Electronics Forum | Wed Oct 11 09:55:10 EDT 2000 | Ian Harrison
Some boards that are populated by one of our subcontractors are getting a white powdery residue forming on them. I think it is the non clean flux and process which they are using that is causing the problem. Their process is as follows. Flux is put i
Electronics Forum | Thu Oct 12 17:56:58 EDT 2000 | DennisF
The white residue can be caused by putting Alcohol on the no clean product. Some people will attempt to clean an area they have reworked.
Industry News | 2015-08-31 17:06:09.0
The Dodd-Frank Act continues to be burdensome for companies required to report on the usage of conflict minerals. In order to address industry concerns, IPC – Association Connecting Electronics Industries® has released IPC-1081, Conflict Minerals Due Diligence White Paper (IPC WP-1081), a document designed to help with some reporting woes.
Industry News | 2011-04-04 15:57:24.0
Aqueous Technologies Corp. announces that CEO Michael Konrad will present the paper titled "Conductive Crystals, White Residues, and Lower Reliability — The Rush to Clean No-Clean" at the upcoming International Conference on Soldering & Reliability (ICSR).
Technical Library | 1999-05-07 10:47:00.0
White residue remaining after cleaning circuit board assemblies can be caused by a variety of chemicals and reactions. Rosin and water-soluble fluxes, circuit board resins and epoxies, component materials and other contamination all contribute to this complex chemistry. This paper discusses many of the sources of the residues that seem to be an ever-increasing occurrence.
Technical Library | 2023-12-26 17:50:54.0
In this white paper, we discuss the pros and cons of five analytical techniques when applied to residue analysis on electronic assemblies. We evaluate the following for their application and limitations for analyzing both visible and invisible residues: FITR, SEM/EDX, XRF, Ion Chromatography, and ROSE
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| https://www.eptac.com/faqs/soldertips/soldertip/soldertip-38-clean-vs-no-clean-fluxes
. The flux hardens and can be left on. The problem most people find with it is that it has a dark residue and when we used to use it on Printed circuit boards, the test folks would get upset because it would foul up their test fixtures and test pins
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