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March 2010

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Subject:
Re: Wire bondable gold
From:
Inge <[log in to unmask]>
Reply To:
Inge <[log in to unmask]>
Date:
Wed, 31 Mar 2010 12:52:30 -0700
Content-Type:
text/plain
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text/plain (81 lines) 
Hi Steve,
  electroless gold has the ability of much better selective deposition than 
has electrolytic. Maybe they have need for a precise start and then followed 
by the more compact electrolytic gold for the thermosonic bonding.

Inge

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From: "Steve Kelly" <[log in to unmask]>
Sent: den 31 March 2010 12:20
To: <[log in to unmask]>
Subject: [TN] Wire bondable gold

> Hi all,
>
> Anyone know a reason why a customer would call up 20 micro inches of 
> electroless gold followed by 50 micro inches of electroplated soft gold 
> for thermosonic gold wire bonding? Is there an advantage to having the 
> electroless underneath?
>
> Regards Steve Kelly
>
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> PFC_2col.png
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> CREATING A FLEXIBLE FUTURE
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> Steve Kelly
>
> (416) 750-8433 (work)
>
> (416) 750-0016 (fax)
>
> (416) 577-8433 (cell)
>
>
>
>
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