----- Original Message -----
From: Mike Hord <gaidinmd@hotmail.com>
To: <piclist@MIT.EDU>
Sent: Wednesday, September 01, 2004 3:49 PM
Subject: Re: [OT] Coating of Tiny Magnets


> > > I find myself with a few dozen NdFeB magnets needing a
> > > highly biocompatible coating.  I have attempted plating,
> > > but it doesn't seem to work too well (I suspect this is due
> > > to the boron component, but that's just conjecture).
> >
> >I thought you could get these pre-plated with gold or nickel.
> >
> >Regards
> >Sergio Masci
>
> Really, you can, but in order for us to get this in a reasonable
> timeframe our magnet supplier was unable to get someone to
> plate them.
>
> They're specially manufactured, a half millimeter square.  Very
> tiny.  I think our final solution is medical silicone.  We'll see how
> that goes.
>
> Mike H.

There is a method for depositing silver on a non-conductive surface. Look up
methods for making mirrors using silver nitrate, ammonia and formaldehyde. This
should allow you to produce a surface you can plate properly.

Regards
Sergio Masci

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