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:
Jan. 18, 2022
Filed:
Oct. 28, 2019
Jx Nippon Mining & Metals Corporation, Tokyo, JP;
Makoto Mikami, Ibaraki, JP;
Yoshiki Yamazaki, Ibaraki, JP;
JX Nippon Mining & Metals Corporation, Tokyo, JP;
Abstract
A Cr:YAG sintered body including Al, Y, Cr, Ca, Mg, Si, and O, and component contents in the sintered body satisfying conditional expressions of 1) to 3) below, provided in the Conditional expression, each chemical symbol represents a component content (atppm).|(Y+Ca)/(Al+Cr+Si+Mg)−0.6|<0.001;  1)0≤(Ca+Mg)−(Cr+Si)≤50 atppm; and  2)50≤Si≤500 atppm  3) The embodiment of the present invention is to provide a Cr:YAG sintered body which exhibits high transparency and has a high Crconversion ratio, and its production method.