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:
Jul. 04, 1989
Filed:
Aug. 19, 1987
Applicant:
Inventor:
Suk Y Suh, Bridgewater, NJ (US);
Assignee:
Hoechst Celanese Corp., Somerville, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461351 ;
Abstract
Provided is a recording material comprised of a substrate and a metallic recording layer, with the metallic recording layer comprising alternating layers of Bi and Se metal. At least five such alternating layers are used to comprise the recording layer, with from 13 to 17 layers being preferred. The resulting recording material exhibits improved sensitivity, excellent storage stability and archivability, as well as good signal-to-noise ratio.