Patent ID: 9741710
Date: 2017-08-22
CPC Classifications: H01L,H02H

Claim:
1. An electrostatic discharge protection device comprising: a base; a plurality of electrodes arranged on the base separated from each other; a function layer supplied on a separation space between the electrodes; and a composite insulating layer disposed on the base and composed of inorganic particles dispersed in a resin, the composite insulating layer covering the electrodes and the function layer, wherein the composite insulating layer includes: a first composite layer arranged on the base and below the electrodes and the function layer; and a second composite layer arranged on the first composite layer to cover the electrodes and the function layer, wherein the function layer having a thin film shape is disposed on a boundary surface of the first composite layer and the second composite layer, and wherein an entire upper surface of the function layer is covered by the first composite layer and an entire lower surface of the function layer is covered by the second composite layer.