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November 2005

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Subject:
From:
Phillip Bavaro <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Phillip Bavaro <[log in to unmask]>
Date:
Mon, 14 Nov 2005 19:20:55 -0800
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Hi Joe,

  Go directly to Agilent to find out who is subcontracting their equipment these days.  Years ago, I used to send my boards up to a house in San Jose....but since then bought two machines myself and lost track of who it was I was using back then.

  Personally however my experience with thru hole connectors like this is that wavesoldering them is the wrong process and typically they need to be selective soldered as the time needed to wet to the top of the barrel (5-20 seconds) is longer than wavesolder provides (2-5 seconds) due to the groundplanes involved.

  Hope this helps...

  Phil


"Kane, Joseph E (US SSA)" <[log in to unmask]> wrote:
  One of our boards has a number of 38999 connectors, with connections on
the top side hidden by a spacer. We've had one SJ failure because
of inadequate solder fill up through the PTH. We'd like to determine
whether this is an isolated problem, or whether the spacer might be
impeding solder flow. Of course, we don't have any boards to sacrifice,
and we can't see anything with direct transmission x-ray because the
connector is in the way.

Anyone know of a lab somewhere nearby that offers scan beam
laminography service?

Joe Kane
BAE Systems
Johnson City, NY

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