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Image-formation apparatus

The technology of an imaging device and a heating device is applied in the direction of a printing device, printing, copying/marking method, etc., and can solve problems such as image definition reduction

Inactive Publication Date: 2003-08-27
NK WORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the contrary, if it is heated excessively, occurrence of ink bleeding (ink bleeding) is observed, which causes image sharpness to detrimentally decrease

Method used

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Embodiment Construction

[0055] First refer to figure 1 The recording medium 1 processed by the image forming apparatus of the present invention is described. This recording medium 1 includes a base 10 made of a sheet-like film, for example, a PEG (polyethyleneterephthalate (polyethyleneterephthalate)) sheet-like film, made of a material such as polyurethane resin and positioned on the surface of the base 10 A fixing layer 11 for fixing ink (ie, a colorant of the ink) therein, and a surface layer 12 located on the surface of the layer 11 and serving as a permeable layer allowing ink to permeate therethrough. In the case where the surface of the substrate 10 has properties allowing the colorant of the ink to be directly fixed thereon, the fixing layer 11 may be omitted. In use, droplets of sublimation ink, for example by an inkjet printer, are applied to the surface layer 12 of the recording medium 1 to form a printed image thereon, the printed image consisting of non-sublimated printed dots, and then...

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Abstract

An image forming apparatus for forming an image on a recording medium by heating the medium having ink applied to its surface layer by a heater device, thereby to fix the ink applied to the surface layer to a fixing layer of the recording medium. A heating controlling section (78) for controlling the heater device (4) includes a fixing behavior evaluating means (9) for evaluating a fixing behavior of the ink to the fixing layer and then outputting a control amount to the heating controlling section (78) for controlling the heater device (4). The fixing behavior evaluating means (9) includes such functions as a sublimation degree evaluating function for evaluating a sublimation degree of the ink in the recording medium (1), a function for evaluating surface temperature distribution of the recording medium or a transferred energy evaluating function for evaluating transferred energy received by each area of the recording medium (1).

Description

technical field [0001] The present invention relates to an image forming apparatus which forms an image on a recording medium by heating the medium on which ink is coated on the surface layer by heating means, thereby fixing the ink coated on the surface layer to a fixing layer of the recording medium . Background technique [0002] A typical conventional technique related to the above technical field is disclosed in Japanese Patent Application "Kokai" No.: Hei. 10-297197. According to this application, the metal substrate includes a colored primer layer also serving as an antirust layer, a transparent resin layer formed as an optically transparent resin layer on the colored primer layer (the resin layer is made of acrylic resin, polyester resin, polyurethane resin, etc.) , and an inkjet receiving layer formed on the resin layer and made of, for example, porous alumina. After inkjet printing sublimating ink or pigment is applied on the inkjet receiving layer, the sublimati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J11/00
CPCB41J11/002B41J11/00222
Inventor 志摩和伸西川英利石川正纯
Owner NK WORKS CO LTD
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