Invention Grant
US07901064B2 Ink jet recording head with ink filter formed of a plurality of stacked films
有权
具有由多个层叠膜形成的油墨过滤器的喷墨记录头
- Patent Title: Ink jet recording head with ink filter formed of a plurality of stacked films
- Patent Title (中): 具有由多个层叠膜形成的油墨过滤器的喷墨记录头
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Application No.: US11625537Application Date: 2007-01-22
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Publication No.: US07901064B2Publication Date: 2011-03-08
- Inventor: Yoshinobu Urayama , Kenji Fujii , Masaki Ohsumi , Jun Yamamuro , Hiroyuki Murayama , Yoshinori Tagawa , Shuji Koyama
- Applicant: Yoshinobu Urayama , Kenji Fujii , Masaki Ohsumi , Jun Yamamuro , Hiroyuki Murayama , Yoshinori Tagawa , Shuji Koyama
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2006-025893 20060202
- Main IPC: B41J2/175
- IPC: B41J2/175 ; B41J2/05 ; B41J2/045

Abstract:
An ink jet recording head includes: a substrate; a plurality of ink discharge ports formed to a front face side of the substrate, and a plurality of ink flow paths communicating with the ink discharge ports; an ink supply opening extending through the substrate and communicating with the plurality of ink flow paths; and a filter formed in an opening portion of the ink supply opening arranged in the front face side of the substrate, the filter being constituted of two or more stacked films having formed therein a plurality of opening portions. In this case, the stacked films are arranged with a spacing therebetween.
Public/Granted literature
- US20070176990A1 INK JET RECORDING HEAD AND MANUFACTURING METHOD THEREOF Public/Granted day:2007-08-02
Information query
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