Printing – Stenciling – Stencils
Patent
1992-10-29
1993-06-08
Burr, Edgar S.
Printing
Stenciling
Stencils
346 76PH, 400120, B41J 2335
Patent
active
052169510
ABSTRACT:
A thermal plate making apparatus including a thermal head having a plurality of heating elements arranged in a line. Each element has a shape having substantially four corners. And a protruding portion for enhancing heat generation is formed at each of at least two diagonal corners of the element.
REFERENCES:
patent: 4957378 (1990-09-01), Shima
patent: 5021806 (1991-06-01), Sugiyama
patent: 5045866 (1991-09-01), Chiba
patent: 5053792 (1991-10-01), Une
patent: 5105203 (1992-04-01), Kuwabara
patent: 5157414 (1992-10-01), Seino
Sato Mitsuo
Yokoyama Yasumitsu
Burr Edgar S.
Raciti Eric P.
Ricoh & Company, Ltd.
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