| 发明名称 | Liquid ejection head | ||
| 摘要 | A liquid ejection head includes a plurality of ejection members, each having an ejection port for ejecting liquid and a liquid chamber for supplying liquid to the ejection port, a base substrate carrying the plurality of ejection members arranged thereon, the base substrate being provided with a common flow channel for supplying liquid to the plurality of liquid chambers, and a plurality of branch ports each allowing the common flow channel to communicate with the plurality of liquid chambers. Each of the branch ports is provided with a notch portion at an upstream side thereof as viewed in the flow direction of liquid flowing through the common flow channel. | ||
| 申请公布号 | US9469111(B2) | 申请公布日期 | 2016.10.18 |
| 申请号 | US201414477021 | 申请日期 | 2014.09.04 |
| 申请人 | Canon Kabushiki Kaisha | 发明人 | Yamada Kazuhiro;Moriya Takatsugu;Tamenaga Zentaro |
| 分类号 | B41J2/155;B41J2/14;B41J2/19 | 主分类号 | B41J2/155 |
| 代理机构 | Fitzpatrick, Cella, Harper & Scinto | 代理人 | Fitzpatrick, Cella, Harper & Scinto |
| 主权项 | 1. A liquid ejection head comprising: a plurality of ejection members that have an ejection port for ejecting liquid and a plurality of liquid chambers for supplying liquid to the ejection ports; a base substrate carrying the plurality of ejection members arranged thereon, the base substrate being provided with a common flow channel for supplying liquid to the plurality of liquid chambers; and a plurality of branch ports allowing the common flow channel to communicate with the plurality of liquid chambers, wherein an opening portion, fronting the common flow channel, of each of the branch ports is provided with a notch portion at an upstream side thereof as viewed in the flow direction of liquid flowing through the common flow channel. | ||
| 地址 | Tokyo JP | ||