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. 24, 2012
Filed:
Jan. 28, 2008
Yoshitaka Hayashi, Yokohama, JP;
Noboru Sasa, Kawasaki, JP;
Toshishige Fujii, Yokohama, JP;
Masayuki Fujiwara, Kawasaki, JP;
Toshihide Sasaki, Yokohama, JP;
Masaki Kato, Machida, JP;
Masataka Mohri, Atsugi, JP;
Katsuyuki Yamada, Zama, JP;
Yoshitaka Hayashi, Yokohama, JP;
Noboru Sasa, Kawasaki, JP;
Toshishige Fujii, Yokohama, JP;
Masayuki Fujiwara, Kawasaki, JP;
Toshihide Sasaki, Yokohama, JP;
Masaki Kato, Machida, JP;
Masataka Mohri, Atsugi, JP;
Katsuyuki Yamada, Zama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An optical recording medium containing a substrate and a recording layer over the substrate, wherein the recording layer primarily contains Bi and O, and further contains B and at least one element X selected from Ge, Li, Sn, Cu, Fe, Pd, Zn, Mg, Nd, Mn and Ni, and a sputtering target containing Bi, B and at least one element X selected from Ge, Li, Sn, Cu, Fe, Pd, Zn, Mg, Nd, Mn and Ni.