VERFAHREN UND VORRICHTUNG ZUM SICH ÜBER DIE BREITE DES BLATTES ERSTRECKENDEM TINTENSTRAHLDRUCKEN

摘要

A page wide ink jet printhead employed in a printer for printing characters on a print medium. The print medium progresses in a path through the printer during printing. The page wide ink Jet printhead includes print nozzles selectively aligned across the width of the print medium allowing the printhead to remaining stationary; a means for selectively ejecting ink through particular nozzles, which means is formed of a piezoelectric material which has microgrooves therein; ink residing in the microgrooves for ejection therefrom; sidewalls of the microgrooves which act as actuators to cause ink to be ejected from the microgrooves in response to an electrical pulse supplied thereto; and electrical circuitry to appropriately direct the electrical pulse to create an electric field across particular microgrooves to obtain a desired print character formed from ink droplets ejected from the microgrooves.