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PROCESS SCIENCES, INC. (PSI) Visit our main Ion Chromatography page for more information. Ion Chromatography analysis (IC) is an essential tool for both failure analysis and process validation. PSI uses IC to investigate surface contamination and m
Electronics Forum | Wed Nov 28 02:43:00 EST 2007 | philip_yam
Hi all, For leadfree HASL finish, is there any specification or guidelines for contamination level, esp Cu% to refer? How can we ensure the HASL finish composition is reliable for assembly? Thanks..
Electronics Forum | Wed Nov 28 22:33:24 EST 2007 | davef
There is no specification for lead-free HASL. You can use any lead-free solderability protection that meets your customer requirements. Use IPC-9701 �Performance Test Methods and Qualification Requirements for Surface Mount Solder Attachments� to ass
Industry News | 2001-01-23 10:52:31.0
IPC has honored 27 members at IPC SMEMA Council's Electronic Assembly Process Exhibition and Conference (APEXSM) in San Diego, CA for their contributions to IPC and the electronics industry.
Industry News | 2012-02-03 13:29:38.0
Practical Components will feature its new Amkor PoP stacked packages, including the new TMV PoP, along with its full line of dummy component packages in Booth #538 at the upcoming IPC APEX Expo.
Technical Library | 2022-12-19 18:59:51.0
Material and Process Characterization studies can be used to quantify the harmful effects that might arise from solder flux and other process residues left on external surfaces after soldering. Residues present on an electronic assembly can cause unwanted electrochemical reactions leading to intermittent performance and total failure. Components with terminations that extend underneath the package can trap flux residue. These bottom terminated components are flush with the bottom of the device and can have small solderable terminations located along the perimeter sides of the package. The clearance between power and ground render high electrical forces, which can propagate electrochemical interactions when exposed to atmospheric moisture (harsh environments). The purpose of this research is to predict and understand the functional performance of residues present under single row QFN component packages. The objective of the research study is to develop and collect a set of guidelines for understanding the relationship between ionic contamination and electrical performance of a BTC component when exposed to atmospheric moisture and the trade-offs between electrical, ionic contamination levels, and cleanliness. Utilizing the knowledge gained from undertaking the testing of QFN components and associated DOE, the team will establish a reference Test Suite and Test Spec for cleanliness.
ACI Technologies Inc. (ACI) is a scientific research corporation dedicated to the advancement of electronics manufacturing processes and materials for The Department of Defense and industry. This video provides an overview of our commercial service
Events Calendar | Wed Apr 21 00:00:00 EDT 2021 - Wed Apr 21 00:00:00 EDT 2021 | ,
Oregon Chapter Tutorial: How Clean is Clean and How Do You Know for Sure?
SMTnet Express, April 29, 2021, Subscribers: 27,195, Companies: 11,344, Users: 26,617 Failure Analysis – Using Ion Chromatography And Ion Chromatography/Mass Spec (IC/MS) Since the 1980s the electronics industry has utilized ion
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/06/Optimizing-Reflowed-Solder-TIM-sTIMs-Processes-for-Emerging-Heterogeneous.pdf
percentage, with the technology drivers already discussed for advanced nodes. IV. IMPORTANCE OF SURFACES Oxides and surface contamination prevent good wetting of molten solder onto solderable surfaces [8] and hence are associated with voids. The metal surfaces
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Charette Surface Mount Process Engineer Digital Products Supervisor Bristol Babcock "Thanks again for your support. As a low volume aerospace EMS provider DBM has found the Unisoft software invaluable in getting QUALITY documentation and placement data to
The SMTA membership is a network of professionals who build skills, share practical experience and develop solutions in electronic assembly technologies and related business operations.
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