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QFN PCB Pad no Drain Hole

Electronics Forum | Fri May 17 16:15:50 EDT 2013 | markhoch

Wait.... No drain hole? Well then how are you supposed to get all that pesky solder to pull down off the part??? Have I been doing this wrong for the last 20 years??

no clean flux + wave soldering issue

Electronics Forum | Tue Sep 02 14:59:41 EDT 2008 | hermes

if two boards with different solder masks give different results on flux residue level after soldering with the exact same machine settings than it is clear that one of the solder masks is not compatible with your no-clean flux. could be the solder m

Re: water soluable or no clean flux?

Electronics Forum | Mon Sep 20 14:46:03 EDT 1999 | Dave F

| Hi all, | | We have a little discussion here about the suitable flux for a certain process, as all of us are beginners we need your advice. | | We are producing VGA cards and mother boards for PC's all components to be wave soldered are TH, the S

Re: water soluable or no clean flux?

Electronics Forum | Mon Sep 20 17:20:08 EDT 1999 | Earl Moon

| | Hi all, | | | | We have a little discussion here about the suitable flux for a certain process, as all of us are beginners we need your advice. | | | | We are producing VGA cards and mother boards for PC's all components to be wave soldered are

Re: water soluable or no clean flux?

Electronics Forum | Mon Sep 20 17:36:46 EDT 1999 | Dave F

| | | Hi all, | | | | | | We have a little discussion here about the suitable flux for a certain process, as all of us are beginners we need your advice. | | | | | | We are producing VGA cards and mother boards for PC's all components to be wave so

Re: water soluable or no clean flux?

Electronics Forum | Tue Sep 21 07:47:31 EDT 1999 | Wolfgang Busko

| | Hi all, | | | | We have a little discussion here about the suitable flux for a certain process, as all of us are beginners we need your advice. | | | | We are producing VGA cards and mother boards for PC's all components to be wave soldered are

no clean flux + wave soldering issue

Electronics Forum | Fri Aug 29 14:57:24 EDT 2008 | wavemasterlarry

What, Listen. Everyone know wave solders catch fire from time to time. I've only been a part of these fires a coupel times. Less than the number of fingers on my hands, so I don't think it's any different then anyone elses. Plus I havn't pulled o

Re: "No sale no service" accepted?

Electronics Forum | Fri Apr 24 01:25:57 EDT 1998 | Mike C

| I wonder if the attitude of some manufacturers gets acceptance from their customers. Some say, if they did not earn selling a machine then they also don't want to service it. | Does this affect users? Do you rather choose other manufacturers if you

Re: "No sale no service" accepted?

Electronics Forum | Fri Apr 24 10:00:14 EDT 1998 | Steve Gregory

| I wonder if the attitude of some manufacturers gets acceptance from their customers. Some say, if they did not earn selling a machine then they also don't want to service it. | Does this affect users? Do you rather choose other manufacturers if you

Re: "No sale no service" accepted?

Electronics Forum | Sun Apr 26 17:23:23 EDT 1998 | Wayne Bracy

Steve: Lets face it "there are no Free Meals:, but all of the OEM manufacturer's that I work with go the extra mile to satisfy the customers needs. This includes added attention to detail prior to the sale, good quality installations and training, a


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