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:
Apr. 24, 2001
Filed:
Mar. 31, 1998
Applicant:
Inventor:
Thomas M Regan, Westford, MA (US);
Assignee:
Aspen Systems, Inc., Marlborough, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 4/000 ;
U.S. Cl.
CPC ...
C04B 4/000 ;
Abstract
Methods of irradiating sapphire with fast neutron radiation to form a sapphire body having high compressive strength at elevated temperature and use thereof in sapphire window assemblies, bearing assemblies, semi-conductor devices, and optical fibers. The sapphire assemblies and methods for making them.