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BTU International to Present Free Vacuum Reflow Workshop at ACI

Oct 03, 2019

BTU International, Inc. will host a Vacuum Reflow Workshop on November 5, 2019, at ACI Technologies in Philadelphia, PA. The one-day workshop will take place from 10 a.m. - 6 p.m. and will feature a live demonstration with X-ray analysis. 

Fred Dimock, manager of process technology for BTU International, will present “Operation of a Vacuum Reflow Oven with Void Reduction Data.” The presentation will provide an overview of the vacuum reflow process and explain the reason vacuum reflow is of interest to the electronic assembly industry. Additionally, Dimock will present a report on data from a vacuum reflow void reduction experiment completed at the Universal Instruments Process Laboratory.

The presentation will be followed by a live demonstration of a BTU Pyramax™ Vacuum Reflow Oven. An X-ray comparison of thermal pads on surface mount boards from the vacuum process and a standard non-vacuum process will be shown.

Dimock has taught numerous SMTA solder reflow classes and has participated in the 5-45 subcommittee for the development of IPC-7801 Reflow Oven Process Control Standard. He wrote the chapter on solder reflow for the ‘Handbook of Electronic Assembly’ and “A Guide to SMTA Certification’ by Dr. Lasky and Jim Hall. Dimock holds an associate degree in Mechanical Design from Wentworth in Boston and a bachelor’s degree in Ceramic Engineering from the State University of New York at Alfred (SUNY).

To register for the workshop, contact Mike Prestoy at 610-362-1200, ext. 241 or email

For more information about BTU International, visit

BTU International, a wholly-owned subsidiary of Amtech Group (Nasdaq: ASYS), is a global supplier and technology leader of advanced thermal processing equipment in the electronics manufacturing market. BTU’s high-performance reflow ovens are used in the production of SMT printed circuit board assemblies and in semiconductor packaging processes. BTU also specializes in precision controlled, high-temperature belt furnaces for a wide range of custom applications, such as brazing, direct bond copper (DBC), diffusion, sintering and advanced solar cell processing. BTU has operations in North Billerica, Massachusetts, and Shanghai, China, with direct sales and service in the U.S.A., Asia and Europe. Information about BTU International is available at

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