INK JET PRINTING HEAD FITTED WITH FILTER FUNCTION

PROBLEM TO BE SOLVED: To provide an ink jet printing head having filter function constitution not unjustly suppressing the ink flow passing through a printing head. SOLUTION: An ink jet printing head 10 has an ink receiving via and is equipped with a chip layer 16 having at least one actuator 18. A...

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Bibliographische Detailangaben
Hauptverfasser:	RAULINAITIS MICHAEL, KELTY JANINE M, POWERS JAMES H, STEWARD LAWRENCE R, KAUFMAN MICAH A
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an ink jet printing head having filter function constitution not unjustly suppressing the ink flow passing through a printing head. SOLUTION: An ink jet printing head 10 has an ink receiving via and is equipped with a chip layer 16 having at least one actuator 18. A barrier layer is arranged adjacently to the chip layer 16 to form at least one throat 22 having width and a vertical section area. The barrier layer further forms at least one bubble chamber 20 and each throat 22 receives ink from the via to supply the same to each bubble chamber 20. A nozzle layer 14 is arranged adjacently to the barrier layer and, when ink is excited by the related actuator 18 thereof, at least one nozzle 12 for discharging ink from each bubble chamber is formed.