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US7052817B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Information recording medium and method of producing the same

Assignee: Fujifilm Business Innovation Corp
•
Filing: 2003-09-25
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Granted: 2006-05-30
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Expires: 2023-09-25
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Abstract

Abstract An information recording medium including at least one electrophotographic laminate film in which a surface resistance of at least one surface is in a range of 10 8 to 10 13 Ω/□, and on which a toner image corresponding to information is formed; and an opaque core base material laminated on the surface of the electrophotographic laminate film, on which surface the toner image is formed.

Inventors

  • 👤 Kunio Sakurai
  • 👤 Tomoo Kobayashi
  • 👤 Kaoru Torikoshi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:45
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/18; B32B27/36; G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0806; G03G15/0812; B32B2307/00; B32B2307/40; B32B2307/41; Y; Y10; Y10T; Y10T428/00; Y10T428/24

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 66 words
An information recording medium comprising: at least one electrophotographic laminate film in which a surface resistance of at least one surface is in a range of 10 8 to 10 13 Ω/□, and on which a toner image corresponding to information is formed; and an opaque core base material laminated on a surface of the electrophotographic laminate film, on which surface the toner image is formed.
Claim 2
Dependent Claim 66 words
An information recording medium comprising: at least one electrophotographic laminate film in which a surface resistance of at least one surface is in a range of 10 8 to 10 13 Ω/□, and on which a toner image corresponding to information is formed; and an opaque core base material laminated on a surface of the electrophotographic laminate film, on which surface the toner image is formed.
Claim 3
Dependent Claim 30 words
The information recording medium of claim 1 , wherein a Vicat softening temperature of a substrate in the electrophotographic laminate film is in a range of 70 to 130° C.
Claim 4
Dependent Claim 14 words
The information recording medium of claim 1 , wherein the information is variable information.
Claim 5
Dependent Claim 15 words
The information recording medium of claim 3 , wherein the variable information is personal information.
Claim 6
Dependent Claim 27 words
The information recording medium of claim 1 , wherein a Vicat softening temperature of the core base material is in a range of 70 to 130° C.
Claim 7
Dependent Claim 29 words
The information recording medium of claim 1 , wherein the core base material is provided with a semiconductor circuit inside the core base material or on a surface thereof.
Claim 8
Dependent Claim 34 words
The information recording medium of claim 1 , wherein at least one of a substrate in the electrophotographic laminate film and the core base material contains a non-chlorine resin as a major component thereof.
Claim 9
Dependent Claim 66 words
The information recording medium of claim 1 , further comprising at least one coating layer disposed on a surface of a substrate in the electrophotographic laminate film, on which surface the toner image is formed, wherein the coating layer has a surface resistance in a range of 10 8 to 10 13 Ω/□ and a Vicat softening temperature in a range of 70 to 130° C.
Claim 10
Dependent Claim 39 words
The information recording medium of claim 1 , wherein a surface resistance of a surface of the electrophotographic laminate film, on which surface the toner image is formed, is in a range of 10 8 to 10 13 Ω/□.
Claim 11
Dependent Claim 33 words
The information recording medium of claim 1 , wherein the electrophotographic laminate film contains at least one material selected from the group consisting of a surfactant, a high-molecular conductive agent and conductive microparticles.
Claim 12
Dependent Claim 32 words
The information recording medium of claim 1 , wherein the electrophotographic laminate film contains a glossiness control layer on a surface thereof or has been processed by mechanical treatment for controlling glossiness.
Claim 13
Dependent Claim 17 words
The information recording medium of claim 1 , wherein the electrophotographic laminate film contains a matting agent.
Claim 14
Independent Claim 111 words
A method of producing an information recording medium, comprising: a latent image forming step of forming an electrostatic latent image corresponding to information on a surface of a latent image holding member; a developing step of developing the electrostatic latent image as a toner image; a transfer step of transferring the toner image to a transparent electrophotographic laminate film; and a laminating step of laminating a surface of the electrophotographic laminate film, on which surface the toner image is formed, with an opaque core base material, wherein a surface resistance of at least one surface of the electrophotographic laminate film is in a range of 10 8 to 10 13 Ω/□.
Claim 15
Independent Claim 111 words
A method of producing an information recording medium, comprising: a latent image forming step of forming an electrostatic latent image corresponding to information on a surface of a latent image holding member; a developing step of developing the electrostatic latent image as a toner image; a transfer step of transferring the toner image to a transparent electrophotographic laminate film; and a laminating step of laminating a surface of the electrophotographic laminate film, on which surface the toner image is formed, with an opaque core base material, wherein a surface resistance of at least one surface of the electrophotographic laminate film is in a range of 10 8 to 10 13 Ω/□.
Claim 16
Dependent Claim 28 words
The method of claim 13 , wherein a Vicat softening temperature of a substrate in the electrophotographic laminate film is in a range of 70 to 130° C.
Claim 17
Dependent Claim 25 words
The method of claim 13 , wherein a Vicat softening temperature of the core base material is in a range of 70 to 130° C.
Claim 18
Dependent Claim 33 words
The method of claim 13 , further comprising a fixing step of fixing the transferred toner image on the surface of the electrophotographic laminate film between the transfer step and the laminating step.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2009-05-29 2009-11-28 2010-05-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2013-05-29 2013-11-28 2014-05-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2017-05-29 2017-11-28 2018-05-30 $7700.00 Window Closed / Lapsed

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