Analysis of the contrast expression and the resolution by sublimation dye thermal transfer

Hideshi Tanaka

doi:10.1117/12.19780

1 May 1990 Analysis of the contrast expression and the resolution by sublimation dye thermal transfer

Hideshi Tanaka

Proceedings Volume 1252, Hard Copy and Printing Technologies; (1990) https://doi.org/10.1117/12.19780
Event: Electronic Imaging: Advanced Devices and Systems, 1990, Santa Clara, CA, United States

Abstract

By flowing the electric current to heat elements of thermal head, the sublimation dye ink is heated, and the ink is transferd to receptacle paper. In this case, by diffrence of shape and pitch of heat elements, the quantity of ink transfer is varied, and so the optical density on the receptacle paper surface is varied. When the shape and pitch of heat elements are large, the optical density characteristic become none-linear, and so the maximum optical density cannot be high. On the other, when the shape and pitch of heat elements are small, the characteristic of optical density is good, and the maximum optical density obtain high. But the shape of heat elements cannot be too small, and when the pitch of heat elements is small, the printing data are increased, and so the printing speed become slow. We analized these influences in sublimation dye thermal transfer, and selected the condition of high optical density so that high resolusion can be realized.

Citation Download Citation

Hideshi Tanaka "Analysis of the contrast expression and the resolution by sublimation dye thermal transfer", Proc. SPIE 1252, Hard Copy and Printing Technologies, (1 May 1990); https://doi.org/10.1117/12.19780

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