Patent ID: 11908599
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A varistor comprising:
a sintered body;
an internal electrode disposed in an interior of the sintered body;
an insulating layer covering at least part of the sintered body and including Zn2SiO4; and
an external electrode electrically connected to the internal electrode, covering part of the sintered body and part of the insulating layer, and being in contact with the part of the insulating layer, wherein:
the sintered body on which the insulating layer is formed has a flat surface, and
the insulating layer includes a region in contact with the external electrode, and the region has a greater average thickness from a surface of the insulating layer than a region of the insulating layer which is out of contact with the external electrode.