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October 2004

Leadfree@IPC.ORG

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Subject:
From:
Kay Nimmo <[log in to unmask]>
Reply To:
(Leadfree Electronics Assembly Forum)
Date:
Wed, 13 Oct 2004 08:42:34 +0100
Content-Type:
text/plain
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text/plain (143 lines)
Hi Chris

Actually it is only WEEE that is a minimum requirement directive (with
potentially different and additional requirements in any  member state).
RoHS is effectively a single market directive which should have
identical requirements in all member states to prevent trade/market
distortion (even if the text of member state laws do vary the result
must be the same).

regards
Kay Nimmo

-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of James, Chris
Sent: 12 October 2004 18:00
To: [log in to unmask]
Subject: Re: [LF] Pb-free definition (and partial response to G
Anderson)


Chris,
Both the WEEE and RoHS directives whilst being pan European directives
are not single market directives. This means they have to be implemented
to the minimum levels required by the directive by national member state
legislation but this may include additional requirements.

Thus there can be no such thing as EU Guidance - each member state will
have their own guidance for their own implementation.

The UK guidance documentation can be found at the DTi website:

http://www.dti.gov.uk/sustainability/weee/index.htm#Latest_Information


Regards,
Chris

-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of Christopher Lawson
Sent: 12 October 2004 17:18
To: [log in to unmask]
Subject: [LF] Pb-free definition (and partial response to G Anderson)

As a newcomer to the electronics industry, my knowledge is pretty
limited, but I think I have a firm grasp on the basics.  First, to
answer Greg, I think it would be economically and practically unfeasible
to strip the leads of components of the lead coating and reapply an
"approved" material to the stripped lead.  However, like I said, I am a
newcomer, so any information to the contrary would be appreciated.

Now, as to my question, I was wondering whether or not the EU has
adopted the Guidance Document drafted, I believe, in mid-June, stating
that "a maximum concentration value of 0.1% by weight in homogenous
materials... shall be tolerated."  The GD goes on to define homogenous
materials as any material that can not be mechanically disjointed, in
principle, by mechanical actions (unscrewing, cutting, etc.).  Any word
on whether this is actually part of the RoHS directive now?  If so, what
exactly does the "in principle" clause mean?  Does that mean practical?
If so, then components shouldn't apply as it is impractical to
mechanically disjoint them.

Thoughts?  Comments?  Thanks!
--

Christopher Lawson

*/ProtoRun                                  /*

[log in to unmask] <mailto:[log in to unmask]>

(630) 446-4200 x116

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