申请人:Matsui Fumio
公开号:US20090081401A1
公开(公告)日:2009-03-26
An optical recording medium which comprises a substrate and a recording layer provided on the substrate by using an organic dye compound having absorption maximum in a region with wavelengths longer than that of a writing light used, and which records information by allowing to irradiate the recording layer with the writing light to act on the organic dye compound to form a pit on the substrate.