Ach,… Sorry.
It appears that perhaps I am using a term too esoteric even for the members of this community, or we have internally been using a term incorrectly.
We consider haloing to be when coating leaks into an unsealed connector body such that when you look down into the connector, coating has wet the molding around a connector pin socket, but not transferred to the metal contact . Hence you get a ring of fluorescence at that location. Often defected by some customers but we call it a process indicator. This same concept can be used on other non-circular artifacts also.
I think the term was used by a large defense customer of ours and we have more or less adopted it internally.
Rich Kraszewski
Senior Staff Process Engineer
Plexus
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From: Douglas Pauls [mailto:[log in to unmask]]
Sent: Thursday, April 19, 2018 10:39 AM
To: TechNet E-Mail Forum; Richard Kraszewski
Subject: Re: [TN] Images of Conformal Coating "Haloing"
Rich, can you expand on what you mean by haloing? Like fish eyes? Or Dewetting?
Doug Pauls
Principal Materials and Process Engineer
Rockwell Collins
On Thu, Apr 19, 2018 at 10:26 AM, Richard Kraszewski <[log in to unmask]<mailto:[log in to unmask]>> wrote:
If anyone has any image of coating "haloing " within a connector, header or like I would appreciate getting that image(s).
Rich Kraszewski
Senior Staff Process Engineer
Plexus
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This e-mail and any attachments are confidential from Plexus Corp. and may contain information which is privileged, confidential, and/or protected by non-disclosure agreements. They are intended solely for the use of the named addressee(s). . Any unauthorized use or disclosure may be unlawful. If you are not a named addressee, you must not use, disclose, retain or reproduce all or any part of the information contained in this e-mail or any attachments If you have received this transmission in error, please destroy it and notify us immediately by return e-mail or by calling + 1 888 208 9005.
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