Re: How to make strong magnets?

What's that Lassie? You say that siliconmike fell down the old
sci.electronics.misc mine and will die if we don't mount a rescue by
26 May 2005 03:13:16 -0700:

I would appreciate if anyone can advise as to how to make magnets. I
have an electronic engineering background, but have never done this
before. I want to make tiny magnets, say size of 4mm x 4mm or 6mm x
6mm, of the power of 4000 to 5000 Gauss (higher the better)..

What material should I use ?
What coating should I do on that material for corrosion protection ?
What would be the thickness of the coating ?
Should I do coating before / after magnetizing ?
What would be the coil / dc power setup ?
How do I measure the strength afterwards ?

Any advise would be great.

Thanks
Mike
http://www.kjmagnetics.com/
--

Dan
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