Journal of The Society of Photographic Science and Technology of Japan
Online ISSN : 1884-5932
Print ISSN : 0369-5662
ISSN-L : 0369-5662
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Volume 52, Issue 1
Displaying 1-12 of 12 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1989 Volume 52 Issue 1 Pages 1
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.1
    JOURNAL FREE ACCESS
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  • Stability and Preservation of Photographic Images
    Klaus B. Hendriks, [in Japanese]
    1989 Volume 52 Issue 1 Pages 3-20
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.3
    JOURNAL FREE ACCESS
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    Conventional photographic images-which are made by processes that are based on the light sensitivity of certain silver salts-constitute the large majority of all recorded images in existence. Consequently, more knowledge and experience regarding their permanence has been accumulated throughout the history of photography than with any other imaging system. These conventional images can conveniently be divided into black-and-white photographs and color photographs. The fac2ors affecting the stability of these images are reviewed.
    Recommendations for their preservation that are derived from stability data, are presented with regard to storage environments, filing enclosures, copying and duplication, handling and display of photographs, etc. During the past three decades or so, electronic imaging has invaded the traditional forms of photography. The resultant images, magnetically recorded on tapes and discs and on optical digital discs, can be displayed on television monitors, or they can be converted to hardcopy by a variety of processes. Much less knowledge is available on the stability of magnetically recorded images, either anolog or digitally, and their hardcopy printouts by inkjet printing, thermal transfer and other processes. Since the purpose of developing these more secondary techniques was most likely not the creation of media for the permanent storage of images and other data, different criteria for the survival of the stored data may have to be proposed.
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  • Effects of Impurities in Pure Silver Behenate upon Photographic Characteristics of Thermally Processed Silver Film
    Yoshio HAYASHI, Tsutomu AKAGI, Shozo KINOSHITA, Ryo HIROHASHI
    1989 Volume 52 Issue 1 Pages 21-27
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.21
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    The relationship between impurities of silver behenate and their synthetic conditions is investigated to produce the thermally processed silver (TPS) film on an industrial scale under the well controlled manufacturing conditions.
    Fogging (ODmin) increases as pH of sodium behenate solution shifts to a high alkaline side, in spite of no detective difference of the final products (silver behenate) by chemical analysis.
    This suggests the possibility that Ag2O in the salt and/or reducing catalytic substances from its Ag2O cause fogging from the TPS film.
    On the other hand, although chemical composition of the salt is widely changed in an acidic region by more excess HNO3, it hardly affects any initial photographic characteristics.
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  • Studies on Physical Development (VII)
    Devendence of the Rate of Postfixation Physical Developmenton Silver Complexing Agent-
    Naokazu AOKI, Nobuo MII, Kenichi KUGE
    1989 Volume 52 Issue 1 Pages 28-32
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.28
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    It has been investigated why thiocyanate as a complexing agent gives larger rate for postfixation physical development than thiosulfate when developers are adjusted to equal activity of silver ion and ionic strength as shown in our previous papers.
    From the adaptation to Matejec's formulation for diffusion-controlled physical development and the apparent activation energy of 34-36 kJ mol-1 which is within the range of heats for diffusion-controlled processes, it is concluded that in the postfixation physical development, the determining step is the diffusion of developing agent or agents to the nuclei suface.
    Thiosulfate retards significantly the diffusion of developing agent in the gelatin layer, and then slows down the rate of development.
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  • Filter Effect in Electrophotography
    Seiichi TAGUCHI, Satoru HONJO, Shuichi OHTSUKA, Masaaki TAKIMOTO
    1989 Volume 52 Issue 1 Pages 33-40
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.33
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    The effect of exposure distribution in an image recording layer on the tone reproduction curve shape was investigated for three imaging processes; photo-migration imaging, tanningdeveloped AgX photography and photo-chemical conversion of Rhodamine B film. The exposure distribution was modulated by adopting top and through-base exposures.
    The two exposure modes markedly changed the tone reproduction curve as well as the spectral response of each of these psocesses. Such results were explained by taking into consideration a development (or imaging event) probability function depending on the distance from the base surface.
    The significance of filter effect for the tone reproduction in an image recording system based on image display by light absorption is discussed.
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  • Color Reproduction of Fujicolor REALA
    Noboru SASAKI, Koji TAKAHASI, Hideto IKOMA
    1989 Volume 52 Issue 1 Pages 41-48
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.41
    JOURNAL FREE ACCESS
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    We have recently developed a novel color print film “REALA” with excellent color reproduction quality. This has been realized by incorporating the fourth light sensitive layer in addition to the conventional red-, green-, and blue-sensitive layers. The fourth layer (CL layer) is sensitive to cyan color (ca. 470-540 nm) and it releases development inhibitors in proportion to the degree of light exposure in order to give a due inter-image effect to the red-sensitive layer thus approximately realizing the negative lobe of color matching functions. In addition, the spectral sensitivities and interimage effects for the conventional three layers have also been optimally designed based upon the color reproduction theory. As a result of these optimization, color mismatches for yellow green colors, certain fabric colors, or deep purple to blue flower colors, which are rather difficult to photograph exactly in previous color print films, have been remarkably improved. It should be also pointed out that the color mismatches caused by photographing under fluorescent lamps are also dramatically relieved thus reproducing all object colors most naturally.
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  • Applied Spectroscopy for Surface Analysis
    Yoshiro YONEZAWA, Tadashi WATANABE
    1989 Volume 52 Issue 1 Pages 49
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.49
    JOURNAL FREE ACCESS
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  • Infrared Spectroscopy at Solid Surfaces
    Masatoshi OSAWA, Wataru SUETAKA
    1989 Volume 52 Issue 1 Pages 50-55
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.50
    JOURNAL FREE ACCESS
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  • Electron Energy Loss Spectroscopy of Solid Surfaces
    Makoto SAKURAI, Tatsuo OKANO
    1989 Volume 52 Issue 1 Pages 56-61
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.56
    JOURNAL FREE ACCESS
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  • Surface Enhanced Raman Scattering from Langmuir-Blodgett Films
    Tohru TAKENAKA
    1989 Volume 52 Issue 1 Pages 62-69
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.62
    JOURNAL FREE ACCESS
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  • Elemental Analyses by Electron Spectroscopy
    Hiroshi SAIJO
    1989 Volume 52 Issue 1 Pages 70-79
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.70
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  • [title in Japanese]
    1989 Volume 52 Issue 1 Pages 86-93
    Published: February 28, 1989
    Released on J-STAGE: August 11, 2011
    DOIhttps://doi.org/10.11454/photogrst1964.52.86
    JOURNAL FREE ACCESS
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