Title:
ビスピリジニウム化合物を含有する光情報記録媒体
Document Type and Number:
Japanese Patent JP4242976
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an optical information recording method of high reflectance, high sensitivity and high modulation factor. SOLUTION: In an information recording medium with a recording layer whereon information can be recorded by emitting laser beams of 550 nm or less wavelength on a base, the recording layer is an information recording medium containing a bispyridinium compound represented by a formula. In the formula, R1 and R2 represent independently substituents, R3 and R4 represent respectively alkyl, alkenyl, alkynyl, aralkyl, aryl or heterocyclic group, and R1 can be connected with R2, R1 can be connected with R3, R2 can be connected with R4, or R3 can be connected with R4 respectively to form rings, and (r) and (s) represent respectively 0-4 integers, and in the case (r) and (s) represent 2 or more, R1 and R2 forming a plurality can be same or different. -Xp- represents anions, (p) represents an integer of 1 or more, and (q) represents a number required for balancing the electric charge.
Inventors:
Shinichi Morishima
Yuhisa Usami
Noboru Komori
Yuhisa Usami
Noboru Komori
Application Number:
JP23882599A
Publication Date:
March 25, 2009
Filing Date:
August 25, 1999
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
B41M5/26
Domestic Patent References:
| JP10109475A | ||||
| JP11171870A | ||||
| JP6295469A | ||||
| JP11058955A | ||||
| JP11078239A |
Attorney, Agent or Firm:
Takeshi Takamatsu
Kiyozumi Yazawa
Kiyozumi Yazawa