PRINTING HEAD FOR INK-JET PRINTING Russian patent published in 2011 - IPC B41J2/00 

Abstract RU 2431569 C1

FIELD: printing industry.

SUBSTANCE: printing head for ink-jet printing comprises multiple heat-supplying parts and multiple feed channels, besides, each of heat-supplying parts is equipped with ink from at least one feed channel and ejects supplied ink from an according ejecting hole due to application of heat energy of an element of direction conversion of electric energy into thermal one. Size of feed channel holes in direction perpendicular to direction of matrix of heat-supplying parts is made bigger that length in direction of elements of direct conversion of electric energy into thermal one. Feed channels are arranged along the matrix direction so that they are close to heat-supplying parts in direction of the matrix.

EFFECT: increased efficiency due to higher frequency of ink ejection and prevention of cross links among multiple heat-supplying parts, which makes it possible to print high-quality images with high speed.

10 cl, 20 dwg

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RU 2 431 569 C1

Authors

Tsutii Ken

Sakurai Masataka

Nakagava Josijuki

Saito Akiko

Dates

2011-10-20Published

2010-02-05Filed