| 发明名称 | Liquid discharge apparatus and method for producing the same | ||
| 摘要 | A liquid discharge apparatus includes: a pressure chamber; a film covering the pressure chamber; a piezoelectric element disposed on the film and including a piezoelectric part, a first electrode, and a second electrode, wherein the first electrode is disposed on a first side of the piezoelectric part facing the pressure chamber, and the second electrode is disposed on a second side of the piezoelectric part opposite the first side; a gold trace connected to the first electrode or the second electrode; and a first metal part made of a metal material except for gold and positioned between the film and the gold trace. The first metal part is laminated with the gold trace. | ||
| 申请公布号 | US9610771(B2) | 申请公布日期 | 2017.04.04 |
| 申请号 | US201514975963 | 申请日期 | 2015.12.21 |
| 申请人 | Brother Kogyo Kabushiki Kaisha | 发明人 | Tanaka Taiki;Kakamu Katsumi |
| 分类号 | B41J2/14;B41J2/16 | 主分类号 | B41J2/14 |
| 代理机构 | Banner & Witcoff, Ltd. | 代理人 | Banner & Witcoff, Ltd. |
| 主权项 | 1. A liquid discharge apparatus, comprising: a pressure chamber; a film covering the pressure chamber; a piezoelectric element disposed on the film and including a piezoelectric part, a first electrode, and a second electrode, wherein the first electrode is disposed on a first side of the piezoelectric part facing the pressure chamber, and the second electrode is disposed on a second side of the piezoelectric part opposite the first side; a gold trace connected to the first electrode or the second electrode; and a first metal part made of a metal material except for gold and positioned between the film and the gold trace, the first metal part being disposed only in an area of the film, which does not overlap with the pressure chamber, wherein the first metal part is laminated with the gold trace. | ||
| 地址 | Nagoya-shi, Aichi-ken JP | ||