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:
Sep. 07, 1982
Filed:
Mar. 09, 1981
Applicant:
Inventors:
Nicholas F Gubitose, Moosic, PA (US);
Malcolm R Schuler, Mountaintop, PA (US);
David L Patterson, Mountaintop, PA (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
422249 ; 1566 / ; 156D / ; 156608 ; 279 83 ; 279 86 ; 422246 ;
Abstract
A crystal seed holder assembly for retaining a crystal seed used to grow a ribbon of crystal by the EFG technique is disclosed. The holder assembly is arranged so that the seed is not subjected to fastener stress, can expand without thermal stress and can slide a limited distance relative to the holder assembly.