Electronics Forum: soldering and silver and solder and paste (Page 1 of 32)

RoHS solders and silver termination inks

Electronics Forum | Tue Aug 30 12:49:59 EDT 2005 | Ted

Slaine, We use a Pd/Ag thickfilm paste. Because of the leaching we had to start using solder pastes that have silver in it. For RoHS, we are using a solder paste with an alloy of Sn95/Ag05. We also have to double print the thickfilm pastes. I h

RoHS solders and silver termination inks

Electronics Forum | Tue Aug 30 09:24:08 EDT 2005 | Slaine

we manufacture a range of ceramic parts that have silver termination,there is already a small leaching problem (absorption of the termination by the solder in liquid form)with Sn62 that we live with, having to implement unleaded solder they are norma

solder paste ingredients and their effects

Electronics Forum | Fri Feb 09 02:30:50 EST 2007 | Muhammad Haris

What are Resins, Solvents, Activators, and Thickening Agents in Solder Paste and what are their helpful and harmful effects? AND What are the purposes/properties and effects of Sn(Tin), Pb(Lead), Ag(Silver), Bi(Bismuth), In(Indium), Cu(Copper), Ni(

wave soldering and solder bridge

Electronics Forum | Mon Dec 17 15:41:15 EST 2007 | shrek

Ha-ha-ha-ha-ha,me lad. Wave solder is like an onion, it's got many many layers. Kind of like me-self. I'm a big ogre with many complex layers. At any rate i like the other colleague with his adverstising trigger finger. by golly, me chap, he's a

paste Sn42/Bi58 and Lead Finish

Electronics Forum | Wed Nov 07 21:36:17 EST 2012 | davef

Multiple process and rework thermal cycles are brutal on boards and components. Improving reliability of products through reducing thermal stress ends-up being a major driver to the interest in lower MP LF solders. Binary LF solders require the addit

paste Sn42/Bi58 and Lead Finish

Electronics Forum | Fri Nov 02 14:46:18 EDT 2012 | ericrr

So how does this (lead free paste Sn42/Bi58) solder compare with the Sn-Ag-Cu (Tin-Silver-Copper) combination which does not flow as well (in the oven), needs higher oven temperature, (that can be adjusted by reducing the oven chain speed) and cost m

paste Sn42/Bi58 and Lead Finish

Electronics Forum | Sat Nov 03 10:57:27 EDT 2012 | davef

EricR: Regarding "*** By the way, since we have used the Tin-Silver-Copper lead free solder there has been a strange liquid type chemical leek from the oven exhausted pipes." ... I don't know anything about your process, but the first thing I'd inve

Differences between solder paste alloy SAC305 and SAC405.

Electronics Forum | Tue Oct 05 12:46:02 EDT 2021 | emeto

From what I understand SAC305 and SAC405 are considered low silver content and have the better overall mechanical qualities compared to more silver or no silver.

Differences between solder paste alloy SAC305 and SAC405.

Electronics Forum | Wed Sep 29 19:47:44 EDT 2021 | emeto

"For the lead free soldering of electronic assemblies, the inclusion of silver in the alloy results in better wetting compared to non-silver containing alloys and also allows for a broader process window. Silver also improves joint reliab

Evalution on solder paste and spray flux

Electronics Forum | Wed Jan 26 20:52:06 EST 2005 | Chua

Hi, I'm going to evalute new solder paste and flux for wave-solder. Appreciate you could advise what are the things need to look out during the evalution. Any recommend step or proper way of doing solder paste and flux evalution. Appreciate your he

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