Publication number: 20010041304
Abstract: The present invention provides an optical information medium having excellent weather resistance and repeating characteristics. The optical information medium has a barrier layer between a protective layer and a recording layer. The barrier layer includes GeN or GeON, and at least one element selected from the group consisting of Al, B, Ba, Bi, C, Ca, Ce, Cr, Dy, Eu, Ga, H, In, K, La, Mn, N, Nb, Ni, Pb, Pd, S, Si, Sb, Sn, Ta, Te, Ti, V, W, Yb, Zn and Zr.
Type:
Application
Filed:
September 3, 1999
Publication date:
November 15, 2001
Applicant:
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Inventors:
MAYUMI UNO, NOBORU YAMADA, KATSUMI KAWAHARA, HIROYUKI OHTA, EIJI OHNO, KEN?apos;ICHI NAGATA