Compact ink jet printhead

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 2/15 (2006.01) B41J 2/04 (2006.01)

Patent

CA 2451629

A compact thermal ink jet printhead including a printhead substrate (11), a plurality of side by side columnar arrays (61) of drop generators (40) formed in the printhead substrate, and drive circuits (85) formed in the printhead substrate for energizing each ink drop generator. The printhead substrate has an ink drop generator packing density of at least 10.43 ink drop generators per square millimeter.

L'invention concerne une tête d'impression à jet d'encre thermique compacte comportant un substrat de tête d'impression (11), une pluralité de générateurs de gouttelettes d'encre (40) organisés en réseaux de colonnes (61) côte à côte formés dans le substrat de tête d'impression, et enfin, des circuits d'attaque (85) formés dans le substrat de tête d'impression pour alimenter chaque générateur de gouttelettes d'encre. Le substrat de tête d'impression présente une densité d'enregistrement de générateur de gouttelettes d'encre d'au moins 10,43 générateurs de gouttelettes d'encres par millimètre carré.

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