Electronics Forum | Fri Nov 24 01:12:28 EST 2000 | SARRY
Hello! All I am an almost smt biginner. I have a few questions My question is 1. what will be changed to use lead free solder paste in a smt production line? 2. what is the reflow profile for lead free solder paste? Don't just tell me to search th
Electronics Forum | Wed Jul 13 14:50:29 EDT 2005 | rameshn
Dear Sir, We are manufacturing Computer Motherboards & Networking products (which are having 2 to 3 BGA Chips onboard) in our plant. we are having 2 nos of HELLER 1800W model Reflow Ovens. this model reflow oven is having 9 heating zones at both top
Electronics Forum | Mon Jul 18 01:47:29 EDT 2005 | Cal
I would suggest 1) Use the profile that is suggested with the BGA types you are using or 2) Have you solder paste rep visit for a half day and help profile your machine. Remember if they want to keep you as a paste customer they will help. Enjoy,
Electronics Forum | Mon Jul 18 02:47:27 EDT 2005 | grantp
Hi, It sounds like your a little new at profiling, and can be difficult to do well. We purchased a KIC profiler that has software that will take your profile data and tell you the best oven temperature settings and conveyer speed to use. You need
Electronics Forum | Fri Nov 10 09:21:20 EST 2006 | Steve
I had a PDR Lightmaster Pro at the last place I worked at, and I thought it was the best rework station I've ever used. Not only because of the fact that no nozzles were needed, but the heat delivery from the focused IR light was superb. I don't know
Electronics Forum | Mon Jan 31 16:59:22 EST 2005 | frankracine
Hi Jay, Concerning you PCB, what TG do you expect to use for your lead free process? On my side I have a problem. I order PCB from Canada and from China. My PCB vendor in china is producing a lot of OSP and ENIG PCB, no HASL lead free and in Cana
Electronics Forum | Thu Jan 26 12:46:53 EST 2017 | dyoungquist
We run double sided boards that have large SMT electrolytic caps on the top side using the same profile for both sides. The trick is to do the bottom side first, then the top side. That way you do not need to glue down the large caps.
Electronics Forum | Thu Jan 20 19:00:11 EST 2005 | russ
Thanks for the info! I have found that we see similar if not the same results. It appears that lead free processing through SMT is NO BIG DEAL. You will find that other paste Mfgrs seem to have the same performance as what you experienced.
Electronics Forum | Thu Apr 17 12:27:56 EDT 2008 | samir
Sr. Tech: Here is a decent article by Phil Zarrow: http://smt.pennnet.com/Articles/Article_Display.cfm?Section=Archives⊂section=Display&ARTICLE_ID=80850
Electronics Forum | Sat May 08 07:50:24 EDT 2004 | snehal acharya
pls can any body throw some light on the reflow profiling? what r the basic requirements of thermal profiling? how we can achive better profiling? what is the need of doing profiling? what precaution should one take while doing profiling? profile is
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