lake Oswego, OR  97035
503.697.0828
503.697.0929 Fax

Contact PPB for additional information: