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:
Mar. 23, 1993
Filed:
Dec. 28, 1990
Applicant:
Inventors:
Julian Szekely, Weston, MA (US);
Olusegun J Ilegbusi, Sharon, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
1566171 ; 156607 ; 1566181 ; 1566191 ; 422249 ;
Abstract
Improved Czochralski crystal growth apparatuses with bulk melt electromagnetic stirring and external axial magnetic fields selectively applied to a melt/growing crystal interface are provided. Such apparatuses are particularly well-suited for continuous feed growth processes.