Electronics Forum | Tue Dec 14 11:05:43 EST 2010 | baildl632
We just received a Paragon 150 oven for production. We hadn't used it a week and we're getting "Top Blower Fail " alarm. I have checked all the top blower fans and they all are running. Can someone help as to why we're in alarm yet all the blowers ar
Electronics Forum | Mon Jan 24 06:19:04 EST 2011 | fönsi
Hello! I've had the same problem about one Jear ago. We had exessive building of voids in the solder joints. I recomment to take a pincer to break off some of the components. If the solder joint is good, the copper pad will stay at the solder joint
Electronics Forum | Sun Jan 16 01:50:39 EST 2011 | leo83
Dear All, I am looking for a guide /book on PCB assembly using SMT(Middle range, not high speed) which i could use for selection of Machines. If their is any research report , i am ready to pay for it. Highly appreciate any inputs. Eg: What shoul
Electronics Forum | Thu Mar 17 10:06:09 EDT 2011 | dyoungquist
Strange indeed. We use a Q18 and have never seen this. Is it sweating inside the thermal barrier case, i.e. you put it in the case dry and it is wet when you take it out of the case? Maybe its actually coming from the inside of your thermal barrie
Electronics Forum | Thu Mar 17 11:15:26 EDT 2011 | circleprime
I did some investigating and it seemed that getting a reflow oven with an inert atmosphere could be the answer to the inconsistant wetting issues that we are having with a leadfree DFN-10 on one of our products. Here's my question(s). It seems that
Electronics Forum | Sun Mar 20 12:58:23 EDT 2011 | sellenzz
We have a Nitrogen Silo. Your going to want to be careful if you decide to use nitrogen, not only are the levels unstable most of the time but it can also cause your components to tombstone like crazy, especially if you run a lot of LED's. We run 24/
Electronics Forum | Fri Mar 25 10:50:01 EDT 2011 | grahamcooper22
3 deg / sec) then the flux can slump from the paste and solder is carried with it off the pad and will form balls. Finally, are your pcbs dry ? Pass a bare one through the reflow oven before you print any paste on it, let it cool and then process as
Electronics Forum | Tue Mar 22 11:20:56 EDT 2011 | jercole
NEED HELP!!! I am getting solder splatters on my panels. We produce 100's of different kinds of product and this is the only one that is leaving solder splatters all over the masking. It is however the first time we have used 40 pin QFN's. I don't th
Electronics Forum | Fri Apr 01 03:02:59 EDT 2011 | grahamcooper22
starting point with zone settings would be, 100 / 160 / 200 / 225 / 260 deg C...but you'll have to check the exact profile on the pcb with a reflow profiler....making sure you meet the paste spec and making sure you don't heat any devices up to quic
Electronics Forum | Tue Apr 05 15:32:49 EDT 2011 | grahamcooper22
It is one of our pastes...Almit LFM48 W TM-HP, a high reliability no clean solder paste based on SAC305 with a size 4 powder. It's a paste that works so well we have thousands of users of it worldwide. Why are you using SN100C alloy paste ? I imagin
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