Kathy,

        Try the following persons at Enthone OMI (West Heaven CT).
They have the answers your're looking at...

Bob Farrell
Eric Strafstrom
Durand Cerone

        Good luck.



Michel Poulin
Technical advisor / Conseiller Technique
 V I A S Y S T E M S  CANADA.
379 Brignon Granby,  Quebec  (Canada) J2G 8N5
Tel.: ( 514 )  378-0193,       FAX:  ( 514 ) 378-5110
E-MAIL:  [log in to unmask]

> ----------
> From:         Kathy Palumbo[SMTP:[log in to unmask]]
> Reply To:     TechNet E-Mail Forum.;Kathy Palumbo
> Sent:         Friday, March 13, 1998 5:00 PM
> To:   [log in to unmask]
> Subject:      [TN] OSP COATED BOARDS
>
> We are in the process of performing an analysis on OSP coated boards
> as
> an alternative to HASL coated boards.  So far everything looks
> excellent.  Outstanding wetting, solderability, less solder bridging
> issues, better paste printing results, better component placement
> results, better match of pad geometry with gerber data, no bow and
> twist
> problems, flatter board surface, etc., etc.....
>
> However our Manufacturing manager is concerned with the following
> issues:
>
> 1.  Moisture Sensitivity
> 2.  Scratches through the OSP coating
> 3.  Finger print sensitivity
> 4.  Stricter Handling requirements
>
> Will the boards have to be vacuumed sealed with desiccant to prevent
> moisture damage?  How sensitive are the boards to finger prints?  What
> is the typical shelf life of an OSP coated board?  If the boards are
> scratched through the OSP coating will we have soldering problems
> later?
>
>
> Is there a contact person at Enthone (our supplier used ENTEK OSP
> coating) who could help me with some of this?
>
> These are just a few questions that need to be addressed, and any
> response regarding this matter will be greatly appreciated.
>
>
> Thanks in advance for your help!
>
> Kathy Palumbo
>
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