Electronics Forum: white and residue and no and clean and flux (Page 1 of 1)

Wave flux and profiling

Electronics Forum | Mon Dec 18 13:00:47 EST 2006 | grantp

Hi, We have a white residue, which is visible, and we would like to have the produce clean as it's a PCI card, so users see the PCB. I am wondering if we need to install a cleaning stage to the line for these kinds of products. Can anyone give som

Re: Ionic testing and No-Clean flux

Electronics Forum | Sat Feb 05 09:08:18 EST 2000 | Dave F

Casimir: Let me expand on something that I said in my response to your thread on ionic testing. Generally, no-clean people don�t use ROSE testing as part of their process control, because the ROSE test is essentially washing your board in DI/IPA �

Flux Designations and Composition

Electronics Forum | Mon Jul 12 11:35:27 EDT 2004 | Pierre RICHARD

Here are some answers to my questions after a good research. I also added more definitions that could help understand this esoteric language used in assembly, specially surrounding fluxes and their use. In blue italics are comments and extracts from

Mixing No-clean and water soluble processes

Electronics Forum | Tue Feb 23 13:49:20 EST 2010 | davef

There should be no problem. Recognize that the residue of some low residue fluxes turn a milky-white color when you wash them. This could freak your quality people.

Mixing No-clean and water soluble processes

Electronics Forum | Tue Feb 23 16:45:36 EST 2010 | dyoungquist

Davef is right on as usual. We are doing exactly what you do. Some smt with no clean paste then the plate through connectors on our selective solder machine using water soluble flux. We then clean with a ultrasonic water process. We do see the re

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