Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 10, 2009
Patent Application Number
11489503
Date Filed
July 20, 2006
Patent Primary Examiner
Patent abstract
A liquid droplet ejection apparatus comprises: a nozzle from which a liquid droplet is ejected; a pressure chamber filled with liquid to which a pressure is applied in order to eject the liquid in a form of the liquid droplet from the nozzle; and a supply port which supplies the liquid to the pressure chamber, wherein inertance Mn of the nozzle, resistance Rn of the nozzle, compliance Cn of a nozzle section due to surface tension, inertance Ms of the supply port, and resistance Rs of the supply port satisfy the following two formulas:
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