There are handling precautions and instructions in the IPC-4553 Standard.
Gary


At 11:34 AM 02/22/2007, you wrote:
>
>         Shawn:
>         There has been a few wars fought over that question in this
>forum. Gold or Silver? Look at the archives and you find proponents for
>one and the other.
>         Regards,
>         Ramon
>
>
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Upton, Shawn
>Sent: Thursday, February 22, 2007 12:45 PM
>To: [log in to unmask]
>Subject: Re: [TN] Immersion silver handling
>
>What about gold imersion?  A board assembly house indicated they
>prefered gold over silver.  Is gold easier to handle?
>
>Shawn Upton, KB1CKT
>Test Engineer
>Allegro MicroSystems, Inc
>[log in to unmask]
>603.626.2429/fax: 603.641.5336
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of John Burke
>Sent: Thursday, February 22, 2007 12:10 PM
>To: [log in to unmask]
>Subject: Re: [TN] Immersion silver handling
>
>Do not delay between assembling the front and back of the board.
>
>Wear gloves when handling
>
>Do not open until ready to use them and make sure the vendor supplies
>them with silver saver interleave paper
>
>Be very careful on washing off mis-printed boards not to contaminate or
>degrade the surface.
>
>Just a few thoughts I am sure others will have more.
>
>John
>
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