Electronics Forum | Thu May 07 08:11:58 EDT 2009 | davef
We don't have a good answer for you, but we do have several thoughts on the issue: * First, tin in your solder or solderability protection is going to diffuse into the copper trace or pad on the board naturally. You can stop that by using a protectiv
Electronics Forum | Sun Jan 19 10:25:54 EST 2003 | davef
You shouldn't freak. You want the pads on both sides of the BGA ball the same so that the torgue from changes in dimension due to different CTE [ie, interposer, solder, bare board, etc.] is balanced on the top and the bottom of the ball. So, the ma
Industry News | 2003-08-27 10:58:00.0
Lead free solders and embedded passives headline professional development schedule at the 2003 IPC Annual Meeting
SMTnet Express, August 17, 2017, Subscribers: 30,720, Companies: 10,649, Users: 23,665 The Effect of Vacuum Reflow Processing On Solder Joint Voiding And Thermal Fatigue Reliability Richard Coyle, Richard Popowich, Charmaine Johnson - Nokia Bell
Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/proceedings_abstract.cfm?PROC_ID=5218
: SMTA International Abstract: The Pb-free solder joint attachment reliability of two Quad Flat No-Lead (QFN) packages with different body sizes and die to package ratios (DPR
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/Vacuum-Void-Reduction-Reflow.pdf
, “Variations in Thermal Cycling Response of Pb-free Solder Due to Isothermal Preconditioning,” Proceedings of SMTAI 2011, 641-654, Fort Worth, TX, October 2011. [8] Werner Engelmaier, “Surface Mount Solder Joint Long- Term Reliability: Design, Testing
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