Electronics Forum | Sat Oct 18 20:35:25 EDT 2008 | arosario
I see, maybe changing my peak temp in reflow will help. I'll try do eval again... Actually, once I did have evaluated a longer pre-heat but on my previous eval, I didn't change the peak temp. Maybe reflow can help compensate to my problem in the part
Electronics Forum | Mon Dec 22 19:43:43 EST 2003 | Dean
I have seen this affect on Immersion Tin and OSP. 70 to 90 % of the solder wicks to the lead and forms a "single" homogenous solder mass. This even though the pad was 100 % covered with paste... Evaluated different solder paste...did find variatio
Electronics Forum | Wed May 08 23:18:58 EDT 2002 | ianchan
Hi mates, have this SMT production issue : A) We have a leadless-chip-carrier(LCC) IC package that is classified under the Land-Grid-Array(LGA) package family. B) The LCC is 4mm x 4mm, and has 28 tin plated pads located beneath the outside perimet
Electronics Forum | Fri Mar 23 10:00:38 EDT 2012 | isd_jwendell
I am a big fan of AIM SnPb solder paste. I currently use NC257-2 (no-clean, 89.5%), and recommend you include it in your evaluations.
Electronics Forum | Wed Jun 05 15:22:48 EDT 2013 | davef
Solders, Fluxes and Pastes - A Lab Report This webcast consists of 10 individual program segments focused on the important topic of electronics solders, solder pastes and fluxes. Program Segments Include: * Can You Mix Leaded and Lead-free? * Probl
Electronics Forum | Fri Jun 08 05:44:49 EDT 2001 | ianchan
Hi Dave F, thanks for the reply, what I did was evaluate, the ASC International, 3D solder paste VOLUME m/c, thru a local s'pore vendor, and this sales-guy is pulling a rip-off, coz his knowledge of the m/c seems inconsistent. I had sent ASC a emai
Electronics Forum | Fri Sep 24 10:57:18 EDT 1999 | Earl Moon
| Hi Folks: | | We've been having bridging problems on our fine-pitch QFP's, despite thorough inspection of paste height, volume, and placement accuracies....profiles look good also. | | The bridging is happening after coming out of reflow...one la
Electronics Forum | Mon Aug 30 16:10:10 EDT 1999 | Dave F
| I have looked through the IPC web page and surfed to frustration. Can somebody give me a lead? | Brian: We don't use an etched board. We use a special stencil, described below and print on bare copper laminate. 3 Solder Wetting Test. Recogniz
Electronics Forum | Wed Nov 17 11:20:23 EST 1999 | Dave F
Hey Gyver: If you don�t mind (which you don�t have any choice about, because I�m going to do it anyhow, cause it�s MY word processor), I�m going to respond genericly, but still be directed to your question. Much of the following is paraphrased from
Electronics Forum | Tue Mar 25 02:58:24 EDT 2014 | molder
ok.. thanks you so much.. I will buy new dispenser siringe, and I try to rework... I have a questions on desolder and solder a socket 1366 intel on motherboard. I have a rework station Honton hot air and tornado infrared, but i don't know a temperatu
