Title:
POWDER
Document Type and Number:
WIPO Patent Application WO/2023/026656
Kind Code:
A1
Abstract:
One embodiment of the present invention provides a powder. The powder includes ZnO, Al2O3, and SiO2 as components. In a ternary phase diagram of the ZnO, the Al2O3, and the SiO2, the powder has a composition included in a rectangular area having as the four corners thereof (ZnO (mol%), Al2O3 (mol%), SiO2 (mol%)) = ZnO (mol%), Al2O3 (mol%), SiO2 (mol%)) = (24, 13, 63), (19, 18, 63), (37, 12, 51), (32, 17, 51). The ratio (S001/S101) of the area S001 of a peak appearing in the range of 15º ≤ 2θ ≤ 17º and the area S101 of a peak appearing in the range of 24º ≤ 2θ ≤ 27º in an X-ray diffraction pattern is 0.001-0.07.
Inventors:
KARIYA KOHEI (JP)
EBISUZAKI TAKAKO (JP)
FUKAZAWA MOTOHARU (JP)
EBISUZAKI TAKAKO (JP)
FUKAZAWA MOTOHARU (JP)
Application Number:
PCT/JP2022/024858
Publication Date:
March 02, 2023
Filing Date:
June 22, 2022
Export Citation:
Assignee:
DENKA COMPANY LTD (JP)
International Classes:
C03C12/00; C03C10/14
Domestic Patent References:
| WO2019177112A1 | 2019-09-19 | |||
| WO2019177112A1 | 2019-09-19 |
Foreign References:
| JPH02208256A | 1990-08-17 |
Other References:
YOKOISHI, SHOJI; SAITO, HAJIME: "Precipitation of β-quartz Solid Solutions from ZnO-Al2O3-SiO2 glasses (ZnO/Al2O3>1). Studies on the Crystallization of (ZnO-Al2O3-SiO2, Glasses, No. 4", JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, INTERNATIONAL EDITION., FUJI TECHNOLOGY PRESS, TOKYO., JP, vol. 88, no. 12, 1 January 1980 (1980-01-01), JP , pages 733 - 740, XP009543807, ISSN: 0912-9200, DOI: 10.2109/jcersj1950.88.1024_733
INT. J. THERMOPHYS, vol. 25, no. 1, 2004, pages 221 - 236
INT. J. THERMOPHYS, vol. 25, no. 1, 2004, pages 221 - 236
Attorney, Agent or Firm:
IPX PATENT PARTNERS (JP)
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