Title:
情報層中に環化可能な化合物を含有する光学データ記録媒体
Document Type and Number:
Japanese Patent JP2004525801
Kind Code:
A
Abstract:
Optical data carrier comprising a preferably transparent substrate which may, if desired, have previously been coated with a protective layer and to whose surface a light-writable information layer, if desired a protective layer, if desired an adhesive layer and finally a covering layer have been applied, which can be written on and read by means of blue light, preferably laser light, where the information layer comprises a light-absorbent compound, characterized in that at least one dye which cyclizes thermally is used as light-absorbent compound.
Inventors:
Horst bernate
Friedrich-Karl Bruder
Wilfried Heeze
Liner hagen
Carlin Hasen Backpack
Sergey Kostromine
Peter Landenberger
Rafael Ozer
Thomas Sommerman
Josef-Walter Starwitz
Thomas belinger
Friedrich-Karl Bruder
Wilfried Heeze
Liner hagen
Carlin Hasen Backpack
Sergey Kostromine
Peter Landenberger
Rafael Ozer
Thomas Sommerman
Josef-Walter Starwitz
Thomas belinger
Application Number:
JP2002578496A
Publication Date:
August 26, 2004
Filing Date:
March 20, 2002
Export Citation:
Assignee:
Bayer Aktiengesellschaft
International Classes:
B41M5/26; C07D217/14; C07D217/16; C07D221/04; C07D311/12; C07D311/80; C07D405/04; C07D455/04; C07D471/04; C07D491/04; C07D491/052; C07F15/06; C09B23/00; C09B23/01; C09B23/04; C09B23/10; C09B29/00; C09B29/036; C09B29/36; C09B44/10; C09B47/04; C09B47/08; C09B47/26; C09B57/02; C09K9/02; G11B7/0045; G11B7/24; G11B7/244; G11B7/247; G11B7/248; G11B7/249; G11B7/254; G11B7/26; G11B7/007; (IPC1-7): B41M5/26; C07D217/16; C07D221/04; C07D311/80; C07D471/04; C07D491/052; C09B23/00; C09B57/02; 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