GB2345348B - Reversible thermosensitive recording medium - Google Patents

Reversible thermosensitive recording medium

Info

Publication number
GB2345348B
GB2345348B GB9926316A GB9926316A GB2345348B GB 2345348 B GB2345348 B GB 2345348B GB 9926316 A GB9926316 A GB 9926316A GB 9926316 A GB9926316 A GB 9926316A GB 2345348 B GB2345348 B GB 2345348B
Authority
GB
United Kingdom
Prior art keywords
recording medium
thermosensitive recording
reversible thermosensitive
reversible
medium
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.)
Expired - Fee Related
Application number
GB9926316A
Other versions
GB9926316D0 (en
GB2345348A (en
Inventor
Morohosi Kunichika
Yoshihiko Hotta
Shigeyuki Harada
Kazumi Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB9926316D0 publication Critical patent/GB9926316D0/en
Publication of GB2345348A publication Critical patent/GB2345348A/en
Application granted granted Critical
Publication of GB2345348B publication Critical patent/GB2345348B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/36—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties
    • B41M5/363—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties using materials comprising a polymeric matrix containing a low molecular weight organic compound such as a fatty acid, e.g. for reversible recording
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/305—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers with reversible electron-donor electron-acceptor compositions

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
GB9926316A 1998-11-06 1999-11-05 Reversible thermosensitive recording medium Expired - Fee Related GB2345348B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31654298 1998-11-06
JP30222199A JP3871295B2 (en) 1998-11-06 1999-10-25 Thermoreversible recording medium, label, card, disk, disk cartridge, tape cassette and image processing method

Publications (3)

Publication Number Publication Date
GB9926316D0 GB9926316D0 (en) 2000-01-12
GB2345348A GB2345348A (en) 2000-07-05
GB2345348B true GB2345348B (en) 2003-05-28

Family

ID=26563024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9926316A Expired - Fee Related GB2345348B (en) 1998-11-06 1999-11-05 Reversible thermosensitive recording medium

Country Status (3)

Country Link
JP (1) JP3871295B2 (en)
DE (1) DE19953569C2 (en)
GB (1) GB2345348B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003136846A (en) * 2001-11-06 2003-05-14 Mitsubishi Plastics Ind Ltd Optical recording medium
WO2003101752A1 (en) 2002-06-03 2003-12-11 Ricoh Company, Ltd. Thermoreversible recording medium, thermoreversible recording label, thermoreversible recording member, image processing unit and method of image processing
JP4086252B2 (en) 2006-09-08 2008-05-14 株式会社リコー Information record erasing device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0535930A1 (en) * 1991-10-04 1993-04-07 Oki Electric Industry Co., Ltd. Thermoreversible recording material, thermoreversible recording medium and recording method
EP0543264A1 (en) * 1991-11-20 1993-05-26 Toppan Printing Co., Ltd. Rewritable thermosensitive recording medium
US5426086A (en) * 1993-09-03 1995-06-20 Ricoh Company, Ltd. Reversible thermosensitive recording medium
US5573976A (en) * 1994-11-16 1996-11-12 Mitsubishi Denki Kabushiki Kaisha Method of fabricating semiconductor laser

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995020491A1 (en) * 1994-01-28 1995-08-03 Ricoh Company, Ltd. Reversible heat-sensitive recording medium, and image forming and erasing method
JPH10100547A (en) * 1996-08-06 1998-04-21 Ricoh Co Ltd Reversible thermosensitive recording material
JP3760431B2 (en) * 1996-12-20 2006-03-29 株式会社リコー Reversible thermosensitive recording medium
DE69818567T2 (en) * 1997-07-18 2004-08-05 Ricoh Co., Ltd. Reversible thermosensitive recording material, process for its production, process for the use of this material and device using this material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0535930A1 (en) * 1991-10-04 1993-04-07 Oki Electric Industry Co., Ltd. Thermoreversible recording material, thermoreversible recording medium and recording method
EP0543264A1 (en) * 1991-11-20 1993-05-26 Toppan Printing Co., Ltd. Rewritable thermosensitive recording medium
US5426086A (en) * 1993-09-03 1995-06-20 Ricoh Company, Ltd. Reversible thermosensitive recording medium
US5573976A (en) * 1994-11-16 1996-11-12 Mitsubishi Denki Kabushiki Kaisha Method of fabricating semiconductor laser

Also Published As

Publication number Publication date
JP3871295B2 (en) 2007-01-24
JP2000198274A (en) 2000-07-18
GB9926316D0 (en) 2000-01-12
GB2345348A (en) 2000-07-05
DE19953569A1 (en) 2000-06-08
DE19953569C2 (en) 2003-04-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20141105