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The SMTA Capital Chapter is inviting the industry to its upcoming Capital Expo and Tech Forum, which will be held at Johns Hopkins University/Applied Physics Lab, Kossiakoff Center, 11100 Johns Hopkins Road, Laurel, Maryland, on August 24.
During this year's expo, the Capital Chapter will host technical presentations by ITM Consulting, Summit Interconnect, and GVD Corp. Specific topics include "The 'Deadly Sins' of SMT Assembly," "Density, Advanced Materials and Cost Drivers Associated with Advanced Circuit Design, Fabrication and Assembly," and, "Reliability without Hermeticity: Commercial Vapor Deposited Coatings for High-Frequency RF Micro-Electronics."
Registration opens at 8 am and includes a complimentary lunch on the show floor. Exhibits are open from 9-3 pm and the first technical presentation will start at 9:30 am.
To register online to attend or exhibit, please click here.
Real Time with...SMTAI
This year’s SMTA International Conference and Exposition went virtual! Pete Starkey explains how the SMTA team did a fine job in difficult circumstances to present an interactive show and technical conference. Here, he highlights four of the papers that particularly caught his interest.
Jon Bengston and Richard DePoto, Uyemura International USA
Electroless nickel immersion gold (ENIG) is now a well-regarded finish used to enhance and preserve the solderability of copper circuits. Electroless palladium immersion gold (EPIG), meanwhile, is a new surface finish also for enhancing and preserving solderability—but with the advantage of eliminating electroless nickel from the deposit layer. This feature has become increasingly important with the increasing use of high-frequency PCB designs whereby nickel’s magnetic properties are detrimental.
Bob Wettermann, BEST Inc.
In cases where water soluble fluxes are being used in the rework process, in cases where the components need to have flux residues washed off, or in cases where the board needs to be cleaned with water for subsequent conformal coating touchup, proper drying and perhaps even bake out procedures need to be performed.