Electronics Forum: soldering silver poaste (Page 1 of 53)

imm. silver

Electronics Forum | Thu Aug 29 20:02:58 EDT 2002 | davef

Often assemblers leave areas unsoldered for future component additions, modifications, and test points. On imm silver boards, these unsoldered areas become a real bear to solder/test later in life. One way to avoid that problem is deposit some solder

imm. silver

Electronics Forum | Fri Aug 30 16:25:21 EDT 2002 | davef

Imm silver holds-up to multiple thermal cycles very well. The things, we guess, are happening to make imm silver tough to solder after heating and sitting are: * Oxidation of the silver. * Reduction of the co-deposited organic anti-tarnish [used in

imm. silver

Electronics Forum | Fri Aug 30 04:44:31 EDT 2002 | jason

Hi Dave, Why does it become " a bear" if u leave it unsoldered ?? Does it oxidise or something ?? Question (1): Does Ag imm. PCB need to use Solder paste with AG ?? If yes, why. Question (2): Does Ag imm pcb have poorer surface finishes than HAS

Solder Paste with/without silver

Electronics Forum | Thu Oct 18 11:20:52 EDT 2001 | furrer

1. Does anyone has seen results for the reliability of Solder Paste containing less than 1% Silver. (It is in use for soldering 0402 components because of Tombstones. 2. Is it common to use eutectic Solder Paste SnPb, without any silver, for regular

silver pads, reflow charateristics??

Electronics Forum | Thu Jan 16 17:54:12 EST 2003 | Ren�

Hi burb , reflow temps are same than other profiles just follow your solder paste recomendations , Will help you a lot a solder paste with Silver , or if you want to eliminate completely the granular looking , use nitrogen with your oven ( You will s

Solder Paste with/without silver

Electronics Forum | Thu Oct 18 18:39:15 EDT 2001 | davef

Responding to your questions ... RELIABILITY OF 1% SILVER SOLDER PASTE: It�s as good as the next solder paste, all other things the same. Look at your back articles by Jennie Hang in SMT magazine. I want to say she wrote an article on the topic i

Palladium silver surface finish

Electronics Forum | Sun Jul 04 19:49:05 EDT 2004 | indy

Hello Everyone, We are having some problem with Palladium-Silver surface finish. We have ceramic components with the above surface finish. When we try to assemble these on Sn/Pb solder, we are observing open joints. If we reflow the compt for more t

2% silver solder paste

Electronics Forum | Tue Apr 13 08:08:33 EDT 1999 | Rob Palson

We process both tin/lead plated boards and gold plated boards in our surface mount group. I have used Sn62/Pb36/Ag2 solder paste on all gold plated boards to help prevent gold scavaging. To reduce the amount of different solder pastes we have to bu

Immersion silver leaching.

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

Immersion silver leaching.

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

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