Sorry, still not good enough. What kind of vacuum package? How thick?
How sealed? What vacuum? What conditions of storage? What component
construction? What finish? How clean? How do you define
reliability/functionality? What figure of confidence level? How long is
a piece of string?

Brian

Reuven ROKAH wrote:
> Hi Brian
>
> How long active component (BGA, QFP, SOP) or finish product (assembled PCB
> - finish good) can be stored in a sealed / vacuum package and still having
> confidence with its reliability / functionality in its system.
>
> Best  Regards
>
> ROKAH Reuven
>
>
>
>
>                       Brian Ellis
>                       <b_ellis@PROTONI         To:      [log in to unmask]
>                       QUE.COM>                 cc:
>                       Sent by: TechNet         Subject: Re: [TN] Expiry time in vacuum package
>                       <[log in to unmask]
>                       >
>
>
>                       27/04/03 12:06
>                       PM
>                       Please respond
>                       to "TechNet
>                       E-Mail Forum.";
>                       Please respond
>                       to Brian Ellis
>
>
>
>
>
> Uh? How long is a piece of string? Please be more precise
>
> Brian
>
> Reuven ROKAH wrote:
>
>>Hello Technet forum,
>>
>>Pls reply how long Active component of assembled PCB / system can be
>
> stored
>
>>in sealed / vacuum package before use / operating the system / component.
>>
>>
>>Best  Regards
>>
>>ROKAH Reuven
>>
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