JP4992414B2 - 液滴吐出ヘッド及び液滴吐出装置 - Google Patents
液滴吐出ヘッド及び液滴吐出装置 Download PDFInfo
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- JP4992414B2 JP4992414B2 JP2006345153A JP2006345153A JP4992414B2 JP 4992414 B2 JP4992414 B2 JP 4992414B2 JP 2006345153 A JP2006345153 A JP 2006345153A JP 2006345153 A JP2006345153 A JP 2006345153A JP 4992414 B2 JP4992414 B2 JP 4992414B2
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Description
32 インクジェット記録ヘッド(液滴吐出ヘッド)
41 天板
42 電気接続用貫通口
44 インク供給用貫通口
46 圧電素子
48 振動板
50 連通路
52 下部電極(第2電極)
54 上部電極(第1電極)
56 ノズル
60 駆動IC
64 PZT膜(圧電体)
70 圧電素子基板
72 シリコン基板
78 Ge膜
80 SiOx膜(保護膜)
81 SiO2膜
82 SiO2膜
83 SiO2膜
84 SiOx膜(保護膜)
88 保護用レジスト
90 金属配線
92 樹脂保護膜
94 SOG(保護膜)
96 金属膜(保護膜)
110 インク(液体)
112 インク供給用貫通口
114 インク供給路(液体供給路)
115 圧力室
118 隔壁樹脂層
119 隔壁樹脂層
Claims (3)
- 圧電体と該圧電体の一方の側に設けられた第1電極と該圧電体の他方の側に設けられた第2電極とを有する圧電素子と、
前記第2電極が設けられるとともに、ゲルマニウムが添加されたSiO2膜をSiO2膜で挟んだ3層構造とされ、前記圧電素子によって変位させられる振動板と、
前記第2電極及び前記振動板を貫通して形成された液体供給路用の孔部と、
SOGをSiOx膜で挟んだ3層構造に、更に金属膜又は金属酸化膜が積層された4層構造とされ、前記第2電極及び前記振動板の前記孔部によって露出されている内周面と、前記圧電素子とを被覆する保護膜と、
を備えたことを特徴とする液滴吐出ヘッド。 - 前記金属膜がTa又はTiであり、前記金属酸化膜がTaO 2 又はTa 2 O 5 であることを特徴とする請求項1に記載の液滴吐出ヘッド。
- 請求項1又は請求項2に記載の液滴吐出ヘッドを備えたことを特徴とする液滴吐出装置。
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JP2006345153A JP4992414B2 (ja) | 2006-12-22 | 2006-12-22 | 液滴吐出ヘッド及び液滴吐出装置 |
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JP2006345153A JP4992414B2 (ja) | 2006-12-22 | 2006-12-22 | 液滴吐出ヘッド及び液滴吐出装置 |
Publications (2)
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JP2008155430A JP2008155430A (ja) | 2008-07-10 |
JP4992414B2 true JP4992414B2 (ja) | 2012-08-08 |
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JP2006345153A Expired - Fee Related JP4992414B2 (ja) | 2006-12-22 | 2006-12-22 | 液滴吐出ヘッド及び液滴吐出装置 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011068006A1 (ja) * | 2009-12-01 | 2011-06-09 | コニカミノルタホールディングス株式会社 | インクジェットヘッド |
JP5708098B2 (ja) | 2011-03-18 | 2015-04-30 | 株式会社リコー | 液体吐出ヘッド、液体吐出装置および画像形成装置 |
JP6024139B2 (ja) * | 2012-03-22 | 2016-11-09 | 株式会社リコー | 液滴吐出ヘッド、インクカートリッジ、及び画像形成装置 |
JP6344634B2 (ja) * | 2013-03-15 | 2018-06-20 | 株式会社リコー | 液滴吐出ヘッド、液滴吐出装置、画像形成装置、電気機械変換素子の分極処理方法、及び、液滴吐出ヘッドの製造方法 |
JP6201584B2 (ja) * | 2013-09-30 | 2017-09-27 | ブラザー工業株式会社 | 液滴噴射装置及び液滴噴射装置の製造方法 |
JP6264654B2 (ja) * | 2014-03-26 | 2018-01-24 | ブラザー工業株式会社 | 液体吐出装置、及び、液体吐出装置の製造方法 |
JP7102788B2 (ja) | 2018-03-05 | 2022-07-20 | ブラザー工業株式会社 | 液体吐出ヘッド及び液体吐出ヘッドの製造方法 |
JP7214409B2 (ja) * | 2018-09-05 | 2023-01-30 | キヤノン株式会社 | 液体吐出ヘッド |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4081664B2 (ja) * | 2001-09-13 | 2008-04-30 | セイコーエプソン株式会社 | 液体噴射ヘッド及びその製造方法 |
JP2004268277A (ja) * | 2003-03-05 | 2004-09-30 | Sony Corp | 液体吐出ヘッド及び液体吐出装置並びに液体吐出ヘッドの製造方法 |
JP4654640B2 (ja) * | 2004-09-13 | 2011-03-23 | 富士ゼロックス株式会社 | インクジェット記録ヘッド、及び、インクジェット記録ヘッド製造方法 |
JP4929755B2 (ja) * | 2005-02-23 | 2012-05-09 | 富士ゼロックス株式会社 | 液滴吐出ヘッド及び液滴吐出装置 |
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