| 发明名称 | Liquid discharge head | ||
| 摘要 | A liquid discharge head includes a print element substrate provided with discharge ports, through which liquid is discharged; and a support member having a liquid chamber, which is provided with a communicating opening that communicates with the discharge ports, wherein the liquid chamber has a first surface provided with the communicating opening, and a second surface facing the first surface, the second surface is provided with a buffer chamber, which is a hollow space for storing gas, and the buffer chamber has, in the second surface, an opening having a projecting portion projecting toward the inner side of the opening. | ||
| 申请公布号 | US9630409(B2) | 申请公布日期 | 2017.04.25 |
| 申请号 | US201615215044 | 申请日期 | 2016.07.20 |
| 申请人 | Canon Kabushiki Kaisha | 发明人 | Hamada Yoshihiro;Oikawa Masaki;Yamada Hiroshi;Omura Atsushi;Kodoi Takuma;Kuroda Tomotsugu;Tenkawa Tomoyuki;Matsui Monta |
| 分类号 | B41J2/14 | 主分类号 | B41J2/14 |
| 代理机构 | Canon U.S.A. Inc., IP Division | 代理人 | Canon U.S.A. Inc., IP Division |
| 主权项 | 1. A liquid discharge head comprising: a print element substrate provided with discharge ports, through which liquid is discharged; and a support member having a liquid chamber, which is provided with a communicating opening that communicates with the discharge ports, wherein the liquid chamber has a first surface provided with the communicating opening, and a second surface facing the first surface, the second surface is provided with a buffer chamber, which is a hollow space for storing gas, and the buffer chamber has, in the second surface, an opening having a projecting portion projecting toward the inner side of the opening. | ||
| 地址 | Tokyo JP | ||