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. 09, 2001
Filed:
Feb. 17, 1999
Applicant:
Inventors:
Shoei Kurosaka, Kanagawa, JP;
Junsuke Tomioka, Kanagawa, JP;
Masakazu Kobayashi, Kanagawa, JP;
Shuji Onoue, Kanagawa, JP;
Tsuyoshi Sadamatsu, Kanagawa, JP;
Assignee:
Komatsu Electronic Metals Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C30B 1/536 ;
U.S. Cl.
CPC ...
C30B 1/536 ;
Abstract
A seed crystal,for manufacturing a single crystal incorporating an unconformity portion B formed at a predetermined position apart from a leading end thereof and structured to conduct the heat of melt and interrupt propagation of dislocation caused from thermal stress produced when dipping in the melt has been performed.