发明名称 |
Ink-jet printing head and method of producing the same |
摘要 |
<p>An ink-jet printing head comprises: a pressurizing chamber substrate having first and second sides opposing each other; a plurality of pressurizing chambers formed on the first side of the pressurizing chamber substrate; channels formed on the second side of the pressuring chamber substrate to be opposite to the pressuring chambers, respectively; oscillating plate films for pressurizing ink within the respective pressurizing chambers; and piezoelectric thin-film elements, each having upper and lower electrodes and a piezoelectric film sandwiched between the upper and lower electrodes, the piezoelectric thin-film being formed in the channel, wherein at least the upper electrode is formed to have a narrower width than that of the pressurizing chamber. And a method for producing the ink-jet head. <IMAGE></p> |
申请公布号 |
EP1245391(A2) |
申请公布日期 |
2002.10.02 |
申请号 |
EP20020014251 |
申请日期 |
1996.11.25 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
SHIMADA, MASATO;TAKAHASHI, TETSUSHI;NISHIWAKI, TSUTOMU;HASHIZUME, TSUTOMU |
分类号 |
B41J2/16;B41J2/045;B41J2/055;B41J2/14;(IPC1-7):B41J2/16 |
主分类号 |
B41J2/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|