Electronics Forum: no-clean ionic cleaning (Page 1 of 143)

assembly cleanliness and ionic testing

Electronics Forum | Thu Feb 12 11:57:59 EST 2009 | jmiller

i have searched the forum for hours. read all the threads that deals with cleanliness and ionic testing. (http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=40295) (http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=22603) (http://www.

ionic residues on the surface of printed circuit assemblies

Electronics Forum | Wed Sep 02 02:45:01 EDT 2009 | rocko

Hi All, Let me summarize the key facts and findings: 1) This is not a permanent problem. Only one production batch was affected. The cleaning solution was exchanged and now the cleaning process runs normally. 2) Probably the residues are not ion

ionic residues on the surface of printed circuit assemblies

Electronics Forum | Mon Aug 31 12:37:39 EDT 2009 | rocko

Hi All, As a result of equipment damage I have a problem with a cleanliness of printed circuit assemblies. One whole production batch was polluted by ionic residues because a large amount of hard water had been penetrated in the water-supply system

ionic residues on the surface of printed circuit assemblies

Electronics Forum | Tue Sep 01 20:46:03 EDT 2009 | davef

No, put a thermocouple on the heater and monitor the temperature during cleaning.

ionic residues on the surface of printed circuit assemblies

Electronics Forum | Wed Sep 02 21:57:17 EDT 2009 | davef

contacts for cleaning contractors are: * Petroferm Contract Services [www.partscleaned.com] Franklin, Ky * Aqueous Technologies [www.aqueoustech.com] Rancho Cucamonga, CA * FinePoint Precision Cleaning [www.finepointinc.com] Kokomo, IN * Austin A

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

PCB cleaning

Electronics Forum | Sat Jun 12 17:01:44 EDT 1999 | Murray Pulman

We are using so called no-clean fluxws for our small batch production, however the results are not always very visualy pleasing with white powdery deposits being the norm. I would like advise on the best avenue to explore for a small batch cleaning s

Stencil cleaning

Electronics Forum | Thu May 12 14:03:38 EDT 2016 | chemers

Does anyone have an equipment recommendation for stencil cleaner brand/type that they would recommend for no-clean pastes? I have used ultrasonic cleaners in the past with aqueous pastes, but I don't want to buy something that really won't work for u

stencil cleaning

Electronics Forum | Mon Oct 17 11:16:09 EDT 2005 | slthomas

There are a lot of things that might affect your cleaning efficiency. Paste type (no clean or w/s?), cleaning chemistry, aperture aspect ratio (aperture width/stencil thickness), "linty" wipes, etc. Another thing you need to look at is the frequency

pcba cleaning

Electronics Forum | Tue Oct 29 21:27:21 EDT 2019 | aqueous

It depends on the flux type. If it's water soluble, it should be cleaned soon after reflow because OA flux remains active after reflow. If it's rosin or no-clean (low-residue), then the only concern is the longer wait time, the more difficult it will

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