Liquid recording head
March 1, 2027. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesLiquid discharge head, driving method therefor, and cartridge, and image forming apparatus Ink jet recording head with extended electrothermal conversion element life and method of manufacturing the same Ink jet recording head Ink jet head and printer Ink jet head Ink jet head Printhead integrated circuit for a pagewidth inkjet printhead Patent #: 7178899 AbstractA liquid recording head includes an element substrate on which ejection energy generating elements for generating energy for ejecting droplets of liquid are provided in a staggered arrangement, ejection outlets provided opposed to the ejection energy generating elements, ejection energy generation chambers enclosing the ejection energy generating elements, and a flow path constituting member constituting first and second nozzles for supplying the liquid into the ejection energy generation chambers. The second nozzles have flow path lengths shorter than those of the first nozzles, the first and second nozzles are arranged alternately, and an average height of the paths of the first nozzles is greater than that of the paths of the second nozzles. | |
