[SI-LIST] Re: Long Term storage of partially assembled Board or Assembly Storage to 25 years: Concerns are about connector and PCB quality after this time.
- From: "Jack Olson" <pcbjack@xxxxxxxxx>
- To: steven.salkow@xxxxxxxx
- Date: Tue, 12 Feb 2008 14:20:35 -0600
Maybe you accidentally posted this to the wrong forum?
If you aren't on the IPC Technet forum, you could join long
enought to post your question, but if you don't want 50 emails
a day set your option to "digest".
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Your question may have already been answerred though.
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good luck,
Jack
.
On 2/12/08, Salkow, Steven <steven.salkow@xxxxxxxx> wrote:
>
> Content-type: text/plain; charset=US-ASCII
> Content-transfer-encoding: 7BIT
> Dear Collogues:
>
> This application if for the Long Term storage of partially assembled
> Board to 25 years
>
> The final CCA is a backpanel for an avionics application. There are
> some SMRs, SMCs, and a few other parts that will be soldered to the
> board. These parts will be soldered to the board BEFORE it goes into to
> storage. Connectors will be pressed into the board and then the board
> will be conformal-coated AFTER storage. The board finish is HASL. The
> board material is polyimide-glass.
>
> Concerns are about connector and PCB quality after this time.
> Questions are:
> * Quality Methods
> * Materials
> * Environment of storage, packaging, etc.
> * Board cleanliness
> * Reliability of connector
> * Does anyone have any direct experience for storage this long?
>
>
>
>
>
>
>
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