[tinwhiskers] Re: AW: [RoHSUSAPushback] Connection failure in the super collider
- From: "Bob Landman" <rlandman@xxxxxxxxxxxxxxxxx>
- To: <tinwhiskers@xxxxxxxxxxxxx>
- Date: Tue, 7 Oct 2008 12:46:57 -0400
I do not understand how CERN came to be exempt (if indeed it did) from no-lead
RoHS. How did they get an exemption? Scientific instrumentation is not exempt
from RoHS. I spent a good deal of my life in physics research and I don't
believe we ever got exemptions for any environmental regulations.
As you say, all the components they would use are today lead-free so even if
they wanted to not comply with RoHS, they would inadvertantly do so.
As for soldering down in the trench, there are warmer sections of the magnet
systems that are, I'm sure, soldered with conventional solder. The question
is, what kind?
Bob Landman
H&L Instruments,LLC
-----Original Message-----
From: tinwhiskers-bounce@xxxxxxxxxxxxx
[mailto:tinwhiskers-bounce@xxxxxxxxxxxxx] On Behalf Of Rod Dalitz
Sent: Tuesday, October 07, 2008 10:39 AM
To: tinwhiskers@xxxxxxxxxxxxx
Subject: [tinwhiskers] Re: AW: [RoHSUSAPushback] Connection failure in the
super collider
On 7 Oct 2008, at 07:21, Klaus Reindl wrote:
> ... Work on the Super Collider might have started before RoHS becoming
> effective.
> Besides, the whole application is exempt from it.
You can be exempt, but unless you recognise there is a potential problem, you
would just use mainstream supplies.
Many technical parts of the LHC are sufficiently technical not to be relevant,
I doubt you connect superconducting wire with tin/lead solder.
But I would love to ask those concerned. I have not found a place to ask that
question.
regards, Rod
rod.dalitz@xxxxxxxxxxxxxxxx
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