Patent ID: 11964916
Assignee: TOSOH CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC C

Claim 0:
1. A layered body having a structure in which two or more layers containing zirconia containing a stabilizer are layered, the layered body comprising at least:
a first layer containing zirconia having a stabilizer content of higher than or equal to 4 mol %; and
a second layer containing zirconia having a stabilizer content different from that of the zirconia contained in the first layer,
wherein a difference between the stabilizer content in the first layer and the stabilizer content in the second layer is greater than or equal to 0.5 mol %,
wherein at least the first layer and the second layer contains one or more elements having a function of coloring zirconia,
wherein at least the first layer and the second layer contain an element having a function of coloring zirconia and the content and the type of the element having a function of coloring zirconia in the first layer is different from the element having a function of coloring zirconia in the second layer and
the layered body is a calcined body.