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:
Aug. 19, 2008
Filed:
Jul. 20, 2004
Applicants:
Tomohiko Satonaga, Osaka, JP;
Hirohisa Kikuyama, Osaka, JP;
Tsuguo Fukuda, Miyagi, JP;
Inventors:
Assignees:
Stella Chemifa Corporation, Osaka, JP;
Fukuda Crystal Laboratory, Miyagi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 15/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
It is aimed at providing a fluoride crystal growing method capable of controlling a shape of the crystal by a micro-pulling-down method. Fluoride crystals in shapes depending on purposes, respectively, can be grown by adopting carbon, platinum, and iridium as crucible materials adaptable to fluorides, respectively, and by designing shapes of the crucibles taking account of wettabilities of the materials with the fluorides, respectively.