The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2020
Filed:
Jun. 14, 2017
Applicants:
Koito Manufacturing Co., Ltd., Tokyo, JP;
Kochi University, Kochi, JP;
Inventors:
Assignee:
KOITO MANUFACTURING CO., LTD., Kochi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 25/455 (2006.01); C30B 29/12 (2006.01); C30B 15/36 (2006.01); C30B 9/06 (2006.01); C30B 29/14 (2006.01);
U.S. Cl.
CPC ...
C30B 29/12 (2013.01); C01B 25/455 (2013.01); C30B 9/06 (2013.01); C30B 15/36 (2013.01); C30B 29/14 (2013.01);
Abstract
A method of producing an apatite crystal includes the steps of preparing an apatite single crystal expressed by the general formula M(PO)X (Mbeing at least atomic element selected from the group consisting of divalent alkaline-earth metals and Eu, and X is at least one atomic selected from the group consisting of halogens); placing the apatite single crystal into a space controllable to a predetermined atmosphere; supplying water vapor into the space; and heating such that the atmosphere in the space is within a 1000° C. to 1400° C. range.