Glazed layer for a thermal print head

Details Glazed layer for a thermal print head Glazed layer for a thermal print head

1994-06-29

1997-04-22

Tran, Huan H.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Specific resistance recording element type

B41J 2335

Patent

active

056232985

ABSTRACT:
In a thermal print head, a partial glazed layer has a width of 0.1 to 0.4 mm and a height of 15 to 25 .mu.m. With the partial glazed layer of this size, since the amount of accumulated heat is reduced, no trailing phenomenon would arise so as to improve the printing quality. It is also advantageous that no defective product will be manufactured because the glazed layer is not too small, with less energy consumption. As a result, a high-quality printing operation can be maintained even during such high-speed printing as not exceeding 1 ms per one line.

REFERENCES:
patent: 4476377 (1984-10-01), Tatsumi et al.
patent: 4707708 (1987-11-01), Kitagishi et al.
patent: 4743923 (1988-05-01), Nishiguchi et al.
patent: 5014135 (1991-05-01), Ijuin et al.

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