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
Electronics Forum | Thu Apr 08 04:52:24 EDT 2004 | Dougie
We are concerned about the issues you mentioned and more, however we have no option but to change over due to legislation. A high percentage of our market share is in Europe and Japan, who of course have already embraced the no-lead change. We simply
Electronics Forum | Fri Aug 11 22:14:59 EDT 2017 | dawson
Hi Adonys, What's ICP 1-3? Do you mean IPC? 1. Excess Plating- no excess, but filled with something which generated in the process of copper plating. 2. Dark Vias - it's oxidized. and the solder mask printing is not aligned. The board is failed. M
Electronics Forum | Thu Dec 14 10:14:04 EST 2000 | PeteB
Jacqueline, Asuming you mean immersion silver: Advantages - Very flat finish compared to HASL, more easily solderable than bare copper with OSP and more process tolerant than this in our experience, reasonable shelf life, cheaper than immersion gol
Electronics Forum | Wed Dec 13 20:30:59 EST 2000 | Dave F
Immersion Silver PCB Surface Plating - Dennis VanBuren 14:21:24 02/01/2000 [Wudja mean "not much luck" searching the archives? What is this haggis???][Is that like saying "what is this chopped liver??"]
Electronics Forum | Wed Aug 30 08:20:40 EDT 2006 | Bob R.
Are there any standard qualification/acceptance requirements for immersion tin board finish? J-STD-003 calls out temp/humidity preconditioning followed by solderability testing which is similar to what we have in our (ancient) internal documents. O
Electronics Forum | Wed Jun 21 08:55:39 EDT 2006 | yme111
Hi, Thanks for this reply. Our problem is that our customer complained that the pcb that we sent them is not Immersion silver though the actual appearance of the pad is silver. They claim that it is only silver and not Immersion silver. We asked our
Electronics Forum | Tue Apr 20 17:19:38 EDT 2004 | Mike
1. Which manufacturers have proven the immersion silver is reliable after solder joint assembly? 2. Who has published guidelines for storing and handling immersion silver boards? 3. Is the immersion silver finish wire bondable? epoxy bondable? or j
Electronics Forum | Wed Apr 29 05:25:11 EDT 2015 | anirudh_thabjul
thankyou for you answer dude. As you mentioned in your answer that immersion tin finishing gonna cause many problems. So, immersion Tin option is ruled out for my purpose. So, immersion Silver is the option left for my purpose But, I have checked f
Electronics Forum | Thu May 27 06:47:45 EDT 2004 | Bryan Sherh
Hello All, I 'd like to have some stuffs about immersion Silver to study with.Can anybody provide some information or some articles about Immersion silver? Thanks a lot. Bryan
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