公开(公告)号：US20210061717A1

公开(公告)日：2021-03-04

申请号：US17010486

申请日：2020-09-02

Applicant: TOSOH CORPORATION

Inventor： Takeshi ITO ,  Yuji MATSUMURA ,  Isao YAMASHITA

IPC: C04B35/49 ,  C04B41/87 ,  C04B37/00

Abstract: A zirconia sintered body that includes a transparent zirconia portion and an opaque zirconia portion has a biaxial bending strength of 300 MPa or more. In addition, the opaque zirconia portion is configured by an opaque zirconia sintered body that is any one of a dark-colored zirconia sintered body, a medium-light-colored zirconia sintered body, and a light-colored zirconia sintered body.

公开(公告)号：US20230295050A1

公开(公告)日：2023-09-21

申请号：US18122190

申请日：2023-03-16

Applicant: TOSOH CORPORATION

Inventor： Takeshi ITO ,  Yuji MATSUMURA ,  Haruki MORI ,  Hikaru TAKESHIMA ,  Tomotaka SHIMOYAMA

IPC: C04B35/488 ,  C04B35/645

CPC classification number: C04B35/4885 ,  C04B35/6455 ,  C04B2235/6581 ,  C04B2235/786 ,  C04B2235/9661 ,  C04B2235/3217 ,  C04B2235/3272 ,  C04B2235/3277 ,  C04B2235/3225 ,  C04B2235/3246 ,  C04B2235/6562 ,  C04B2235/664 ,  C04B2235/663

Abstract: A sintered body includes zirconia, iron, cobalt and titanium, in which a total iron and cobalt content is more than 0.1 mass % and less than 3 mass % and a titanium content is more than 3 mass %.