Dear Christopher
As far as I understand it "in principle" does not mean "practically at
reasonable cost" but more along the lines of "possible by any
technique".
Its quite clear from the guidance notes that components are considered
to be made up from a combination of many homogenous materials - all
should be considered seperately.
regards
Kay Nimmo
Soldertec at Tin Technology Ltd, Unit 3, Curo Park
Frogmore, St Albans, AL2 2DD, UK
Direct dial: +44 (0)1727 871 312
Switchboard: +44 (0)1727 875 544
Fax: +44 (0)1727 871 341
[log in to unmask], http://www.lead-free.org
-----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
------------------------------------------------------------------------
-------Leadfee Mail List provided as a service by IPC using LISTSERV
1.8d
To unsubscribe, send a message to [log in to unmask] with following text
in
the BODY (NOT the subject field): SIGNOFF Leadfree
To temporarily stop/(start) delivery of Leadree for vacation breaks
send: SET Leadfree NOMAIL/(MAIL)
Search previous postings at: http://listserv.ipc.org/archives
Please visit IPC web site
http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100
ext.2815
------------------------------------------------------------------------
-------
-----------------------------------------------------------------------------------------------------------------
Tin Technology Ltd & ITRI Limited
Unit 3, Curo Park
Frogmore
St Albans
Hertfordshire, AL2 2DD
Phone number: +44 (0)1727 87 55 44
Fax number: +44 (0)1727 871 341
www.tintechnology.com
-----------------------------------------------------------------------------------------------------------------
This information given in this e-mail is for guidance only. It should be reproduced only in full, with no part taken out of context without prior permission. We believe the information provided in this statement and any attachments is reliable and useful, but it is furnished without warranty of any kind from the authors.
Potential users should make their own determination of the suitability of any information provided and adopt any safety, health, and other precautions as may be deemed necessary by the user.
No licence under any patent or other propriety rights is granted or to be inferred from the provision of the information herein. In no event will Tin Technology or any of its affiliates be liable for any damages whatsoever resulting from the use of or reliance upon this information.
The information contained in this e-mail is intended only for the individual or entity to whom it is addressed. It may contain privileged and confidential information and if you are not an intended recipient you must not copy, distribute or take any action in reliance on it.
If you have received this e-mail in error, please notify us immediately by telephone on +44 (0)870 458 4242. Please also destroy and delete the message from your computer.
-------------------------------------------------------------------------------Leadfee Mail List provided as a service by IPC using LISTSERV 1.8d
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Leadfree
To temporarily stop/(start) delivery of Leadree for vacation breaks send: SET Leadfree NOMAIL/(MAIL)
Search previous postings at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-------------------------------------------------------------------------------
|
