Electronics Forum: pcb cleanliness requirement (Page 7 of 109)

What is the std Resistivity for DI water at Aqueous

Electronics Forum | Tue Jul 31 20:05:11 EDT 2001 | davef

There is no the industry standard specification for resisitivity monitoring at aqueous cleaning. Beyond those posted here earlier by Mikie, guidelines can be found in the fine SMTnet Archives, for instance: (http://www.smtnet.com/Forums/Index.cfm?CF

Glove Me Tender, Glove Me True

Electronics Forum | Mon Jan 17 10:50:56 EST 2000 | Dave F

Continuing on the the discussion of using gloves in a no-clean soldering environment: * Sure, some people use gloves when handling boards in a no-clean soldering environment * There may be some benefit to using gloves when no-clean soldering * Yo

ionic residues on the surface of printed circuit assemblies

Electronics Forum | Wed Sep 02 16:41:44 EDT 2009 | pcbcleaning

Advanced Cleaning Solutions is a Johnstown, PA based electronic manufacturing service provider (EMS) with more than 3,500 square feet of ESD safe facilities. Our services include precision PCB cleaning and ionic cleanliness testing/verification usin

cem audit check-list

Electronics Forum | Thu Jun 29 13:27:20 EDT 2006 | pjc

Verify that the CEMs machines and processes are capable of assembling the technology of your boards- smallest components, largest components, finest pitch, flex circuits, etc� Are their core competences aligned with your requirements- assembly only,

Calculating PCB surface area

Electronics Forum | Tue May 14 20:43:55 EDT 2002 | davef

I feel as though I�ve just walked in to a bar, where everyone I was supposed to meet has been drinking for 3 hours. First, the volume of water displacement thing doesn�t make sense, as others have commented. Second, I believe Dave Robbie wants meas

Omegameter 500 information and possible replacement (ROSE Testing)

Electronics Forum | Fri Jun 02 11:11:11 EDT 2017 | jsmith145

Does anybody have any information regarding an Omegameter 500 (Kenco Industries)? We’ve run 4000+ tests with this machine and all have produced a pass result without a single failure, starting to wonder if tests aren’t accurately assessing PCB cleanl

Water Quality Requirements to wash boards

Electronics Forum | Mon Apr 15 18:56:56 EDT 2002 | davef

Hesitating after your shout-out for �DI water rinse experts�, Q1: �What is the FIX industrial standard?� A1: Never heard of �the FIX industrial standard�. There is no standard in the US electronic industry. The issue: * Is NOT the cleanliness of

Deionized Water Standards

Electronics Forum | Thu Feb 05 19:40:37 EST 2009 | davef

There is no standard for deionzed water when used to clean boards. As you state, J-STD-001 defines a cleanliness requirement and a method for determining cleanliness. How you go about meeting that requirement is your decision, as it should be. Fresh

Re: Things I Like Without Endorsing

Electronics Forum | Wed Jun 02 23:53:09 EDT 1999 | Dean

| To you all for comment and summary, | | The following things I like without endorsing (PCB/PCBA stuff - outside the great women in my life [many] and without [mostly]): | | 1) A good set of design rules | 2) A good set of design rules meeting pro

Ionic Cleanliness testing

Electronics Forum | Tue Apr 03 20:46:32 EDT 2007 | Mike Konrad

We manufacture similar equipment. I would recommend that most of the testing be performed in an automatic shut-off mode. There are potential issues with both methods, automatic shut-off and fixed time tests. In an automatic shut-off mode, the cl


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