Electronics Forum | Sat May 18 10:21:09 EDT 2013 | davef
isd.jww: Comments are: * Current thinking has flux volatiles being the major contributor to voiding, not scavanging by via * I have no reason to think that 0.3mm via won't gladly accept solder. Plug them, if that's a concern. * If your concern is ina
Electronics Forum | Sun May 19 23:38:57 EDT 2013 | shrikant_borkar
We are EMS. Later revisions and Other models are get Modified. Now we have some remain Stock of Pcbs abd there end also. We have taken trial with Reduction in Apparatuses. But even small amount of solder paste at thermal Pad is causing QFN lift up.
Electronics Forum | Tue Aug 20 13:01:48 EDT 2013 | sevenzero
I read through this thread somewhat and checked out the pictures. I've programmed TH lead checks on a newer Yestech and an older Mirtec. I personally use the Yestech white-top/histogram check and the only solder inspection Mirtec has. In my experienc
Electronics Forum | Mon Sep 28 09:23:03 EDT 2015 | slave2anubis
Hi, sorry for reopening a old thread, but i wanted to ask if there is a way to know at what temperature the solder melts if you have a chip with underfill? I thnk its lower then normal air-fill temperature since the underfill conducts heat better the
Electronics Forum | Wed Apr 30 11:28:38 EDT 2014 | nhubble
If you still are considering these PoP opens a possible warpage issue I might be able to help. I work for a company that measures warpage during heating (Akrometrix). I'll try and send you a message with details. I would be curious to hear if this
Electronics Forum | Thu May 19 12:49:14 EDT 2016 | rx8pilot
Tom Nisbet from PPM contacted me on the phone yesterday to help me understand the various feeder options for small parts. Fantastic surprise phone call that was inspired by this thread. I explained my business strategy and financial restrictions an
Electronics Forum | Wed Nov 23 16:24:26 EST 2016 | misterblonde
Hello, I am new to this forum, and was hoping to get some advice/information from those of you that have switched your wave soldering machine to SN100C. I have read some old threads about people having great success with SN100C. My question is- w
Electronics Forum | Thu Jun 08 17:39:28 EDT 2017 | zsoden
SuMoTe, that is a fair suggestion, but I believe will be a non-starter. The solder pump motors are actually 40V motors being run from a PWM 24V supply. I did one time try hooking up to a separate power supply up to 40V but all this seemed to do was m
Electronics Forum | Sun Oct 08 00:02:58 EDT 2017 | sarason
I see this thread has altered a little from the original question to what the Op was actually getting at which is how do you know it is right? Specifically rotation on the board and how that relates to how it came from the feeder or tray. There is a
Electronics Forum | Tue Oct 17 12:12:10 EDT 2017 | dustind19871
I know I have seen several old threads about this screen printer. I was curious if there was anyone out there that had any luck tracking anything down parts or info wise about these printers. I have one and I am trying to source the correct timing b
