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Patent Searching and Data


Title:
光記録媒体
Document Type and Number:
Japanese Patent JP2005504649
Kind Code:
A
Abstract:
An optical recording medium having at least a recording layer 11 and a light transmitting layer 13 formed on a substrate 10 , in which the recording layer 11 is made of an organic material for absorbing an incident light of wavelength of 360 nm to 460 nm, and inducing physical change or chemical change to vary the refractive index, the light transmitting layer 13 is 10 mum to 177 mum in thickness, the relation between absorption coefficient "k" and pyrolysis temperature Tdec of organic material is 950(° C.)<(Tdec (° C.)-20)/k<4100° C. (1), and the absorption coefficient "k" is k>0.0.

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
Yuichi Sahi
Taka Iwamura
Mitsuaki Oyamada
Hidetoshi Watanabe
Sakuya Tamada
Masanobu Yamamoto
Application Number:
JP2002578497A
Publication Date:
February 17, 2005
Filing Date:
March 20, 2002
Export Citation:
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Assignee:
バイエル アクチェンゲゼルシャフト
ソニー株式会社
International Classes:
C07D217/14; C07D221/04; B41M5/26; C07D311/12; C07D311/80; C07D405/04; 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; C09B67/02; C09B69/02; C09K9/02; G11B7/0045; G11B7/007; G11B7/24; G11B7/244; G11B7/246; G11B7/2467; G11B7/2472; G11B7/248; G11B7/249; G11B7/26; G11B7/253; G11B7/2534; G11B7/2542; G11B7/257; G11B7/2578; G11B7/258; G11B7/259; (IPC1-7): B41M5/26; G11B7/24
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard



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