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SMT, PCB Electronics Industry News

News from KYZEN Corporation

Kyzen’s Mike Bixenman to Hold Cleanliness Testing Presentation at SMTAI 2009

Sep 17, 2009

NASHVILLE — September 2009 — Kyzen, a world leading provider of environmentally responsible precision cleaning products for electronics and high-technology manufacturing operations, announces that Mike Bixenman, CTO, along with Ning-Cheng Lee, Ph.D., Indium Corporation and Steve Stach, Austin American Corporation, will hold a presentation titled “Ionic Cleanliness Testing Research of Printed Wiring Boards for Purposes of Process Control” at the upcoming SMTA International conference, scheduled to take place October 6-7, 2009 at The Town and Country Resort and Convention Center in San Diego. The presentation will be held during session SMT1, titled “Cleaning and Cleanliness Testing Challenges in a Lead-Free World,” which is scheduled to take place Tuesday, October 6, 2009 from 10-11:30 a.m.

Ionic Cleanliness testing machines are designed to determine the total ionic content extractable from the printed wiring board for purposes of process control. The conductivity of the extract solution is measured and the results are expressed as sodium chloride equivalence per unit area. The problem with this method is twofold: 1) Many of today’s low residue flux and lead-free flux residues are not soluble in the extract solution. 2) Contamination of concern is with site-specific components, from which contamination does not correlate to the area of concern. The purpose of this study is to research low residue and lead-free flux structures, identify solvent compositions that will dissolve these residue types, and offer options for performing both bulk and site-specific ionic cleanliness testing methods.

Cleaning challenges are increasing due to the evolution of high-density designs and the transition to lead-free soldering flux chemistries. Both create separate and additive requirements for cleaning and cleanliness testing. This session will explore cleaning chemistries, flux chemistries, and cleanliness testing chemistries in an effort to provide insight into current technologies and what work is still needed in the area of critical cleaning and cleanliness testing.

Kyzen is a leading supplier of precision cleaning chemistries to the worldwide electronics, metal finishing, medical, semiconductor, and optical industries. Founded in 1990, Kyzen offers superior cleaning chemistries, technical support, application and analytical services throughout the world. Kyzen has won numerous industry awards for its exceptional products and all products are RoHS compliant. For more information, visit

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