Hi Ingemar

1.      Is this an automatic process? Sounds like there is moisture
introduce to the material. The materials reservoir must be      seal.

2.      Try a different lot number

Good luck


Luis Gallegos
Process Engineer
Sanmina-SCI
[log in to unmask]
Phone: 262 947-7700
Direct: 262 947-2765
Fax: 262 947-7728





-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Ingemar Hernefjord
Sent: Thursday, October 27, 2005 9:32 AM
To: [log in to unmask]
Subject: [TN] Urgent! Acrylic coating


Hi all,
I got a call from our production. They stopped the board coating. All
boards get white and superthin veils, patterned like fractals or roses.
I'm at home because of illness, so I can't participate in their work
with the problem.
I asked them for how long they bake the board before spraying, and they
told me that  no baking is made at all. Does sound wrong to me. My first
theory is humidity in some form. Humiseal, don't have the article number
just now.
Anyone who has a tip?
I'll get pics sooner, maybe I can resize them for Steve's gallery.
Thanks in advance
Ingemar Hernefjord
Ericsson Microwave Systems

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