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Subject:	Re: OSP Shelf Life
From:	[log in to unmask] (Jack Crawford)
Date:	Thu, 20 Feb 1997 14:40:02 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (51 lines)

Ron, I chaired a session at SMI '96 last fall that covered this. You should
get a copy of the SMI'96 Proceedings (contact Surface Mount Technology
Assoc 612-920-7682) and read the papers. One was on OSPs, and another on
noble metal finishes, and I think the 3rd was general life of both
finishes, but can't swear by it from memory. I suggest you contact Enthone
OMI and see if they have some copies of independent studies that address
this.

>     Techneters:
>
>     Does anyone have definitive data/experience with shelf life for OSP
>     coated boards?  We presently use 6 months but would like to store for
>     12 months.  Thanks.
>
>     Ron Yanuszewski
>     Cabletron Systems, Inc.,
>
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