公开(公告)号：US20230017610A1

公开(公告)日：2023-01-19

申请号：US17778777

申请日：2020-11-19

申请人： KYOCERA CORPORATION

发明人： Masato HASHIMOTO ,  Junya KOGA ,  Toshikazu SAKIMOTO

IPC分类号： C04B35/584 ,  C03B37/014

摘要： Provided is a member for optical glass manufacturing apparatus. The member is used for optical glass manufacturing apparatus and exposed to a gas containing a halogen element in a high temperature environment of 1100° C. or higher. The member includes dense ceramics containing silicon nitride as a main component, and a porosity of a surface layer of the member is smaller than a porosity of the inside of the member.

公开(公告)号：US20230114382A1

公开(公告)日：2023-04-13

申请号：US17802931

申请日：2021-02-26

申请人： KYOCERA Corporation

发明人： Takahiro YONEDA ,  Masato HASHIMOTO

IPC分类号： C04B35/584

摘要： A member for optical glass production apparatus is a member exposed to a gas containing a halogen element in a high temperature environment; the member includes a first member (4) directly or indirectly supporting an optical glass (10) and a second member (5) supporting the first member (4).

公开(公告)号：US20240174479A1

公开(公告)日：2024-05-30

申请号：US18283758

申请日：2022-03-22

申请人： KYOCERA Corporation

发明人： Masato HASHIMOTO

IPC分类号： B65H57/06 ,  A01K87/04

CPC分类号： B65H57/06 ,  A01K87/04

摘要： A guide ring includes a base member and an oxide layer. The base member has a ring shape, is made of a non-oxide ceramic, and includes a recessed portion. The oxide layer contains an oxide as a main component. The recessed portion has a first surface, and the oxide layer is located on the first surface of the recessed portion.