Journal of Printing Science and Technology
Online ISSN : 1882-4935
Print ISSN : 0914-3319
ISSN-L : 0914-3319
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Volume 30, Issue 6
Displaying 1-8 of 8 articles from this issue
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  • Special Reviews (I): Measurment and Evaluation in Printing Processes Application of Analytical Thechnology to Printing Industry
    (5) The Latest Analytical Technology in Printing Industry
    Kouji KURODA
    1993 Volume 30 Issue 6 Pages 346-351
    Published: November 30, 1993
    Released on J-STAGE: September 27, 2010
    DOIhttps://doi.org/10.11413/nig1987.30.346
    JOURNAL FREE ACCESS
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    Printed image consists of 10 to 200μm dots. The analysis should be done at less than 10μm resolution to aquire material data as small as processing size. The new products such as photomask, hologram and LCD color filter require less than 1μm resolution of processing, uniformity and analysis as well. Various functions correspond to material structure, chemical state and morphology at certain depth layer. Functions such as lubrication, wettability, releasing and adhesion correspond to 10 to 100Å depth layer. The next target analysis area will be submicron resolution and from 10Å to 1μm depth.
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  • Special Reviews (I): Measurment and Evaluation in Printing Processes
    (5) The Latest Analytical Technology in Printing Industry Analysis of Papers by Means of Color Mapping Technique Using EPMA (Electron Probe X-ray Microanalyzer)
    Tadahira HAMADA
    1993 Volume 30 Issue 6 Pages 352-365
    Published: November 30, 1993
    Released on J-STAGE: September 27, 2010
    DOIhttps://doi.org/10.11413/nig1987.30.352
    JOURNAL FREE ACCESS
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    The color mapping technique by using EPMA (Electron Probe Microanalyzer) was found very effective to measure the distribution of paper constituents such as pigments, SB-latex and silicone. In this paper, the principle and mechanism of EPMA were briefly described and several examples of color mapping applied to coated paper, cast coated paper and release liner were demonstrated. The relationship of latex distribution to ink mottles on the coated paper surfaces was studied by means of the wide area state electron probe analyzer. It was recognized that the ink mottle was caused by ununiform distribution of latex on the coated paper surface.
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  • Special Reviews (I): Measurment and Evaluation in Printing Processes
    (5) The Latest Analytical Technology in Printing Industry General Remarks Technical Method of Evaluation for Coating Materials
    Takeyuki TANAKA
    1993 Volume 30 Issue 6 Pages 366-373
    Published: November 30, 1993
    Released on J-STAGE: September 27, 2010
    DOIhttps://doi.org/10.11413/nig1987.30.366
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    The coatings are made of many kinds of raw materials. Their separation and component analysis are essential technology for the coatings characterization. Their properties are also determined by the resin texture formed through solvent evaporating and resin curing process. The film forming process is analysed reologically in correspond to IR and chemiluminescence spectra. The weathering degradation is caused by combination of several enviromental conditions, and the accelerated test for weathering resistance evaluation should be done from points of optical, physical and chemical analysis.
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  • Overview of the Kodak Photo CD System and Related Application
    Kouichi OSADA
    1993 Volume 30 Issue 6 Pages 374-379
    Published: November 30, 1993
    Released on J-STAGE: September 27, 2010
    DOIhttps://doi.org/10.11413/nig1987.30.374
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    Since the Kodak Photo CD System became available, many consumers are using Photo CD discs and Players to view their photographs on television. Also, imaging professionals are interested in the capability of Photo CD, such as a way to store images at low cost, in a high-resolution digital format that can be played back on different computer platforms. However, because of the unique color-encoding scheme, some customers in commercial imaging industry grope for the best usage with Photo CD images. Therefore, this paper describes the architecture of Photo CD System including the Photo YCC color-encoding scheme, and also describes the Kodak color management function that is a key issue to assure the image quality in the printing and publishing industry.
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  • Behaviour of Liquid Penetration into Paper and Other Porous Substances Using by Ultrasonic Wave Means (II)
    The Relation Between Structure of Printing Paper and the Initial Stage of Penetration
    Tsuneo TANAKA, Yukimichi SOMEYA
    1993 Volume 30 Issue 6 Pages 380-389
    Published: November 30, 1993
    Released on J-STAGE: September 27, 2010
    DOIhttps://doi.org/10.11413/nig1987.30.380
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    In a previous paper the dependence of ultrasonic wave attenuation on penetration into porous media was investigated. In that method nitrocellulose membrane filters were in contact with aqueous and nonaqueous liquid systems through irradiation of 2 MHz of ultrasonic wave. The present paper relates application of the above method to commercial sized papers mainly including coated high-grade printing papers structurely far more complicated. The purpose also intends to obtain some useful information about the wetting and the liquid absorption of the papers. In this study ultrasonic attenuation versus contact time curves obtained for seven kinds of specimens were analyzed. Three characteristics parameters specifying the initial penetration behaviour for each sample were determined and compared with physical characteristics of those specimens. Results of correlation analysis suggest that the change in ultrasonic attenuation at the initial stage of liquid penetration still depends on the pore size obtained by mercury intrusion method.
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  • The Application of Titanium Dioxide Photoreceptor to Lithographic Printing Plate (II)
    Effect of Fountain Solution on Print Quality
    Sadao MURASAWA, Youichi ISHIBAI, Mizuho OKADA, Hajime MURAKAMI
    1993 Volume 30 Issue 6 Pages 390-395
    Published: November 30, 1993
    Released on J-STAGE: September 27, 2010
    DOIhttps://doi.org/10.11413/nig1987.30.390
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    The quality of the print using Titanium Dioxide (TiO2) lithographic plate is investigated in the aspects of the amount of fountain solution. In offset printing, print quality depends on the balance of ink and fountain solution. Compared with coventional PS plate and Zinc Oxide lithographic plate, TiO2 plate is capable of producing high image quality print by lesser amount of fountain solution. Moreover, the image quality is little affected by the increase of fountain solution. This is because the surface of TiO2 plate has high wettability from the solution and because the porosity in TiO2 layer keeps excess fountain solution.
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  • A Technique for Constructing Three Dimensional Model from A Sketch
    Caiming Zhang, Takeshi Agui, Hiroshi Nagahashi
    1993 Volume 30 Issue 6 Pages 396-401
    Published: November 30, 1993
    Released on J-STAGE: September 27, 2010
    DOIhttps://doi.org/10.11413/nig1987.30.396
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    A technique for simplifying 3-D model construction from a sketch is described. The sketched object is divided into many components, and their 3-D data are inputted. Then after constructing surface patches for each component, all the patches are connected together to form the three dimensional model. The present paper proposes a new technique to connect them. The technique enables to construct a surface patch from two or three surface patches by connecting them with C1 continuity. The experiments show that the shapes of objects constructed by this technique are desirable.
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  • [title in Japanese]
    Yoichi HONAMI
    1993 Volume 30 Issue 6 Pages 402-403
    Published: November 30, 1993
    Released on J-STAGE: September 27, 2010
    DOIhttps://doi.org/10.11413/nig1987.30.402
    JOURNAL FREE ACCESS
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