[HomeBrew] Mu Metal Source?

Carl [email protected]
Tue, 24 Feb 2004 18:34:16 -0500


Old military and commercial scopes used that stuff for a shield. Roughly
the 60's and older.

Im looking for some .002" to .004"  x 1/2" ribbon.

Carl
----- Original Message ----- 
From: <[email protected]>
To: <[email protected]>
Sent: Monday, February 23, 2004 9:48 PM
Subject: Re: [HomeBrew] Mu Metal Source?


> ** Please do NOT cross-post messages to multiple mailing lists on the
"To:" or "CC:" line of the e-mail message. **
>
> Hi Homebrewers,
>
> Many thanks to all that responded!  I looked on the net too and
> didn't find anyplace that would sell a small quantity at a
> reasonable price....the stuff is "like gold".  I don't know
> what "reasonable" would be...perhaps an assortment of
> sizes for <$20.  I saw an "engineering kit" that was
> offered for over $100...geesh!  :))   I'll look at the sites
> that were given to me...maybe there is hope.
>
> I mounted a small amplifier (LM386 type) in a candy tin...
> that took care of all the hum I was picking up.  Only when I
> bought an operating soldering gun within about 2" of the tin
> did I pick up hum.   When the amplifier was out of the
> case it would have made a good house wiring locator..hi hi
>
> I need to make a "custom" enclosure
> for the rest of my project, so the best bet for me is to just use
> some thin, ordinary galvanized sheet metal that's available
> everywhere.  That will probably take care of all the magnetically
> induced hum I could pick up when the device is finally built
> and used.
>
> 73 and happy homebrewing!
>
> Charlie
> N0TT
>
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