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June 1998

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Date:
Sat, 13 Jun 1998 12:24:10 +0200
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Dear Sir /Mme:

My name is Toni Casas and I'm working as a quality engineer in an entreprise
which performs electronic circuits and devices for industrial aplications.

I have heard about your organization and I'm sending you this e-mail in
order to ask some things about soldering processes. I explain a little about
our productive process.

First of all we perform SMD assembly. Then we mount conventional components
by hand and then the pcb's are soldered in a new technology soldering line.

We have problems, especially in large pcb's, by the humidity of the pcb amb
the problem known by the name of outgassing. You know, we enter the pcb into
the soldering line and when the tin reaches any pad of the pcb, then it
explodes by the presence of humidity. Our pcb's supplier says that is the
outgassing problem, but we know nothing about that: Nothing about
outgassing, and nothing about how to use pcb's properly to get a good solder.

If you have any information about that, I please ask you to send it at the
address

[log in to unmask]

which is my personal address.

Toni Casas Pujadas
Quality Enginner

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