http://www.intellectuk.org/sectors/components_and_manufacturing/environmenta
l/alternative_surface_finishes.pdf
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Eric Kalgren
Sent: Wednesday, November 10, 2004 12:26 PM
To: [log in to unmask]
Subject: Re: [TN] Electrodeposited Silver vs. Immersion Silver
Rudy,
Would the immersion silver be thicker or thinner?
Thanks
I thought I replied to this, but haven't seen anything in my box, so
forgive me if it's a double post...
Eric Kalgren
Manufacturing Engineer
Atlantic Microwave
Phone: 978-779-7062
Fax: 978-779-0101
-----Original Message-----
From: R Sedlak [mailto:[log in to unmask]]
Sent: Wednesday, November 10, 2004 11:32 AM
To: [log in to unmask]
Subject: Re: [TN] Electrodeposited Silver vs. Immersion Silver
Eric:
You cannot get anywhere near the specified thickness with immersion
Silver, that said, you may not need to, as immersion Silver probably has
a significantly longer shelf life than ED Silver, as it contains a nice
load of antitarnish co-deposited with the silver.
Rudy Sedlak
RD Chemical Company
Eric Kalgren <[log in to unmask]> wrote:
Good morning TechNet,
One of our drawings for an RF PCB calls out "Silver Plate per QQ-S-365,
electrodeposited, Type I, 0.0003" thk." The supplier that we are
getting quotes from says he can't do electrodeposit and wants to supply
immersion silver boards.
Are these two processes equivalent? I searched the archives and cannot
find any references to ED silver. Has immersion replaced this process?
(Our drawing is pretty old.)
The board material is Duroid 5880. would this make a difference?
Thanks for your help!
Eric Kalgren
Manufacturing Engineer
Atlantic Microwave
Phone: 978-779-7062
Fax: 978-779-0101
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