发明名称 |
Liquid discharge head for inkjet printer |
摘要 |
A liquid discharging head includes: a plurality of nozzles 104 that discharge liquid droplets; and a plurality of piezoelectric elements 130 that generate pressure for discharging liquid droplets from the respective nozzles, wherein the piezoelectric elements are subjecyed to a repolarization process to set the non-uniformity of the droplet discharging characteristics of the nozzles to be in a predetermined range by combining adjustment of a polarization sensitivity and adjustment of a polarization voltage for each of the piezoelectric elements. |
申请公布号 |
GB2450419(A) |
申请公布日期 |
2008.12.24 |
申请号 |
GB20080011317 |
申请日期 |
2008.06.19 |
申请人 |
RICOH PRINTING SYSTEMS LTD. |
发明人 |
TAKAHIRO YAMADA;TOMOHIKO KODA;HITOSHI KIDA |
分类号 |
B41J2/045;B41J2/055;B41J2/135;B41J2/14;B41J2/16 |
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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