THERMOGRAPHIC INKJET PRINTHEAD AND METHOD OF MANUFACTURING A THERMOGRAPHIC INKJET PRINTHEAD Russian patent published in 2021 - IPC B41J2/14 

Abstract RU 2746306 C2

FIELD: printing.

SUBSTANCE: present invention relates to a printhead for thermographic inkjet printing containing a liquid supply channel intended for liquid delivery, liquid chambers located near the liquid supply channel, resistors intended for introducing liquid into chambers located in ledges relative to the vertical lines of the printing contact. At least a portion of the fluid supply channel opposite the back of the printhead runs substantially perpendicular to the surface of the microcircuit, and the fluid channel has unevenly spaced edges that follow ledges relative to the resistors such that the length of the fluid path between the edge of the resistor and the corresponding unevenly spaced edge is essentially the same for each resistorа.

EFFECT: claimed invention is aimed at providing compensation for variations in the behavior of the liquid of electronic sections, in order to increase print head frequency.

5 cl, 37 dwg

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RU 2 746 306 C2

Authors

Soriani, Pier Luigi

Scardovi, Alessandro

Dates

2021-04-12Published

2017-05-19Filed