Electronics Forum | Tue Nov 28 21:07:44 EST 2000 | Alvin K
Gold is porous and spots on gold plated PCBs is one of the drawbacks of using gold as a solderability protector. Base Nickel exposure seems to be the cause of this and is aggravated when the gold thickness is less than what it should be. I agree with
Electronics Forum | Tue May 18 17:07:18 EDT 2004 | gabriele
Wave Solder temperature should not cause problem to MSDs. Just in case on PBA there are very critical MSLs (ie. 5 or 5a, 6 (?!?) try to detect what is the max temperature on such MSD bodies and how long they stay under such temperature. But it schoul
Electronics Forum | Wed Jul 02 07:00:56 EDT 2003 | davef
Title : SOLDER JOINT RELIABILITY OF Sn-Ag-Cu BGA COMPONENTS ATTACHED WITH EUTECTIC Pb-Sn SOLDER PASTE Author : Fay Hua et al. Author Company : Intel Corporation Date : 01/01/2003 Source : Journal Of Surface Mount Technology, Volume 16-
Electronics Forum | Mon Jun 18 21:20:17 EDT 2001 | davef
It�s sometimes tough to put enough paste on the board before reflow to obtain half-way adequate hole fill with components on a 0.062 inch thick board. So, a 0.093 incher, um. Yano, a lot is determined by board lay-out and how you jigger your profil
Electronics Forum | Mon Oct 09 21:22:10 EDT 2023 | emeto
You can try expensive wash pallet that protects the part in question, or you can solder with NC solder after all wash is done.
Electronics Forum | Mon Jul 04 09:01:22 EDT 2005 | Rob
Hi, I don't know if it will help but we talked about soldering Nickel on this thread: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=8051&#Message31803 where we used Cobar solder paste for soldering all types of
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