Title:
複数の発色中心を有する吸光性化合物を情報層中に含有する光学データ記録媒体
Document Type and Number:
Japanese Patent JP2004524198
Kind Code:
A
Abstract:
Optical data carrier comprising a preferably transparent substrate which may, if desired, have previously been coated with a reflection layer and to whose surface a light-writeable information layer, if desired a reflection layer and if desired a protective layer or a further substrate or a covering layer have been applied, which can be written on or read by means of blue, red or infrared light, preferably laser light, where the information layer comprises a light-absorbent compound and, if desired, a binder, characterized in that the light-absorbent compound has at least two identical or different chromophoric centers and has at least one absorption maximum in the range from 340 to 820 nm.
Inventors:
Horst bernate
Thomas belinger
Friedrich-Karl Bruder
Liner hagen
Carlin Hasen Backpack
Sergey Kostromine
Rafael Ozer
Thomas belinger
Friedrich-Karl Bruder
Liner hagen
Carlin Hasen Backpack
Sergey Kostromine
Rafael Ozer
Application Number:
JP2002584311A
Publication Date:
August 12, 2004
Filing Date:
March 20, 2002
Export Citation:
Assignee:
Bayer Aktiengesellschaft
International Classes:
B41M5/26; C07D217/14; C07D221/04; C07D311/12; C07D311/80; C07D455/04; C07D491/04; C07F15/06; C09B23/01; C09B23/04; C09B23/10; C09B29/00; C09B29/036; C09B29/36; C09B44/10; C09B47/04; C09B47/08; C09B47/26; C09K9/02; G11B7/0045; G11B7/24; G11B7/244; G11B7/247; G11B7/248; G11B7/249; G11B7/254; G11B7/26; G11B7/007; (IPC1-7): B41M5/26; G11B7/24; G11B7/26
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel