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December 1999

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Subject:
From:
Jean-Francois Bissonnette <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 15 Dec 1999 11:39:27 -0500
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Hello technetters!

Well thank You for your enthousiastic answers concerning
your identities.  I'll give you some details about my
occupations ounce I get rid of some fires here (it's funny,
nobody mentioned firefighter!!!).

Some people here are getting pretty nervous about one
IPC-A-610 criteria here and honestly I dont know what
what to tell them to ease their worries.

Par. 3.2.4 says that class 1 & 2 permits coating meniscus
of capacitor to be mounted into PTH.  But is'nt there a
risk of preventing the solder to be conform to criteria
4.1 table 1 (saying that the solder must fill 75% of
the hole)?  What is the risk of not respecting this criteria
(3.2.4).  Personnaly I would fear craquing for the capacitor
on the long run (plus the solder fill), this thing will be submit
to constant vibrations (It goes on a train, near the braking system).
So I would prefer to have it above the meniscus.  But here they
are concerned with the overall costing... Well I guess I need
some of these 5000 years of experience now!

Thank You!  See you around!

JF

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