Electronics Forum | Tue Jul 27 00:23:41 EDT 2004 | ppwlee
Richard, I am looking for a steam cleaner as part of the cleaning process for WS flux. Can you advise what cleaner (made and manuf) and typical process parameters for cleaning PCAs? Rgds, Peter You could also try using a wire mesh out of stainl
Electronics Forum | Wed Jun 23 13:34:29 EDT 2004 | df_indy
I am four weeks into my new job, there always seems to be some issues here with PCB every week. Today while I was checking some assemblies with micro-scope, I found a lot of tiny bubbles/blisters on the board. They are just little dots if you look
Electronics Forum | Fri Jun 25 08:55:47 EDT 2004 | Vincent
Hi, I am tasked to implement process change in our mfg floor. And one of the big problem that I can see is that to change a company culture where QC dictates the process and inspects every PCB. From what I know QC conducts random Inspection and oper
Electronics Forum | Mon Jul 12 10:14:32 EDT 2004 | tigerlordgm
I am working as part of a team to set up a new automated SMT line, with the idea being to keep it as hands off as possible. As part of this, one member of the team has purchased a used Cyberoptics Sentry 2000, which hasn't arrived yet. Since Cyberopt
Electronics Forum | Thu Jul 22 07:52:37 EDT 2004 | Chris L.
Hi Grant, The purpose for allowing the solder paste to reach room temp before production is to reduce the amount of water absobtion from the air. (e.g. a cold glass of water "sweats" on a humid day)The purpose for mixing is to make the viscosity more
Electronics Forum | Mon Jul 26 06:32:58 EDT 2004 | cyber_wolf
Grant, The only thing that you really gain from refrigeration is a couple more months� shelf life. Refrigeration also seems to slow down flux separation. I am not sure how your paste consumption is, but we use ours up way before the expiration date
Electronics Forum | Tue Aug 10 06:29:49 EDT 2004 | Nippy
Hello, I am in need of some assistance with a problem we are having with soldering some terminals... Basicaly I need to solder thin tabs onto a round metal post (hole through tab) We have been seeing poor quality joints, de-wetting and what looks l
Electronics Forum | Wed Sep 01 05:25:34 EDT 2004 | Martin
Hello, I am looking for some advice please about how to go about plating some brass pins for a new assembly. (which will be hand soldered) I have spoken to a couple of "experts" who seem to contradict themselves.. Firstly what should I be solderin
Electronics Forum | Thu Sep 02 08:19:17 EDT 2004 | Bryan Kerr
One for discussion I think. There appears to be limited options when it comes to the control of moisture sensitive devices through the assembly process, the options being a paperwork based system or the use of RF tracking software. We have some ideas
Electronics Forum | Thu Sep 23 11:56:30 EDT 2004 | rkevin
We are printing on an assembly using SAC305 Alloy Sn96.5 Ag 3 Cu .5 with a no clean flux and getting virtually NO spread with either a ramp to spike or straight ramp profile. We are printing to standard FR4 board with immersion Ag finish. I am trying
