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:
Oct. 09, 2001
Filed:
Sep. 22, 1999
Applicant:
Inventors:
Frank E. Aspen, St. Paul, MN (US);
Joseph H. Sexton, Oakdale, MN (US);
Richard F. Willson, Hudson, WI (US);
Assignee:
Imation Corp., Oakdale, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/100 ;
U.S. Cl.
CPC ...
G11B 1/100 ;
Abstract
An air-incident, optical data storage medium has a substrate, a reflector layer, a magneto-optic recording layer, and a protective layer. The reflector later has at least one of an electrical conductivity greater than about 5.0×10,(&OHgr;-cm),, an RMS surface roughness less than about 1.0 nm as measured by atomic force microscopy, and an index of refraction of less than about 0.5 at a read wavelength.