Bill,
No prob. I should have been able to figure that out. I'm just used to
seeing HASL.
Bev
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bill Dworak
Sent: Monday, June 15, 2009 2:16 PM
To: [log in to unmask]
Subject: [TN] Fw: [TN] HAL-Leaded assembly
Sorry Bev, I am guilty of using terminology that is specific to my end
of
the industry. Hot air leveling (HAL) leaded, means that the surface
finish
is tin lead , I defined it as leaded because there is a leaded as well
as
non-leaded surface finish out there now. This is a military account so
we
cannot use no-lead. I did leave out the materials used typically it has
been
FR4, 130 as well as 170.
Sorry.
Bill
----- Original Message -----
From: "Bev Christian" <[log in to unmask]>
To: <[log in to unmask]>; <[log in to unmask]>
Sent: Monday, June 15, 2009 10:53 AM
Subject: Re: [TN] HAL-Leaded assembly
Bill,
Not enough info!
What surface finish?
What board type?
What environment boards stored in?
How long between manufacture of boards and use?
Bev
RIM
----- Original Message -----
From: TechNet <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Sent: Mon Jun 15 13:47:51 2009
Subject: [TN] HAL-Leaded assembly
Hello everybody, I am looking for some knowledge on what I see is a
basic
type problem that is driving me crazy. I am a sales guy who covers a
sizable
territory and in that territory for a PCB manufacturer (yes one of
those) I
have one account that I have been working with for about 4 years now
that
continuously has issues assembling both hand assembly as well as pick &
place.
The surface finish is HAL (leaded) this is a military account that is
pretty
well structured in their processes. What I get told is that there seems
like
a contamination is on the surface when they scrub the surface it makes
it
better but not 100% better.They have sent back samples for us to look at
,
we saw nothing on the surface no contamination nothing wrong at all.
If this was one of a few that has the same or similar issues it would
make
some sense and I could go to the people I work with asking them to look
into
this issue. But it is the only company that has this issue.
Has anybody seen a similar type of a situation before? Understood that
you
cannot fix this but would appreciate advise as to where to look so
hopefully
this can be solved.
Thank you.
Bill Dworak
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