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August 2005

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Subject:
From:
Jeffrey Bush <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Jeffrey Bush <[log in to unmask]>
Date:
Wed, 24 Aug 2005 16:18:40 -0400
Content-Type:
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Also when processing packages with ENIG finishes and also contact
fingers this process is much more efficient and problem free.

Jeffrey Bush
Director, Quality Assurance and Technical Support

VERMONT CIRCUITS INCORPORATED
  76 Technology Drive - POB 1890
    Brattleboro, Vermont 05302
      Voice: 802.257.4571.21 Fax: 802.257.0011
           http://www.vtcircuits.com
 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Gerard O'Brien
Sent: Wednesday, August 24, 2005 2:15 PM
To: [log in to unmask]
Subject: Re: [TN] Nickel Plating

Susan - you may use either nickel - in fact the electroless nickel is
slightly harder than electrolytic and thus should give better wear
characteristics. You can use electrolytic nickel with immersion gold -
the
gold replaces the nickel and leaves behind the phos in electroless
nickel so
the reaction is basically the same - gold for nickel exchange. You can
also
electroplate Au over electroless Nickel.
We have tested ENIG for plug to install edge connectors with no issues.


Regards

Gerard O'Brien
Photocircuits Corporation
Co-chairman 4-14 plating committee

-----Original Message-----
From: Susan Mansilla [mailto:[log in to unmask]]
Sent: Wednesday, August 24, 2005 12:54 PM
To: [log in to unmask]
Subject: [TN] Nickel Plating

I need some information regarding the nickel plating that is used for
ENIG
and for contact fingers.

Can this be the same nickel bath and applied in the same manner?
Is this ever done?
What happens if ENIG nickel is used for contact fingers and what happens
if
contact finger nickel plating is used for ENIG, if they are not
interchangeable?

Thanks for you help

Susan Mansilla
Robisan Lab

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