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Aqueous Cleaning PCB's with Potentiometers

Electronics Forum | Tue Apr 29 13:43:34 EDT 2008 | arminski

THANKS FOR YOUR REPLY GUYS... more background... solder paste is Water Soluble. We mask the potentiometers prior to aqeous washing using solder mask, then our operator brush the solder joints with IPA after the Wash Process...I'm concerned about th

Pb-Free BGA on SnPb Assemblies

Electronics Forum | Fri May 02 08:44:36 EDT 2008 | realchunks

Sure you can. But I don't have the time, money or resourses to do this. I do not have the luxery of only getting SnPb parts. Wish I did, but I don't. As for temp specs, I know the specs on all my parts. We profile our ovens every month. We can

Conformal Coating Discoloration

Electronics Forum | Mon Aug 29 16:21:20 EDT 2011 | rjlasko

Greetings...I have a customer that has an assembly that is conformal coated with Humiseal 1A33. This assembly has some components (resistors and FET's) that heated up during operation and has discolored the conformal coating around their location.

Copper Core MCPCB vs. Aluminum Core MCPCB

Electronics Forum | Wed Jan 10 09:48:13 EST 2018 | mrk

Hi All, Currently we are producing a LED product using an aluminum core MCPCB with surface mount LEDs. In order to achieve better heat dissipation, we are considering transitioning over to a copper core MCPCB. My experience working with copper cor

Re: How to convince management on buying Equipment ? ---For Dave F, Wolfgang, Moonman and the rests!!!

Electronics Forum | Wed Oct 04 14:54:46 EDT 2000 | Sean

I feel Woldgang poses an interesting question. It seems you have already decided that dispensing is the path you wish to take. Yet can you tell us why? Is there a flexibility vs. throughput arguement here? Justification of dispense via the cleani

Re: Mydata placment reliability

Electronics Forum | Tue Jul 07 15:47:22 EDT 1998 | Joe Herz

| Any Comment's about mydata placment reliability (repeatablity) on all types of components. | we have trouble quantifying just how good it is. | Is it as good as Mydata Claim ?? | Please help We have 4 Mydatas running at this time. Non vision par

Re: Mydata placment reliability

Electronics Forum | Tue Jul 07 15:51:08 EDT 1998 | Joe Herz

| | Any Comment's about mydata placment reliability (repeatablity) on all types of components. | | we have trouble quantifying just how good it is. | | Is it as good as Mydata Claim ?? | | Please help | We have 4 Mydatas running at this time. | No

Press-Fit

Electronics Forum | Tue Nov 07 08:09:19 EST 2000 | adam

WE are using press fit connnectors on a range of boards, one of which is posing me a few process questions . The Machine is a fully automatic machine. The problem is intermittent and I can't seem to put a finger on it. An array of connectors ( consi

Re: After PCB CLEANING with acqueous , drying needs?

Electronics Forum | Tue Sep 05 16:04:43 EDT 2000 | Dave F

Pascal: Responding to your questions: 1 Do we have to dry the PCB after cleaning (sic)? Generally, nothing says you have dry the PCB after aqueous cleaning. Along this line, I received several thoughtful responses when I posted a similar thread.

Re: BS

Electronics Forum | Thu Aug 24 16:29:56 EDT 2000 | Earl Moon

You are absurd. If you could answer even one of the questions I posed, I would give you a thimble of respect. I have nothing personal or monetary to gain. I have written more articles and column installments than you have read. I simply want to shar


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