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:
Jul. 31, 1990
Filed:
May. 25, 1989
Applicant:
Inventors:
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C30B / ; C30B / ;
U.S. Cl.
CPC ...
422249 ; 422246 ; 136607 ; 136608 ; 1366171 ; 1366201 ; 1641322 ;
Abstract
A method of producing single crystals is characterized in that in withdrawing a semiconductor or dielectric material from its molten state while allowing it to grow into a single crystal solid, a die heated to a temperature higher than the solidifying point of the melt is disposed at the melt withdrawing outlet and the single crystal is withdrawn through the die.