发明公开
- 专利标题: Ink-jet recording head and ink-jet recording apparatus
- 专利标题(中): 喷墨记录头和喷墨记录装置
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申请号: EP01124252.6申请日: 2001-10-16
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公开(公告)号: EP1199171A2公开(公告)日: 2002-04-24
- 发明人: Shimada, Masato , Miyata, Yoshinao , Kamei, Hiroyuki , Takahashi, Tetsushi
- 申请人: SEIKO EPSON CORPORATION
- 申请人地址: 4-1, Nishishinjuku 2-chome Shinjuku-ku, Tokyo 163-0811 JP
- 专利权人: SEIKO EPSON CORPORATION
- 当前专利权人: SEIKO EPSON CORPORATION
- 当前专利权人地址: 4-1, Nishishinjuku 2-chome Shinjuku-ku, Tokyo 163-0811 JP
- 代理机构: HOFFMANN - EITLE
- 优先权: JP2000315607 20001016; JP2000379199 20001213; JP2000386891 20001220
- 主分类号: B41J2/14
- IPC分类号: B41J2/14 ; B41J2/16
摘要:
Provided is an ink-jet recording head that prevents a vibration plate thereof from damage attributed to drive of a piezoelectric element, and an ink-jet recording apparatus. There are provided within a region facing the pressure generating chamber 12 a piezoelectric active portion 320 as a substantial drive portion of the piezoelectric element 300 and a piezoelectric non-active portions 330 having the piezoelectric layer continuous from the piezoelectric active portion but not being substantially driven, the piezoelectric non-active portions being provided on both end portions of the piezoelectric active portion in a longitudinal direction thereof, electrode wiring 90 drawn out of the upper electrode 80 is provided on one end portion in the longitudinal direction of the pressure generating chamber 12. And there is provided a protection layer 100 on the other end portion in the longitudinal direction of the pressure generating chamber 12 for protecting the vibration plate being provided in a region facing an end portion of the pressure generating chamber 12 and in region facing an end portion of the piezoelectric layer 70 within the region facing the pressure generating chamber. Rigidity of the vibration plate is thereby increased.
公开/授权文献
- EP1199171A3 Ink-jet recording head and ink-jet recording apparatus 公开/授权日:2003-04-09
信息查询
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