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1. 发明授权

EP2330460B1 Dust removing device and dust removing method 有权
标题翻译：除尘装置和除尘方法
公开(公告)号：EP2330460B1
公开(公告)日：2013-01-09
申请号：EP10014921.0
申请日：2010-11-23
申请人： Canon Kabushiki Kaisha
发明人： Ifuku, Toshihiro , Furuta, Tatsuo , Saito, Hiroshi , Takeda, Kenichi
IPC分类号： G03B11/00 , G03B17/02 , G03B17/14 , B06B1/06 , H01L41/09 , H04N5/225 , G02B27/00
CPC分类号： G02B27/0006 , B06B1/0648 , B08B7/02 , G03B11/00 , G03B17/02 , G03B17/14 , H04N5/2171 , H04N5/2254
摘要： In a piezoelectric device (30), a first electrode (32) and a second electrode (33) are disposed to be opposed to each other on plate surfaces of the piezoelectric device (30), a first electrode plane (36) of the piezoelectric device (30) is fixedly bonded to a plate surface of a vibrating plate (20), a piezoelectric material (31) forming the piezoelectric device (30) is polarized in a direction parallel to the first electrode plane (36), the piezoelectric device (30) is fixed to a base through a second electrode plane (37) of the piezoelectric device (30), and the piezoelectric device (30) generates a thickness-shear vibration with the fixed second electrode plane (37) being a reference plane. The piezoelectric vibration generated by the piezoelectric device (30) generates a flexural vibration in the vibrating plate (20), to thereby remove dust adhering to a surface of the vibrating plate (20).

2. 发明公开

EP2006927A3 Piezoelectric material 有权
标题翻译：压电材料
公开(公告)号：EP2006927A3
公开(公告)日：2012-08-22
申请号：EP08158599.4
申请日：2008-06-19
申请人： Canon Kabushiki Kaisha
发明人： Miura, Kaoru , Ifuku, Toshihiro , Takeda, Kenichi , Fukui, Tetsuro , Funakubo, Hiroshi
IPC分类号： H01L41/18 , H01L41/187 , H01L41/22 , H01L41/24
CPC分类号： H01L41/1871 , H01L41/43
摘要： The present invention provides a piezoelectric material which can be applied even to the MEMS technique, exhibits satisfactory piezoelectricity even at high ambient temperatures and is environmentally clean, namely, a piezoelectric material including an oxide obtained by forming a solid solution composed of two perovskite oxides A(1) B(1) O 3 and A(2)B(2)O 3 different from each other in crystalline phase, the oxide being represented by the following general formula (1):

X{A(1)B(1)O 3 }-(1-X) {A(2)B(2)O 3 } (1)

wherein "A(1)" and "A(2)" are each an element including an alkali earth metal and may be the same or different from each other; "B(1)" and "B(2)" each include two or more metal elements, and either one of "B(1)" and "B(2)" contains Cu in a content of 3 atm% or more; and "X" satisfies the relation 0

3. 发明公开

EP1445354A3 Dielectric film structure, piezoelectric actuator using dielectric element film structure and ink jet head 有权
标题翻译：与其压电致动器和喷墨印刷头提供了一种电介质膜的结构
公开(公告)号：EP1445354A3
公开(公告)日：2005-10-19
申请号：EP04002603.1
申请日：2004-02-05
申请人： CANON KABUSHIKI KAISHA
发明人： Aoto, Hiroshi , Takeda, Kenichi , Fukui, Tetsuro , Ifuku, Toshihiro
IPC分类号： C30B23/02 , C30B29/30 , C30B29/32 , H01L41/18 , B41J2/14
CPC分类号： B41J2/14233 , H01L41/0973 , H01L41/316
摘要： The present invention provides a dielectric film structure having a substrate and a dielectric film provided on the substrate and in which the dielectric film has (001) face orientation with respect to the substrate, and in which a value u in the following equation (1) regarding the dielectric film is a real number greater than 2: u = (C c /C a ) × (W a /W c ) where, C c is a count number of a peak of a (001') face of the dielectric film in an Out-of-plane X ray diffraction measurement (here, l' is a natural number selected so that C c becomes maximum); C a is a count number of a peak of a (h'00) face of the dielectric film in an In-plane X ray diffraction measurement (here, h' is a natural number selected so that C c becomes maximum); W c is a half-value width of a peak of the (001') face of the dielectric film in an Out-of-plane rocking curve X ray diffraction measurement; and W a is a half-value width of a peak of the (h'00) face of the dielectric film in an In-plane rocking curve X ray diffraction measurement.

4. 发明公开

EP2930841A1 OSCILLATORY WAVE DRIVE DEVICE AND OPTICAL APPARATUS 有权
标题翻译： OSZILLATORISCHE WENEN ANTRIEBSVORRICHTUNG UND OPTISCHE VORRICHTUNG
公开(公告)号：EP2930841A1
公开(公告)日：2015-10-14
申请号：EP15162237.0
申请日：2015-04-01
申请人： CANON KABUSHIKI KAISHA
发明人： Uebayashi, Akira , Ifuku, Toshihiro , Furuta, Tatsuo , Koyama, Shinya
IPC分类号： H02N2/14 , G02B7/04 , H02N2/16
CPC分类号： H02N2/142 , G02B7/04 , H01L41/1871 , H02N2/163
摘要： An oscillatory wave drive device has an oscillatory wave driving unit having an electromechanical energy conversion element having drive phases and a detection phase, a diaphragm (13), and a rotor (725c), in which a traveling wave is generated on the surface of the diaphragm (13) of the electromechanical energy conversion element to drive the rotor (725c), and the driving speed of the rotor (725c) is controlled based on a signal of the phase difference detecting unit. In the oscillatory wave drive device, a detection phase voltage step-down unit and a drive phase voltage step-down unit each containing a resistance voltage dividing circuit having at least two resistors are provided and the voltage dividing ratio in the resistance voltage dividing circuit of the detection phase voltage step-down unit is lower than 1/1 and higher than 1/20.
摘要翻译：振荡波驱动装置具有振荡波驱动单元，该振荡波驱动单元具有具有驱动相位和检测相位的机电能量转换元件，隔膜（13）和转子（725c），其中在该表面上产生行波所述机电能量转换元件的隔膜（13）驱动所述转子（725c），并且基于所述相位差检测单元的信号来控制所述转子（725c）的驱动速度。在振荡波驱动装置中，设置检测相位降压单元和驱动相位降压单元，每个包含具有至少两个电阻器的电阻分压电路，并且电阻分压电路中的分压比检测相位降压单元低于1/1并高于1/20。

5. 发明公开

EP2328193A2 Piezoelectric ceramic, method for making the same, piezoelectric element, liquid discharge head, and ultrasonic motor 有权
标题翻译：的压电陶瓷，其制备方法，压电元件，排液头和超声波马达
公开(公告)号：EP2328193A2
公开(公告)日：2011-06-01
申请号：EP10014517.6
申请日：2010-11-11
申请人： Canon Kabushiki Kaisha
发明人： Kubota, Makoto , Furuta, Tatsuo , Saito, Hiroshi , Ifuku, Toshihiro , Takeda, Kenichi , Fukui, Tetsuro
IPC分类号： H01L41/187
CPC分类号： H01L41/1871 , C04B35/468 , C04B35/4682 , C04B35/62655 , C04B35/62805 , C04B35/62886 , C04B2235/3208 , C04B2235/3236 , C04B2235/3262 , C04B2235/449 , C04B2235/5445 , C04B2235/656 , C04B2235/6567 , C04B2235/762 , C04B2235/765 , C04B2235/77 , C04B2235/783 , C04B2235/786 , C04B2235/96 , H01L41/09 , H01L41/0973 , H01L41/43 , H02N2/106 , H02N2/163
摘要： A piezoelectric ceramic (7) that includes barium titanate and 0.04 mass% or more and 0.20 mass% or less manganese relative to barium titanate. The piezoelectric ceramic is composed of crystal grains. The crystal grains include crystal grains A having an equivalent circular diameter of 30 µm or more and 300 µm or less and crystal grains B having an equivalent circular diameter of 0.5 µm or more and 3 µm or less. The crystal grains A and the crystal grains B individually form aggregates and the aggregates of the crystal grains A and the aggregates of the crystal grains B form a sea-island structure.

6. 发明授权

EP2930841B1 OSCILLATORY WAVE DRIVE DEVICE AND OPTICAL APPARATUS 有权
公开(公告)号：EP2930841B1
公开(公告)日：2019-06-12
申请号：EP15162237.0
申请日：2015-04-01
申请人： CANON KABUSHIKI KAISHA
发明人： Uebayashi, Akira , Ifuku, Toshihiro , Furuta, Tatsuo , Koyama, Shinya
IPC分类号： H02N2/14 , G02B7/04 , H02N2/16

7. 发明授权

EP2933996B1 DUST REMOVAL APPARATUS AND IMAGE PICKUP APPARATUS 有权转让
公开(公告)号：EP2933996B1
公开(公告)日：2018-09-19
申请号：EP15000957.9
申请日：2015-04-02
申请人： Canon Kabushiki Kaisha
发明人： Shimizu, Yasushi , Takeda, Kenichi , Ifuku, Toshihiro , Kubota, Makoto , Hayashi, Jumpei , Furuta, Tatsuo , Matsushima, Kazuki
IPC分类号： H04N5/217 , H04N5/225
CPC分类号： H04N5/2171 , H04N5/2251 , H04N5/2253 , H04N5/2254
摘要： A dust removal apparatus includes a vibrating plate (410), a piezoelectric element (430), a power supply (42) that applies the piezoelectric element with an alternating voltage; and a control circuit (10) that changes a frequency of the alternating voltage, in which the piezoelectric element includes first and second electrodes and a piezoelectric material, a phase transition temperature T from a first crystal phase to a second crystal phase of the piezoelectric material is -40°C ‰¤ T ‰¤ 85°C, the change of the frequency is for repeating a sweep operation from a first frequency to a second frequency, and when a frequency at which an audible vibration is generated during the sweep operation is set as fns, a frequency at which this vibration is ended is set as fne, and a changing time from fns to fne during the sweep operation is set as ”tn, ”tn ‰¤ 10 ms is satisfied.

8. 发明公开

EP2584622A2 Piezoelectric device, dust removing apparatus, and imaging apparatus 审中-公开
标题翻译： Piezoelektrische Vorrichtung，Staubentfernungsvorrichtung und Abbildungsvorrichtung
公开(公告)号：EP2584622A2
公开(公告)日：2013-04-24
申请号：EP12189196.4
申请日：2012-10-19
申请人： Canon Kabushiki Kaisha
发明人： Shimada, Akira , Maruyama, Yutaka , Ifuku, Toshihiro
IPC分类号： H01L41/18 , B06B1/06 , G02B27/00 , B08B7/02
CPC分类号： H02N2/001 , B08B7/02 , B08B7/028 , G02B27/0006 , G03B2205/0061 , G03B2205/0092 , H01L41/18 , H01L41/1871 , H04N5/2171 , H04N5/2254 , H04N5/357
摘要： A piezoelectric device (5) includes an elastic member (1), an electrical-mechanical energy conversion element (2) fixed to the elastic member (1), configured to cause the elastic member (1) to generate vibration, and a supporting member (3) that supports the elastic member (1). The electrical-mechanical energy conversion element (2) is formed of a piezoelectric material in which, in a usage temperature range of the piezoelectric device (5), a piezoelectric constant decreases along with temperature rise. A supporting member (3) that supports the elastic member (1) is formed of a material in which, in the usage temperature range of the piezoelectric device (5), Q value increases along with temperature rise.
摘要翻译：压电装置（5）包括弹性构件（1），固定到弹性构件（1）的机电能转换元件（2），其构造成使弹性构件（1）产生振动;支撑构件（3），其支撑弹性构件（1）。机电能转换元件（2）由压电材料形成，其中在压电器件（5）的使用温度范围内，压电常数随温度升高而降低。支撑弹性构件（1）的支撑构件（3）由在压电装置（5）的使用温度范围内随着温度升高Q值增加的材料形成。

9. 发明授权

EP1585180B1 Dielectric member, piezoelectric member, ink jet head, ink jet recording apparatus, and production methods thereof 有权
标题翻译：电介质元件，压电元件，喷墨头，喷墨记录装置以及它们的制备方法
公开(公告)号：EP1585180B1
公开(公告)日：2010-10-20
申请号：EP05006447.6
申请日：2005-03-23
申请人： CANON KABUSHIKI KAISHA , Funakubo, Hiroshi
发明人： Takeda, Kenichi , Ifuku, Toshihiro , Fukui, Tetsuro , Funakubo, Hiroshi , Okamoto, Shoji
IPC分类号： H01L41/047 , H01L41/22 , B41J2/14
CPC分类号： H01L41/0478 , H01L41/0973 , H01L41/1876 , H01L41/29 , H01L41/316
摘要： A dielectric member including, on a substrate (5), a lower electrode, an oriented dielectric layer (7), and an upper electrode (8), in which at least either of the electrodes has an at least two-layered structure (31,32) constituted of perovskite type oxide conductive layers, and has an orientation.

10. 发明授权

EP1445354B1 Dielectric film structure and method for its manufacture, piezoelectric actuator and ink jet head using this structure 有权
标题翻译：的介电膜的结构，以及它们的制备方法，与其压电致动器和喷墨印刷头提供
公开(公告)号：EP1445354B1
公开(公告)日：2009-08-26
申请号：EP04002603.1
申请日：2004-02-05
申请人： CANON KABUSHIKI KAISHA
发明人： Aoto, Hiroshi , Takeda, Kenichi , Fukui, Tetsuro , Ifuku, Toshihiro
IPC分类号： C30B23/02 , C30B29/30 , C30B29/32 , H01L41/18 , B41J2/14
CPC分类号： B41J2/14233 , H01L41/0973 , H01L41/316
摘要： The present invention provides a dielectric film structure having a substrate and a dielectric film provided on the substrate and in which the dielectric film has (001) face orientation with respect to the substrate, and in which a value u in the following equation (1) regarding the dielectric film is a real number greater than 2: u = (Cc/Ca) x (Wa/Wc) where, Cc is a count number of a peak of a (001') face of the dielectric film in an Out-of-plane X ray diffraction measurement (here, l' is a natural number selected so that Cc becomes maximum); Ca is a count number of a peak of a (h'00) face of the dielectric film in an In-plane X ray diffraction measurement (here, h' is a natural number selected so that Cc becomes maximum); Wc is a half-value width of a peak of the (001') face of the dielectric film in an Out-of-plane rocking curve X ray diffraction measurement; and Wa is a half-value width of a peak of the (h'00) face of the dielectric film in an In-plane rocking curve X ray diffraction measurement.

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