04458004 is referenced by 47 patents and cites 5 patents.

An optical information recording medium capable of recording optical information thereon by application of high density energy beams thereto, the recorded information being thereafter reproducible therefrom, comprising a base and a recording layer formed on the base, the recording layer comprising a fluorine phthalocyanine of the following formula and capable of absorbing light with a wavelength of 700 nm or more: ##STR1## where M represents a member selected from the group consisting of hydrogen, a metal, a metal oxide and a metal halide, X represents fluorine; and n is an integer from 1 to 16.

Title
Optical information recording medium
Application Number
6/422414
Publication Number
4458004
Application Date
September 23, 1982
Publication Date
July 3, 1984
Inventor
Kiyoshi Tanikawa
Yokohama
JP
Agent
Flynn Thiel Boutell & Tanis
Assignee
Ricoh Company
JP
IPC
G03C 1/78
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