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Subject: Magnet corrosion

Date: 09/03/01 at 9:35 AM
Posted by: mike plaisted
E-mail: mike108@togehter.net
Message Posted:

In upgrading sputter cathode magnet structures it is often a benefit to use the newer neodymium magnets. In the older original design ceramic magnets were often used and for optimum cooling they could be placed directly in the water chamberwithout damage.

Enhanced designs can benefit from the use of Neodymium, however their corrosion proerties are terrible in water. The ultimate solution is dry magnets but trials to justify the cost must be in water.

There seems to be more solutions for protection than for curing the common cold, but the results are not encouraging for long periods.

Any suggestions from succesful applications is most welcome.

mike plaisted


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