Title:
情報層中に吸光性化合物としてフタロシアニン色素を含有する光学データ記録媒体
Document Type and Number:
Japanese Patent JP2005500923
Kind Code:
A
Abstract:
The invention relates to an optical data carrier having a preferably transparent substrate that has optionally previously been coated with one or more reflection layers and to the surface of which has been applied a light-writeable information layer, optionally one or more reflection layers, and optionally a protective layer or a further substrate or a covering layer, such that the optical data carrier can be written on or read by means of blue light (preferably laser light having a specified wavelength) or by means of infrared light (preferably laser light having a specified wavelength), wherein the information layer contains (i) light-absorbent phthalocyanine dyes of the formula (I) where Me is a doubly axially substituted Si, Ge, and Sn atom, Pc is an unsubstituted phthalocyanine, and X1 and X2 are each independently halogen, and (ii) optionally, a binder.
Inventors:
Horst bernate
Friedrich-Karl Bruder
Wilfried Heeze
Liner hagen
Carlin Hasen Backpack
Sergey Kostromine
Peter Landenberger
Rafael Ozer
Thomas Sommerman
Josef-Walter Starwitz
Friedrich-Karl Bruder
Wilfried Heeze
Liner hagen
Carlin Hasen Backpack
Sergey Kostromine
Peter Landenberger
Rafael Ozer
Thomas Sommerman
Josef-Walter Starwitz
Application Number:
JP2003522922A
Publication Date:
January 13, 2005
Filing Date:
August 19, 2002
Export Citation:
Assignee:
Bayer Chemicals Actien Gezel Shaft
International Classes:
C09B44/10; C09B47/04; B41M5/26; C09B47/08; C09B67/00; C09B67/02; G11B7/0045; G11B7/007; G11B7/24; G11B7/244; G11B7/247; G11B7/248; G11B7/249; G11B7/26; G11B7/254; (IPC1-7): B41M5/26; G11B7/24
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel