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Union Etchants International

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Union Etchants Int’l. Awarded Patent for Unique Gold-Recovery Process GOLDOUT™ Recovers >99% Gold on Site

Woburn, MA, December 04, 2009 --( Union Etchants Inc. (UEI), a leader in “greener alternative” iodine-based gold etching solutions and gold recovery products used in the manufacturing of semiconductor, RF, microelectronics, wireless and medical devices, has announced that it has been awarded Patent US 2007/0217976 A1, “Recovery of Gold from Potassium Iodide-Iodine Etching Solution.”

Semiconductor, RF, microelectronics, wireless, and implantable medical device manufacturers currently use UEI’s AU1 Gold Conductor Etchant, which is cyanide-free and retains more gold in solution.

The newly patented GOLDOUT™ product recovers (as a precipitate) >99% gold from spent etchant right at the manufacturing site for controlled assaying.

Video & Demo Kit - A GoldEx™ demonstration kit, to try both the etching and recovery process on site, is also available.

For photos or inquiries, contact UEI: Tel. (781) 935-8878; Fax (781) 932-8284; Media Inquiries:

About Union Etchants International, Woburn, MA, 01801, USA.
UEI, since 1979, has manufactured environmentally-friendly specialty chemicals used in the process of photo-etching thin film for microelectronic, RF, wireless and semiconductor applications, chemical milling micro-components, and other reliability-sensitive applications.

UEI's customer list includes some of the leading international semiconductor, wireless and electronics firms. UEI’s products are batch-controlled and are shipped in sizes to meet customer requirements worldwide. All packages are UN-approved and certified.

Contact Information
Union Etchants International
Bob Union / Judi Bednarz
(781) 935-8878
Bob Union, President

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