JPS6339381A - Information recording medium - Google Patents

Information recording medium

Info

Publication number
JPS6339381A
JPS6339381A JP61184539A JP18453986A JPS6339381A JP S6339381 A JPS6339381 A JP S6339381A JP 61184539 A JP61184539 A JP 61184539A JP 18453986 A JP18453986 A JP 18453986A JP S6339381 A JPS6339381 A JP S6339381A
Authority
JP
Japan
Prior art keywords
status
polymer blend
phase
layer
change
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP61184539A
Inventor
Mitsuru Sawano
Masao Yabe
Original Assignee
Fuji Photo Film Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP61184539A priority Critical patent/JPS6339381A/en
Publication of JPS6339381A publication Critical patent/JPS6339381A/en
Application status is Pending legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used

Abstract

PURPOSE:To improve the processability and safety of two-surface information recording medium in which information recording and erasure can be performed based on a phase change by a laser beam by providing between two substrates a recording layer consisting of a polymer blend which may cause a status change between a phase melting status and a phase separation status due to temperature change. CONSTITUTION:Between two substrates 11, 16, a recording layer 13 consisting of a polymer blend which may cause a status change between a phase melting status and a phase separation status, and a light absorption layer 12 comprising a light absorbing substance provided adjacent to the recording layer 13 constitute a laminate. Either the recording layer 13 or the light absorption layer 12 may exist on the substrate side. And the polymer blend and the light absorbing material may exist in the same layer as a mixture. This information recording medium records information by projecting a laser beam to the light absorbing material so that it may absorb the beam and become heated; increasing the temperature of the polymer blend with that heating to above a clouding point between the phase melting status and the phase separation status; and changing the status followed by quenching and fixing this status change of the polymer blend. For the erasure operation, a light is uniformly projected to a layer including the light absorbing substance so that it may become heated to increase the temperature of the polymer blend to above the clouding point and slowly cool it.
JP61184539A 1986-08-05 1986-08-05 Information recording medium Pending JPS6339381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61184539A JPS6339381A (en) 1986-08-05 1986-08-05 Information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61184539A JPS6339381A (en) 1986-08-05 1986-08-05 Information recording medium

Publications (1)

Publication Number Publication Date
JPS6339381A true JPS6339381A (en) 1988-02-19

Family

ID=16154972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61184539A Pending JPS6339381A (en) 1986-08-05 1986-08-05 Information recording medium

Country Status (1)

Country Link
JP (1) JPS6339381A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63236685A (en) * 1987-03-16 1988-10-03 Roehm Gmbh Method of recording, storing and displaying optically readable information onto supporter
WO2001004886A1 (en) * 1999-07-12 2001-01-18 Tesa Ag Data memory

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63236685A (en) * 1987-03-16 1988-10-03 Roehm Gmbh Method of recording, storing and displaying optically readable information onto supporter
WO2001004886A1 (en) * 1999-07-12 2001-01-18 Tesa Ag Data memory

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