Phil, I know it must be frustrating to try and weed through all of the hype that is put out by various stencil cleaner manufacturers. However, there is some impartial published data available.
An article by Richard Clouthier (now with Photo Stencil) was published in EP&P and Asian Electronics Engineer titled "SMT Stencil Cleaning: A decision that could impact production." Mr. Clouthier discusses the various types of machines and chemistries used to clean stencils from a stencil manufacturer's perspective and points out how print yields may be improved when using the proper cleaning process.
The Environmental Protection Agency (EPA), the primary regulating agency over your current and future stencil cleaners, has independently evaluated the Smart Sonic Stencil Cleaning Process for environmental impact, user safety and process efficacy. As a result, the California EPA has Certified the Smart Sonic Stencil Cleaning Process and validated all performance claims made by Smart Sonic. This was also verified by the U.S. EPA as part of their Environmental Technology Verification (ETV) Program.
There is also an article posted in the SMTNet library by Chuck Currie. And, Nick Lester, previously of Circuits Assembly, published an article in the November 1998 Circuits Assembly Magazine.
The EPA data is available at the following Web Site: www.epa.gov/etv/verifrpt.htm#03
Mr. Clouthiers' and Mr. Lester's articles are on our Web Site: www.smartsonic.com/article.html
Go to the SMTNet library to get Mr. Curry's article.
If you should have any questions, I am available with my biased opinion also. 1(800) 906-440-R or e-mail me. Best of luck.
Regards, Bill Schreiber
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