Invention Grant
- Patent Title: Optical information recording medium
- Patent Title (中): 光信息记录介质
-
Application No.: US12104078Application Date: 2008-04-16
-
Publication No.: US08014262B2Publication Date: 2011-09-06
- Inventor: Fumi Hara , Takeshi Otsu , Masashi Satoh , Shingo Katoh , Isao Matsuda
- Applicant: Fumi Hara , Takeshi Otsu , Masashi Satoh , Shingo Katoh , Isao Matsuda
- Applicant Address: JP Tokyo
- Assignee: Taiyo Yuden Co., Ltd.
- Current Assignee: Taiyo Yuden Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Law Office of Katsuhiro Arai
- Priority: JP2007-110869 20070419
- Main IPC: G11B3/70
- IPC: G11B3/70

Abstract:
An optical information recording medium includes a substrate having a through-hole provided at the central portion thereof and a guiding groove provided on a surface at the light-incident side; a reflective layer provided on the surface of the substrate having the guiding groove; a recording layer provided on the reflective layer and made of an organic substance containing a dye; and a light-transmissive cover layer provided on the recording layer, wherein the cover layer is made of a curable resin, and a modulus of elasticity of at least a portion of the cover layer facing the recording layer is in the range of about 34 MPa to about 96 MPa at 25° C.
Public/Granted literature
- US20080259762A1 OPTICAL INFORMATION RECORDING MEDIUM Public/Granted day:2008-10-23
Information query
IPC分类: