公开(公告)号：US11267761B2

公开(公告)日：2022-03-08

申请号：US16567055

申请日：2019-09-11

Applicant: AGC Inc.

Inventor： Shuhei Ogawa ,  Naomichi Miyakawa ,  Yasuo Shinozaki ,  Haruhiko Yoshino ,  Kazunari Tohyama ,  Kazuto Ohkoshi

IPC: C04B35/117 ,  C04B38/00 ,  C04B38/06

Abstract: The present invention relates to a light-transmitting ceramic sintered body which contains air voids having pore diameters of 1 μm or more but less than 5 μm at a density within the range of from 10 voids/mm3 to 4,000 voids/mm3 (inclusive), while having a closed porosity of from 0.01% by volume to 1.05% by volume (inclusive). With respect to this light-transmitting ceramic sintered body, a test piece having a thickness of 1.90 mm has an average transmittance of 70% or more in the visible spectrum wavelength range of 500-900 nm, and the test piece having a thickness of 1.90 mm has a sharpness of 60% or more at a comb width of 0.5 mm.

公开(公告)号：US11572316B2

公开(公告)日：2023-02-07

申请号：US16281389

申请日：2019-02-21

Applicant: AGC INC.

Inventor： Makoto Katsuta ,  Misako Kijima ,  Yasuo Shinozaki

IPC: B28B1/24 ,  C04B35/626 ,  C04B35/584 ,  C04B35/48 ,  C04B35/622 ,  C04B35/645 ,  C04B35/571 ,  C04B35/575

Abstract: A method for molding a ceramic material includes: mixing a ceramic powder, a resin, a curing agent and a solvent to obtain a raw material slurry for a ceramic material; injecting the raw material slurry into an elastic container; curing the resin in the raw material slurry injected into the elastic container to form a molded body having a desired shape; and demolding the molded body from the elastic container.