Electronics Forum | Mon May 12 15:13:29 EDT 2014 | emeto
Thank you guys. As we are speaking I keep examine the problem and here is what I got so far. 1. I measured the temperatures on my profile and the lead is hotter than the board. The lead goes 12 seconds earlier than the pad and is taking the solder.
Industry News | 2003-05-29 08:30:31.0
Losses halved in the first half year � New organization of electronics group next on the agenda
Industry News | 2019-10-30 18:25:26.0
Robert Cooke, NASA aerospace engineer and electronics industry subject matter expert, will deliver a technical education workshop, “The Evolution of IPC’s Cable & Wire Harness Documents: IPC-D-620, IPC/WHMA-A-620 and IPC-HDBK-620 at the WHMA 27th Annual Wire Harness Conference, February 18, 2020, in Las Vegas, Nevada.
Technical Library | 2023-06-14 01:09:26.0
In the electronic packaging industry, it is important to be able to make accurate predictions of board level solder joint reliability during thermal cycling exposures. The Anand viscoelastic constitutive model is often used to represent the material behavior of the solder in finite element simulations. This model is defined using nine material parameters, and the reliability prediction results are often highly sensitive to the Anand parameters. In this work, an investigation on the Anand constitutive model and its application to SAC solders of various Ag contents (i.e. SACN05, with N = 1, 2, 3, 4) has been performed. For each alloy, both water quenched (WQ) and reflowed (RF) solidification profiles were utilized to establish two unique specimen microstructures, and the same reflow profile was used for all four of the SAC alloys so that the results could be compared and the effects of Ag content could be studied systematically.
SMT Express, Volume 2, Issue No. 9 - from SMTnet.com Volume 2, Issue No. 9 Thursday, September 14, 2000 Featured Article Return to Front Page Reflow Profiling The Benefits of Implementing a Ramp-to-Spike Profile by David Suraski /AIM
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Surface Mount Technology Association (SMTA) | https://www.smta.org/education/presentations/presentations.cfm
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