Electronics Forum: ion contamination machine problems (Page 1 of 14)

Re: Ionic contamination

Electronics Forum | Mon Jul 10 21:01:06 EDT 2000 | Dave F

Edmund: Responding to your questions: 1 What is purpose of using DI water to wash a PCBA? Compared to tap water, DI water is less likely to leave: � Metal cations on sensitive components. � Salts of Ca, Mg, and other stuff on metals on the assemb

Conceptronics oven reflow problems

Electronics Forum | Thu Jan 08 16:43:43 EST 2004 | Dean

Unless your machine (internal) thermocouples are each calibrated and compensated no two machines will deliver eactly the same results. Here are your challenges: 1. Data acquisition equipment A-D converter errors 2. PCB measurement thermocouple (t

SN100C wetting problems

Electronics Forum | Fri Jul 13 12:32:14 EDT 2007 | rgduval

We've experienced this issue with SN100. A couple of things we've tried, all with varying levels of success: 1. Longer pre-heats. We use SN100 in a solder pot, and pre-heat the boards on our wave machine. This did have a positive effect, but I ne

Conductive contamination and the elusive solution

Electronics Forum | Mon Jul 16 08:42:14 EDT 2007 | realchunks

Hi Scott, Here is another thought. Check your wave solder machine visually. Does the wave flow on both sides of the nozzle? If not, you may have some dross build-up which may be causing your problem. Generally it will only happen on the very fir

Conductive contamination and the elusive solution

Electronics Forum | Fri Jul 13 11:33:54 EDT 2007 | realchunks

Just starting and already responsible for product quality and machine adjustment? Wow, you poor bastard. Ok, I will assume this problem happens on the bottom side of the board with a thru-hole IC. The short occurs on the side that doesn't have the

Urethane/Acrylic thru same machine

Electronics Forum | Thu Sep 06 15:36:27 EDT 2007 | kpm135

My company recently aquired an asymtek coating machine and I have been using Humiseal 1B31, an acrylic coating, in it to coat all the boards given to me. They have now come to me and asked if it is possible to run Humiseal 1A33, a urethane coating, t

UltraSonic cleaning machine

Electronics Forum | Wed Sep 25 15:58:36 EDT 2002 | bschreiber

Hello Dave, I hope that electronic slap didn�t hurt too much. Robf, I am sorry that you did not agree with my initial response, but the answer is very detailed and most of the support material I have is only in paper format so I need to either snai

Who ever seen the PCB rack (Magazine) cleaning machine ?

Electronics Forum | Thu Mar 30 07:10:56 EDT 2017 | nickywan

I have a problem with some particle, dust and solder paste contaminate on PCB rack and need to clean up once a week by manual. Now looking for the equipment to do Inline cleaning with water jet & Hot air Dry concept. Not too big machine and concept l

Key Points to be considered to buy a Ionic Contamination Tester

Electronics Forum | Tue Oct 27 07:09:37 EDT 2015 | prameel_84

Hi Everyone, I got an approval to buy a Ionic Contamination Tester in my company, hence i require expert advise to proceed further for machine procurement At present I've fixed for Zero-Ion G3 Ionic Contamination of Aqueous Technologies and SMD V T

Corrosion

Electronics Forum | Tue Oct 07 14:23:37 EDT 2003 | Adam

The Omegameter (or Ionograph) detect contamination by measuring the conductivity of the solution used to extract the board. This conductivity number reflects the sum of all of the ionics in the extraction solution. Unfortunately, we can't sort out th

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