PSN-L Email List Message

Subject: Another mu-metal/permalloy question
From: meredith lamb mlamb1@..........
Date: Tue, 13 Jun 2000 11:22:31 -0700

Hi all,

Thanks for all the notes and tips on magnetic shielding.

I don't have the experience to really delve into the subject
at all.....but I do have another question, that kind of makes
me wonder alot.

For a shielded enclosure that contains a strong neodymium
magnet (mass), would that internal magnetic field, enhance
the overall shields ability to help attenuate the EXTERNAL
magnetic fields influence?  To me, it would seem to help
attenuate the external fields it would somewhat
create a polarized shield according to the orientation of the
internal magnet.  Any thoughts?

Thanks, Meredith Lamb


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Larry Cochrane <cochrane@..............>