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US 2026/0302006 A1Published application
Low-cost electrode for metal oxide varistors
AssigneeDongguan Littelfuse Electronics Company Limited
InventorsPing He, Ganyang Shen, Kang Zhou, Jibin Lv
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Abstract
A metal oxide varistor including a metal oxide varistor chip, a first electrode disposed on a first side of the metal oxide varistor chip and a second electrode disposed on a second side of the metal oxide varistor chip, wherein each of the first electrode and the second electrode includes a seed layer formed of a nickel alloy disposed directly on a surface of the metal oxide varistor chip, and a cover layer formed of metal disposed on the seed layer.
Claims13
A metal oxide varistor comprising:
- a metal oxide varistor chip;
- a first electrode disposed on a first side of the metal oxide varistor chip and a second electrode disposed on a second side of the metal oxide varistor chip, wherein each of the first electrode and the second electrode comprises:
- a seed layer formed of a nickel alloy disposed directly on a surface of the metal oxide varistor chip;
- and
- a cover layer formed of metal disposed on the seed layer.
2 more elements
A method of manufacturing a metal oxide varistor comprising:
- providing a metal oxide varistor chip;
- forming an electrode on a surface of the metal oxide varistor chip, including:
- applying a seed layer formed of a nickel alloy to the surface of the metal oxide varistor chip;
- and
- applying a cover layer formed of metal on the seed layer.
2 more elements
Dependencies are inferred from the claim text.