Title:
情報層中に染料を光吸収性化合物として含有する光学データ媒体
Document Type and Number:
Japanese Patent JP2005505092
Kind Code:
A
Abstract:
Optical data medium containing in the information layer, a dye as a light-absorbing compound Abstract optical data medium containing a preferably transparent substrate which is optionally already coated with one or more barrier layers and on the surface of which an information layer which can be recorded on using light, optionally one or more barrier layers, and a cover layer containing a radiation-cured resin, have been applied, which data medium can he recorded on and read using focused blue light through the cover layer on the information layer, preferably laser light with the wavelength between 360 nm and 460 nm, the information layer containing a light-absorbing characterized in that at least one dye is used as the light-absorbing compound wherein the cover layer dies have a total thickness of 10 mum 177 m and the numerical aperture NA of the focusing objective lens setup is greater or equal 0.8.
Inventors:
Horst bernate
Friedrich-Karl Bruder
Yuichi Sahi
Masanobu Yamamoto
Wilfried Heeze
Carlin Hasen Backpack
Sergey Kostromine
Peter Landenberger
Thomas sommerman
Josef-Walter Starwitz
Liner hagen
Rafael Ozer
Christa-Maria Kruger
Timo Meier-Friedrichsen
Sakuya Tamada
Friedrich-Karl Bruder
Yuichi Sahi
Masanobu Yamamoto
Wilfried Heeze
Carlin Hasen Backpack
Sergey Kostromine
Peter Landenberger
Thomas sommerman
Josef-Walter Starwitz
Liner hagen
Rafael Ozer
Christa-Maria Kruger
Timo Meier-Friedrichsen
Sakuya Tamada
Application Number:
JP2003533274A
Publication Date:
February 17, 2005
Filing Date:
September 27, 2002
Export Citation:
Assignee:
バイエル ケミカルズ アクチエンゲゼルシャフト
ソニー株式会社
ソニー株式会社
International Classes:
C09B44/10; C09B47/08; C09B67/02; G11B7/0045; G11B7/244; G11B7/007; G11B7/135; G11B7/24; G11B7/247; G11B7/248; G11B7/2492; G11B7/26; G11B7/2475; G11B7/2542; G11B7/257; (IPC1-7): G11B7/24; G11B7/135; G11B7/26
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard