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June 2015

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From:
Ioan Tempea <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Ioan Tempea <[log in to unmask]>
Date:
Wed, 3 Jun 2015 19:32:57 +0000
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It won't detect contamination inside 90 deg connectors either.

Ioan Tempea, P. Eng.
Manufacturing Engineer, Satellite Systems 

MacDonald, Dettwiler and Associates Corporation, 21025 Trans-Canada Highway, Ste-Anne-de-Bellevue, QC, Canada H9X 3R2
Tel: +1-514-457-2150 x3556
www.mdacorporation.com

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-----Message d'origine-----
De : TechNet [mailto:[log in to unmask]] De la part de Richard Kraszewski
Envoyé : Wednesday, June 03, 2015 3:28 PM
À : [log in to unmask]
Objet : [TN] Automated Conformal Coating Inspection

Would anyone like to share their thoughts on automated coating inspection?
The good, the bad and or the ugly. 

Initial  experience that I have had with them leaves me with the impression  that:

	> That are useful to indicate if there is complete lack of coating  on a PCA or some specific PCA regions.
	> can indicate if there is sizable (ytbd)  violation of a keep out zone.
	> not the best to verify  coverage on some items  such as fine pitch QFP leads or  other small SM type components
	>  except for the case of select spots on a PCA also not the best to use as general tool to locate thick fillets or thin coatings on a PCA

As I said above, any thoughts (profound, rants or other) on this matter would be appreciated. 

Thanks in advance


Rich Kraszewski /PLEXUS 

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