Title:
遮光部材
Document Type and Number:
Japanese Patent JP7150025
Kind Code:
B2
Abstract:
The light shielding member of the present disclosure includes an aluminum oxide ceramics including an oxide of titanium whose composition formula is shown as TiO2-x (1≤x<2), and a total content of Fe, Ni, Co, Mn and Cr is 260 mass ppm or less.
Inventors:
Satoshi Kiyota
Kazuo Watada
Takehisa Higa
Mamiya Masamichi
Japanese and English
Kazuo Watada
Takehisa Higa
Mamiya Masamichi
Japanese and English
Application Number:
JP2020535794A
Publication Date:
October 07, 2022
Filing Date:
August 06, 2019
Export Citation:
Assignee:
Kyocera Corporation
International Classes:
C04B35/117; G02B5/00
Domestic Patent References:
| JP51113197A | ||||
| JP3113842A | ||||
| JP2010067629A | ||||
| JP2003264107A | ||||
| JP2002263606A | ||||
| JP49030408A | ||||
| JP4093878U | ||||
| JP7012650A | ||||
| JP2006182595A | ||||
| JP2014080362A |
Foreign References:
| CN101265106A | ||||
| WO2013008651A1 | ||||
| WO2016196709A1 |
Attorney, Agent or Firm:
Buna International Patent Office
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