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June 2005

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Subject:
Re: HASL Leveling
From:
Karen Ebner <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Karen Ebner <[log in to unmask]>
Date:
Thu, 16 Jun 2005 08:18:03 -0400
Content-Type:
text/plain
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text/plain (90 lines) 
Hi Pete

Yes dewetting of the HASL finish on the board.


Karen Walters Ebner
Raytheon Electronic Combat Systems
Towson, MD 21286
410.583.4082



Pete Lymn <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
06/16/2005 06:29 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
[log in to unmask]


To
[log in to unmask]
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Subject
Re: [TN] HASL Leveling






Can you define 'uneven'?
 Are you referring to random 'high' areas on some pads, or variations in
distribution across individual features? If the later what is the
variation
and pad size.

-----Original Message-----
From: Karen Ebner [mailto:[log in to unmask]]
Sent: 15 June 2005 07:46 PM
To: [log in to unmask]
Subject: [TN] HASL Leveling


What are the most probable causes for an uneven surface of a HASL finish
pad
on PCB??


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Karen Walters Ebner

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