Electronics Forum | Sat Sep 18 04:42:52 EDT 1999 | Brian
Dave, I'll respond by paragraph: | | | Brian: | | I like Ag2 also. I prefer it over both 63/37 and 60/40, if the price is not a factor. Yes, gold rips through eutectic and near-eutectic solders like habanero slathered shiitake burritos through
Electronics Forum | Tue Jun 08 08:27:14 EDT 2004 | michaeljm
I would like to see the report from MacDermid. We have samples of ag boards in which the underside of PCB pad has been plated between the PCB laminate and pad.
Electronics Forum | Fri Jan 21 13:29:35 EST 2005 | vinod
Hi Friends, I had a PCB with polymide material with nickle tin plating on it. I had real hard time to do hand solder. I am asking help if any one have any experience with polymide material.
Electronics Forum | Mon Dec 14 13:20:56 EST 2009 | stepheniii
Xrays go through aluminum quite well. I've xrayed BGAs with heat sinks that were well over an inch tall and they only made faint shadows. What material is the bottom of the PCB? And how are you going to bond to it?
Electronics Forum | Thu Oct 17 05:16:44 EDT 2013 | vincentdesilva2003
Anyone can help me how many percentage of blowholes and pinholes if i do the followings: 1. Increase copper plating thickness more than 25 microns. 2. Pre Baking of PCB to remove gassing by drying out the PCB's
Electronics Forum | Wed Nov 21 05:57:30 EST 2018 | premkumar_haribabu
Hi Robl, Thanks for your qucik reply!! , i understand if we use aggresive flux that we can impove solder wetting over nickel plate vs PCB pads & we need to solder through 12 zones reflow oven. Prem
Electronics Forum | Wed Jun 17 15:20:18 EDT 2020 | rsatmech
Thank you for your valuable inputs. Current two SMT line is running and I have initiated to use two different pcb suppliers in each line. Do I need to check the plating details in issue pcba or random pcb. Kindly suggest.
Electronics Forum | Fri Apr 07 11:52:44 EDT 2000 | Ashok Dhawan
Can anyone suggest a cleaning solvent for removing silicon residue after K Tape has gone through 2 cycles of reflow soldering ? The solvent or cleaning method has to be compliant to IPC Standards - to be used for cleaning gold edge fingers - PCB asse
Electronics Forum | Thu Nov 01 03:10:07 EST 2001 | Brian Sloth Bentzen
Will the gold from some Ni/Au surfaces make the solder joints appear dull and a slightly rugged on the surface ? Does anyone have any experience with this ? Thanks !
Electronics Forum | Fri Sep 27 10:05:07 EDT 2002 | oconnorp
I spec COB using wire bond attach - 0.75um � 0.25 Gold over 5um � 3 Nickle.
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