发明名称 |
INKJET HEAD, INKJET RECORDING APPARATUS, LIQUID DROPLET EJECTING APPARATUS, AND IMAGE FORMING APPARATUS |
摘要 |
An inkjet head is disclosed. In the inkjet head a vibrating plate is formed on a liquid chamber substrate on which multiple dedicated liquid chambers are aligned; a first insulating film and a second insulating film are formed between a dedicated electrode wiring and a lower electrode in an area in which the dedicated electrode wiring and the lower electrode overlap; a third insulating film and a fourth insulating film are stacked in an area which includes a forming area of the dedicated electrode wiring; in at least a portion of a forming area of the dedicated liquid chamber, there is provided a non-film forming area; and, in an area including a piezoelectric element forming section, either the first insulating film and the fourth insulating film are formed in the non-film forming area, or the fourth insulating film is formed in the non-film forming area. |
申请公布号 |
US2012236083(A1) |
申请公布日期 |
2012.09.20 |
申请号 |
US201213422136 |
申请日期 |
2012.03.16 |
申请人 |
MIZUKAMI SATOSHI;KATO MASAKI;KURODA TAKAHIKO;ABE KANSHI;AKIYAMA YOSHIKAZU;RICOH COMPANY, LTD. |
发明人 |
MIZUKAMI SATOSHI;KATO MASAKI;KURODA TAKAHIKO;ABE KANSHI;AKIYAMA YOSHIKAZU |
分类号 |
B41J2/045 |
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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