Electronics Forum | Sat Dec 30 04:23:50 EST 2023 | 012band
I have used LTS (Sn57.6%Bi0.4%Ag) solder balls for soldering on Ni/Au pads, and I have observed a wrinkle pattern on the ball surface. When you attempted soldering on CuOSP substrate pads under the same conditions, the surface appeared normal. Additi
Electronics Forum | Wed Nov 21 19:45:36 EST 2001 | Yngwie
Hi Guys, I need help. I�ve a trouble with non-wetting problem on the lead of 208 pin, 20 mils pitch QFP. We are on intrusive reflow. I never faced this problem before on this product after running them for about 2 years now. This occurred on one pa
Industry News | 2008-05-23 18:09:23.0
LOS ALAMITOS, CA � May 20, 2008 � Practical Components Inc., the leading supplier of dummy components, announces the availability of a dummy version of the Amkor� middle stacked package that makes a Triple Stack PoP package (PSvfBGA).
Industry News | 2011-01-05 17:46:58.0
Practical Components Inc. announced the availability of daisy chain samples of Amkor Technology, Inc.’s TMV® PoP (Package on Package) solution.
Surface Mount Technology Association (SMTA) | https://www.smta.org/icsr/speaker_forms/Paper-Format-Requirements.doc
experiments in this study were performed on an OSP finished board. Finishes such as OSP which do not have a nickel later represent the worst case scenario with respect to Cu dissolution. An OEM server product was used as the test vehicle throughout this study
| http://etasmt.com/cc?ID=te_news_industry,3561&url=_print
. Pb also acts as a solvent metal that facilitates the formation of intermetallic bonds between the joint constituents, e.g., Sn and Cu (from the leadframe of the device package
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