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US 10,446,299 B2Granted
Varistor having multilayer coating and fabrication method
AssigneeDongguan Littelfuse Electronics Company Limited
InventorsWen Yang, Hao Cheng
Life of this patent
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Abstract
In one embodiment a varistor may include a ceramic body. The varistor may further comprise a multilayer coating disposed around the ceramic body. The multilayer coating may include a first layer comprising a phenolic material or a silicone material; and a second layer adjacent the first layer, the second layer comprising a high dielectric strength coating.
Claims17
A varistor, comprising:
- a ceramic body;
- and
- a multilayer coating disposed around the ceramic body, the multilayer coating comprising:
- an inner first layer comprising a phenolic resin or a silicone resin;
- and
- an outer second layer directly adjacent the first layer, the outer second layer comprising an alkyd resin with high dielectric strength.
3 more elements
A method of forming a varistor, comprising:
- providing a ceramic body;
- applying a multilayer coating around the ceramic body, the multilayer coating comprising:
- an inner first layer comprising a phenolic resin or a silicone resin;
- and
- an outer second layer directly adjacent the first layer, the outer second layer comprising an alkyd resin with high dielectric strength.
2 more elements
Dependencies are inferred from the claim text.