公开(公告)号：US20190103206A1

公开(公告)日：2019-04-04

申请号：US16085940

申请日：2017-03-14

Applicant: EPCOS AG

Inventor： Yongli Wang ,  Jianxin Wu ,  Wenbin Yi

IPC: H01C7/112 ,  C01B13/36 ,  C04B35/453 ,  C04B35/626 ,  C04B41/00 ,  C04B41/51 ,  C04B35/01

Abstract: A ceramic material, a varistor and methods for forming a ceramic material and a varistor are disclosed. In an embodiment, a ceramic material includes ZnO as a main component and additives selected from the group consisting of an Al3+-containing solution, a Ba2+-containing solution, and at least one compound containing a metal element, wherein the metal element is selected from the group consisting of Bi, Sb, Co, Mn, Ni, Y, and Cr.