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Study of High Definition Thermal Transfer Ink Ribbon
HIBINO, Ikuo 경북대학교 트라이볼로지연구소 2001 INTERNATIONAL SYMPOSIUM ON HIGH PERFORMANCE OF TRI Vol.2001 No.-
Analysis was made of the thermal transfer printing process and 600-dpi high-definition thermal transfer ink ribbons. The results of analysis of this printing process revealed that four factors would play an important role in high-definition thermal transfer ink ribbons: (1) enough rupture strength of ink under printing pressure, (2) adhesive strength of ink and paper, (3) thinning of the ink layer and (4) adhesive strength between the heated part of ink and the basefilm. Using 2.5 ㎛-thick PET film as the basefilm, a 600-dpi high-definition thermal transfer ink ribbon has been developed, with a 1.3 ㎛-thick thermoplastic resin layer based on ethylene-vinyl acetate copolymer superimposed on a 0.9 ㎛-thick wax layer. The ink transfer properties of the ink ribbon were evaluated using a pendulum-type viscoelastic properties measuring instrument, with attention focused on the logarithmic decrement -temperature property.
Mitsunobu Hibino 한국항만경제학회 1994 韓國港灣經濟學會誌 Vol.10 No.-
It was during the period of high economic growth in the 1960' s that ports called social attention as a part of environmental problem8 in Japan. Port8 were built because Japan had to greatly depend upon countries overseas for their natural resources to make our large consumption here possible. This generated pollution and environmental problems in the middle of the 1960' s. Finally the national Diet became concerned with these problems, and the roles that ports had to play began to be discussed. Richness we can get from 'materials' began to be reflected on national policies.<br/> Advanced countries had already entered the stage of nature 'highly industrialized society' Reforms on complete transportation systems by containers connected with many different countries greatly influenced the roles of the ports. Huge spaces for sorting out imported products and materials were reguired. And because of that, port facilities existing at that time became functionally outdated and they even became useless Furthermore, the decline of heavy industries such as steel manufaturing and ship building prompted the necessity of redevelopment of seaside areas.<br/> The objective of the present paper is to discuss 'Problems of ports in relation to the natural environment, ' Problems of Historic Scenery in Redevelopment of Ports, and future of ' Ports and Problems of Citizens' Lives' from the perspectives discussed in the first paragraph.
Kim, Yangjin,Hibino, Kenichi,Kizaki, Toru,Sugita, Naohiko,Mitsuishi, Mamoru Elsevier 2017 Precision engineering Vol.48 No.-
<P><B>Abstract</B></P> <P>The absolute optical thickness and surface shape of optical devices are considered as the fundamental characteristics when designing optical equipment. The thickness and surface shape should be measured simultaneously to reduce cost. In this research, the absolute optical thickness and surface shape of a 6–mm-thick fused silica transparent plate of diameter 100mm was measured simultaneously by a three-surface Fizeau interferometer. A measurement method combining the wavelength tuning Fourier and phase shifting technique was proposed. The absolute optical thickness that corresponds to the group refractive index was determined by wavelength tuning Fourier analysis. At the beginning and end of the wavelength tuning, the fractional phases of the interference fringes were measured by the phase shifting technique and optical thickness deviations with respect to the ordinary refractive index and surface shape were determined. These two kinds of optical thicknesses were synthesized using the Sellmeier equation for the refractive index of fused silica glass, and the least square fitting method was used to determine the final absolute optical thickness distribution. The experimental results indicate that the all the measurement uncertainties for the absolute optical thickness and surface shape were approximately 3nm and 35nm, respectively.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The absolute optical thickness and surface shape of a transparent plate were measured simultaneously using wavelength tuning. </LI> <LI> Two kinds of signal from interferogram were separated in the frequency domain using 4<I>N</I> − 3 phase shifting algorithm. </LI> <LI> 4<I>N</I> − 3 algorithm was used for compensating the phase shift errors and coupling errors. </LI> <LI> Two kinds of optical thicknesses were synthesized using Sellmeier equation and least square fitting. </LI> </UL> </P>