Full Site - : omega meter (Page 5 of 8)

Re: Mil-P-28809

Electronics Forum | Mon Oct 11 12:27:48 EDT 1999 | Mike Demos

Thank you all for your replies. I guess my age in this industry is showing. This military spec. does not appear to be in existance. So, let me make my request a little more to the point: Is anyone aware of a specification specifically referencing

PCB wash chlorine

Electronics Forum | Sat Oct 04 00:21:00 EDT 2003 | Dean

It would help to run a carbon, anion, cation, mixed-bed configuration with pure DI as the final rinse. IF your incomming water is really bad you can run a RO unit to "prepare" the water for ion exchange. Do you run omega meter or ionograph testing

Cleaner device for PCB

Electronics Forum | Sun Feb 01 18:24:52 EST 2004 | Dean

Ok, maybe I'm missing something here: It's a no clean flux type AND your going to wash it? Why not migrate to OA Flux and just run DI water with Ion-Exchange beds? Benefits: No need for ultrasonics No need for chemical isolation No need for cleani

Contaminants after SMT which affect wire bonding

Electronics Forum | Thu Oct 05 07:23:34 EDT 2006 | Chris

Hi all experts, I have no background about PCB or SMT process. I am now encountering some issues after SMT - Unstable stitch bonding condition. I am now suspecting some contaminants remain on lead after cleaning. Therefore, how can I check th

Conformal Coating Issues

Electronics Forum | Fri May 18 13:08:19 EDT 2012 | blnorman

I'll chime in here as well. If you have adhesion problems, 90% of the time it's contamination on the substrate (soldermask, flux residues, cleaner residues, etc.). Like Dave said, omega meter is a test for gross cleanliness, and it's OK for process

ICOM 500

Electronics Forum | Tue Jul 16 18:05:29 EDT 2013 | Mike Konrad

This was built and sold by Trek Industries. Several years ago, Stoelting purchased Trek. I believe the machine is now discontinued. I am not sure if they continue to provide support. Here is there contact information: PW STOELTING, L.L.C. A VOLLRATH

Re: Mil-P-28809

Electronics Forum | Mon Oct 11 15:06:39 EDT 1999 | Dave F

| | Thank you all for your replies. I guess my age in this industry is showing. This military spec. does not appear to be in existance. So, let me make my request a little more to the point: | | | | Is anyone aware of a specification specifically

Conformal Coating Issues

Electronics Forum | Fri May 18 10:43:32 EDT 2012 | davef

Umar Chapter 7 of IPC-HDBK-830, Guidelines for Design, Selection and Application of Conformal Coatings deals with compatibility of the different materials in the chain. Have you: * Tested your bare boards at incoming for cleanliness with your Omega

Re: measuring board/assy cleanliness

Electronics Forum | Wed Oct 18 16:33:26 EDT 2000 | Dave F

Mike: An omega meter has very little to do with ion chromatography. * IPC TM-650, 2.3.25B, Detection and Measurement of Ionizable Surface Contaminants is a process control method that washes boards with an isopropanol / water solution and measures

Contamination test

Electronics Forum | Sun Jul 29 21:23:27 EDT 2001 | nifhail

When carry out the contamination test,do we measure for Chlorides on water soluble and No-clean fluxes? 1) What is the equivalent factor for machines developed to test the board cleanliness, Omega-meter vs Ionograph vs Zero-ion. 2) What values do we


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