发明公开
- 专利标题: Recording head for ink jet recording, ink jet recording apparatus, and ink jet recording method
- 专利标题(中): 记录头,用于喷墨记录装置和喷墨记录方法
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申请号: EP14183322.8申请日: 2014-09-03
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公开(公告)号: EP2845734A3公开(公告)日: 2015-07-08
- 发明人: Sumikawa, Yuusuke , Suzuki, Shintaro
- 申请人: Canon Finetech Inc.
- 申请人地址: 14-1, Chuo 1-chome, Misato-shi, Saitama 341-8527 JP
- 专利权人: Canon Finetech Inc.
- 当前专利权人: Canon Finetech Inc.
- 当前专利权人地址: 14-1, Chuo 1-chome, Misato-shi, Saitama 341-8527 JP
- 代理机构: TBK
- 优先权: JP2013185451 20130906
- 主分类号: B41J2/155
- IPC分类号: B41J2/155 ; B41J2/16
摘要:
An ink jet recording head, including: a nozzle array of nozzle flow paths; ink ejection orifices communicating with the nozzle flow paths; heaters in the nozzle flow paths; and ink with which the head is filled, the ink containing a coloring material, an acetylene glycol-based surfactant, and water, the surfactant containing one or more kinds of an acetylene glycol or an ethylene oxide adduct thereof, an average addition number of moles of ethylene oxide of the whole surfactant being 3 to 7, the ink having a viscosity of 1.5 mPa·s to 3.0 mPa·s, the head comprising a line type head having an opening area of each ink ejection orifice of 100 µm 2 to 350 µm 2 , a total number of nozzles of 1,200 or more, a length of the nozzle array of 2 inches or more, and the head being driven at a frequency of 1 kHz to 10 kHz.
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