Electronics Forum: no-clean ionic cleaning (Page 1 of 142)

no-clean flux vs. impedance

Electronics Forum | Tue Feb 19 08:49:34 EST 2008 | rgduval

Get the ionic specs from your flux manufacturer, and show it to the designer. No-clean flux/solder is supposed to be low to minimal in ionic contamination, which allow the whole no-clean thing. If he needs further proof, you can have the board io

Cleaning no-clean residue

Electronics Forum | Mon Apr 16 21:21:12 EDT 2001 | davef

Two off the top of my head are: 1 Fluxing / soldering process is either not in-control or not capable. 2 Ionic materials on the board board or components compromise the LT reliability of the product.

no-clean flux vs. impedance

Electronics Forum | Mon Feb 18 15:47:42 EST 2008 | ck_the_flip

In theory, no clean flux residues are electrically benign...period. Here's a good test. Subject the board to some moisture/humidity, and have your circuit designer ohm-out any areas that may be affected by conductive material. Option B: Have a la

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.

changing from no-clean to clean

Electronics Forum | Fri May 17 09:57:17 EDT 2002 | Hussman69

It primarily has to do with your product. Water wash does produce a much cleaner board from an ionic standpoint. I know products that are sensitive to ion leaking need to be cleaned. So you may want to use the customers own product as a point in s

Re: Prove no-clean is clean

Electronics Forum | Thu Sep 17 10:52:40 EDT 1998 | Chrys

I need an evaluation process to prove to a customer that our no-clean process does not leave excessive residue? Any ideas? Justin's right - you need to find out why there is hesitation about residue. Right now I make a board that has contacts for

Re: Prove no-clean is clean

Electronics Forum | Thu Sep 17 12:08:13 EDT 1998 | Graham Naisbitt

Wayne, I think Dave and Justin are correct but I would just add my twopennworth: Your customer presumably wants to know if the end-product will be reliable? If he/she wants you to prove cleanliness, ask them for the spec they want to work to and app

Re: Prove no-clean is clean

Electronics Forum | Thu Sep 17 10:30:22 EDT 1998 | Justin Medernach

I need an evaluation process to prove to a customer that our no-clean process does not leave excessive residue? Any ideas? Wayne, Find out your customer's concern about the residue. Residue can be a pretty ambiguous term. Is their concern activi

changing from no-clean to clean

Electronics Forum | Wed May 22 08:43:40 EDT 2002 | pjc

I have experience cleaning NC for military boards. The reason for cleaning the NC is due to conformal coating requirements. Zestron Vigon A200 and Atron AC 100, as well as Petroferm Hydrex DX have both been effective at cleaning Alpha UP78 NC paste.

Mixing no-clean solder with activated

Electronics Forum | Wed Jun 27 21:17:37 EDT 2001 | davef

;-) Earth to Genny: Hellooooow!!! No one knows the answer. We�re guessing that it might not be a problem, but we don�t know!!! We are not holding-out to drill you. We�d tell you, if we knew, honest. ;-) The people that are goofy enough to do

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