US Patent 7722159 Inkjet head and inkjet recording device
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Patent abstract
There is provided an inkjet head including a nozzle plate in which a plurality of nozzles from which ink is ejected are formed. The nozzle plate has a nozzle surface on which nozzle orifices corresponding to the plurality of nozzles are formed. The nozzle surface has surface roughness Rz in a range from 0.3 to 5 μm formed by a roughening process. The ink has surface tension in a range from 28 to 35 mN/m.
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Patent Inventor Names
Akiko Noguchi0
Takao Hyakudome0
Takeshi Asano0
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US Patent 07722159 Inkjet head and inkjet recording device US Patent 7722159 Inkjet head and inkjet recording device
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Patent Number
07722159
Patent Number
7722159
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US Patent 07722159 Inkjet head and inkjet recording device
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Is a
Patent jurisdiction
Patent number
07722159
Date of patent
May 25, 2010
Patent application number
11364081
Date Filed
March 1, 2006
Patent primary examiner
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