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 |
US2015085018(A1) |
申请公布日期 |
2015.03.26 |
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;B41J2/19;B41J2/14 |
主分类号 |
B41J2/155 |
代理机构 |
|
代理人 |
|
主权项 |
1. A liquid ejection head comprising:
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, wherein 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 |