发明名称 |
Ink jet head and droplet ejection device having same mounted thereon |
摘要 |
An ink jet head includes: a chamber plate having a plurality of pressuring chambers formed therein for storing an ink; a vibrating plate bonded to the chamber plate; a housing having an ink flow path through which an ink is supplied into the pressuring chambers; an orifice through which an ink is ejected from the pressuring chambers; and a longitudinal vibration mode piezoelectric element for generating pressure under which an ink droplet is ejected through the orifice. A thickness of the vibration plate is from 5 mum to 10 mum.
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申请公布号 |
US7222946(B2) |
申请公布日期 |
2007.05.29 |
申请号 |
US20040824588 |
申请日期 |
2004.04.15 |
申请人 |
RICOH PRINTING SYSTEMS, LTD. |
发明人 |
MACHIDA OSAMU;SATOU KUNIO;SHIMIZU KAZUO;SUZUKI YOSHINARI |
分类号 |
B41J2/045;B41J2/055;B41J2/14 |
主分类号 |
B41J2/045 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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