- 专利标题： Laminated substrate, liquid discharge head, and liquid discharge apparatus
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申请号： US16415216申请日： 2019-05-17
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公开(公告)号： US10792920B2公开(公告)日： 2020-10-06
- 发明人: Junichi Iwata , Yoshitaka Fujinuma , Kanshi Abe , Takayuki Nakai , Koji Kawahara
- 申请人： Junichi Iwata , Yoshitaka Fujinuma , Kanshi Abe , Takayuki Nakai , Koji Kawahara
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权： com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@7c5bad1a com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@21772b95
- 主分类号： B41J2/14
- IPC分类号： B41J2/14
摘要：
A liquid discharge head includes a plurality of nozzles arrayed in a nozzle array direction to discharge a liquid; a plurality of pressure chambers arrayed in the nozzle array direction and communicating with the plurality of nozzles, respectively; and a diaphragm forming a displaceable wall of each of the plurality of pressure chambers. The diaphragm includes a concave portion outside an arrangement region of the plurality of pressure chambers in which the plurality of pressure chambers is arrayed in the nozzle array direction.
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