Metal oxide varistor with passivating coating
AssigneeGeneral Electric Company
InventorJohn E. May
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Abstract
A metal oxide varistor comprising a body portion that is composed essentially of a metal oxide and a small percentage of a plurality of preselected additives. A passivating coating is applied to the body portion prior to the application of metallic contacts. The passivating coating includes at least some of the preselected additives in order to enhance device stability and insure compatibility therewith.
Claims4
A metal oxide varistor comprising a body portion consisting essentially of a metal oxide and a relatively small amount of a plurality of additives and with a passivating coating on said body portion, said coating comprising a granular reaction product obtained by prereacting said additives.
Dependencies are inferred from the claim text.