Patent ID: 9455085
Filing Date: 2016-09-27
CPC Classification: C23C,H01G

Claim Text:
1. A multilayer ceramic device, comprising: a device body having sides which are spaced apart from each other and a circumferential surface which connects the sides; an internal electrode disposed in a longitudinal direction of the device body within the device body; an external electrode having a front part which covers the sides and a band part which extends from the front part to cover a portion of the circumferential surface; and a crack guide pattern disposed within the device body and guiding a progress direction of cracks occurring at the circumferential surface to the sides, wherein the crack guide pattern includes: wherein a ratio of a thickness of the oxide layer and a thickness of the crack guide pattern is larger than 0.004 and smaller than 0.760, and wherein the metal pattern includes nickel (Ni) metal and the oxide layer is a nickel oxide layer.