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. 26, 2000
Filed:
Mar. 05, 1999
Applicant:
Inventors:
Takenori Sekijima, Shiga-Ken, JP;
Takashi Fujii, Otsu, JP;
Kikuo Wakino, Muko, JP;
Masakatsu Okada, Kyoto, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
117 49 ; 117 37 ; 117 40 ; 117 41 ; 117 44 ; 117 51 ;
Abstract
A method for growing a single crystal by allowing a seed crystal to contact a molten zone formed by melting a polycrystalline material, followed by moving the molten zone away from the seed, wherein the oxygen concentration in the atmosphere during growth of the single crystal is lower than about 10% by volume.