Patent ID: 9743502
Date: 2017-08-22
CPC Classifications: H01B,H01T,H05F

Claim:
1. An ESD protection device comprising: a ceramic insulating material; a first discharge electrode and a second discharge electrode disposed in or on the ceramic insulating material; and a discharge auxiliary section located between a distal end portion of the first discharge electrode and a distal end portion of the second discharge electrode, the discharge auxiliary section being an electrode configured to reduce a discharge starting voltage between the first discharge electrode and the second discharge electrode and comprising a sintered body including conductive particles and at least one of semiconductor particles and insulating particles, wherein at least the discharge auxiliary section of the ceramic insulating material and the discharge auxiliary section comprises at least one of an alkaline metal component and a boron component, and a content of at least one of the alkaline metal component and the boron component in the discharge auxiliary section is larger a content of at least one of the alkaline metal component and the boron component in the ceramic insulating material.