AN ACOUSTIC INK JET PRINTHEAD DESIGN AND METHOD OF OPERATIONUTILIZING FLOWING COOLANT AND AN EMISSION FLUID

A droplet emitter with an array of droplet emitting devices constructed such that one flowing liquid is used to create the droplets while a second low acousti c impedance liquid can be used to both make the transfer of acoustic energy to the first liquid more efficient and help maintain a uniform te...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HADIMIOGLU, BABUR B, ROY, JOY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES NOZZLES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A droplet emitter with an array of droplet emitting devices constructed such that one flowing liquid is used to create the droplets while a second low acousti c impedance liquid can be used to both make the transfer of acoustic energy to the first liquid more efficient and help maintain a uniform temperature of the droplet emitter array. Both the emission fluid and the low acoustic impedance fluid can be circulated throug h the droplet emitter to allow for excess heat generated by control electronics to be transferred to the flowing. This prevents for instance excess heat build-up within the droplet emitter and allows for higher more accurate droplet emission.