Electronics Forum | Wed Apr 13 07:10:17 EDT 2005 | masters
In addition,how to deal with the misprint immersion Ag PCB?Now,we just remove the paste,clean it,and exposed in air for 2 hours,and then put to use.
Electronics Forum | Wed Apr 07 08:28:41 EDT 2004 | Dougie
Hi, We are Scottish manufacturing company considering a move to Immersion Silver finished PWB's from HASL. The driver behind it being the RoHS and WEEE legislation in Europe at present. My question is... We plan on using a Sn/Cu/Ni solder bar in o
Electronics Forum | Wed Apr 07 08:30:22 EDT 2004 | Dougie
Hi, We are Scottish manufacturing company considering a move to Immersion Silver finished PWB's from HASL. The driver behind it being the RoHS and WEEE legislation in Europe at present. My question is... We plan on using a Sn/Cu/Ni solder bar in o
Electronics Forum | Thu Apr 14 06:00:01 EDT 2005 | bryan
The shelf life of immersion silver is 6 to 12 months in good storage conditions. The finish is usually coated with a protective layer that inhibits oxidation (like with copper OSP). Care must be taken when handling the boards as the protective la
Electronics Forum | Fri Aug 11 14:29:58 EDT 2017 | abruno1995
I am having issues with this. I am having excess plating on my pcb board and i want to know if this is a ICP Class 1-3 Issue. 1. Excess Plating 2. Dark Vias Thank you
Electronics Forum | Fri Apr 09 20:28:14 EDT 2004 | Ken
I have experience in this. My company offers Lead free SMT and Wave soldering. I have processed ImSn, ImAg, Enig, OSP in both smt and wave. Yes, silver leaching will occur. Yes, copper leaching will occur. High tin content solders disolve everyt
Electronics Forum | Tue Apr 13 07:48:00 EDT 2004 | Dougie
Hi Ken, Our product is consumer, although our product is sold on it's reliability. We run a low volume high mix throughput. Any ideas on timescale for the Ag leaching? Sounds like it could be a safer bet to use Imm Sn boards with the Sn/Cu/Ni bar w
Electronics Forum | Tue Apr 19 11:54:36 EDT 2005 | masters
The email address was stripped from this post, a user complained about receiving a virus or some malicious code from the suspected address. Knowingly sending viral code is against the law. Posting personal information to circumvent SMTNet is again
Electronics Forum | Thu Aug 31 02:10:42 EDT 2017 | hxamalia
Hello ALL Good day , it is Amalia from HX Circuit Technology Co.,Ltd in China, we are a prefessional PCB factory with many years. We are focusing on quick lead time for PCB with good service . please contact with me now ,thanks Email: amalia@hx-c
Electronics Forum | Wed Apr 07 09:23:20 EDT 2004 | davef
In addition to your concerns about leaching, why aren't you concerned about: * Tin whiskers * Total absence of in use reliability information about no-lead, especially given that creep is significantly different between SnPb and no-leads. While they
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