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November 2002

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Subject:
From:
"Dan R. Johnson" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 19 Nov 2002 13:39:54 -0800
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Carrie,
>Why Bad Lead?  Lead, like ammo, can be useful if used and stored properly.
Just the point I was trying to make.


>Out of curiosity, Anyone of you out on the TechNet changed over to
Lead-Free?
 Yes.
>If so, How is it going?
Mas o Menos, overall more good than bad.
>How are your costs?
Just in materials, 10-30% higher since demand is lower for lead free solder
alloys.
>Who absorbed or is absorbing the increased costs?
It's all coming off the bottom line here.
>How do your solder joints look?
NOT like Sn63, the grain is much more pronounced and a good joint has a
duller appearance.
>How's training the inspectors going?
We use peer inspection, and have a small staff so training hasn't been a
issue. I shudder to think hat it would have been like in some of my past
lives with big QA departments.

My unsolicited comment; given the choice I would stick with Tin/Lead solder.
In a larger operation the cost would go directly to the consumer, who would
receive *no* benefit from the change.

Dan

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