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:
Dec. 23, 1997
Filed:
Jul. 24, 1996
Applicant:
Inventors:
Giuseppe Farruggia, Webster, NY (US);
Tukaram K Hatwar, Penfield, NY (US);
Michael P Cunningham, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B52B / ;
U.S. Cl.
CPC ...
428641 ; 428642 ; 428644 ; 428651 ; 4286 / ; 4286 / ; 4286 / ; 428913 ; 43027012 ; 4304951 ; 430945 ; 3692751 ; 369283 ; 369288 ;
Abstract
An optical recording medium comprising a substrate with grooves, a surface smoothing layer less than 1 .mu.m thickness deposited on the grooved substrate, and a recording layer. The medium reduces noise and improves sensitivity relative to media which do not have a surface smoothing layer.