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. 31, 2013
Filed:
Jun. 13, 2012
Applicant:
Hitoshi Ishizawa, Kawasaki, JP;
Inventor:
Hitoshi Ishizawa, Kawasaki, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 33/00 (2006.01); C01B 9/08 (2006.01); C01D 3/02 (2006.01); C01F 5/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A Ca—La—F based transparent ceramic, including: mixing CaFparticles and LaFparticles that are prepared separately from the CaFparticles to form a mixed body of particles, and sintering the mixed body of particles and making the mixed body transparent, thereby producing a transparent ceramic.