专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20210039393A1 LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, LIQUID DISCHARGE APPARATUS 有权
公开(公告)号：US20210039393A1
公开(公告)日：2021-02-11
申请号：US16938678
申请日：2020-07-24
申请人： Satoshi MIZUKAMI , Masahiro HAYASHI , Toshiaki MASUDA
发明人： Satoshi MIZUKAMI , Masahiro HAYASHI , Toshiaki MASUDA
IPC分类号： B41J2/14
摘要： A piezoelectric element includes an upper electrode, a lower electrode, and a piezoelectric body disposed between the upper electrode and the lower electrode. The piezoelectic body contains lead zirconate titanate. The piezoelectric element also includes a seed layer containing lead disposed between the lower electrode and the piezoelectric body. The seed layer has an amorphous structure at least over an entire surface layer portion on the piezoelectric body side.

2. 发明申请

US20170253040A1 ELECTROMECHANICAL TRANSDUCER ELEMENT, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARGE APPARATUS 有权
公开(公告)号：US20170253040A1
公开(公告)日：2017-09-07
申请号：US15447266
申请日：2017-03-02
申请人： Masaru SHINKAI , Satoshi MIZUKAMI , Toshiaki MASUDA
发明人： Masaru SHINKAI , Satoshi MIZUKAMI , Toshiaki MASUDA
IPC分类号： B41J2/14 , B41J2/16
CPC分类号： B41J2/14233 , B41J2/14201 , B41J2/1607 , B41J2/161 , B41J2/1628 , B41J2/1631 , B41J2/164 , B41J2/1642 , B41J2/1645 , B41J2/1646 , B41J2002/14258 , B41J2202/03 , C04B2235/00 , C04B2235/3232 , H01L41/18 , H01L41/1875 , H01L41/1876
摘要： An electromechanical transducer element includes a first electrode, a second electrode, and a piezoelectric material. The piezoelectric material is disposed between the first electrode and the second electrode and deformable with a voltage applied in accordance with a drive signal. The piezoelectric material is made of a composite oxide having a perovskite structure preferentially oriented in at least one of a (100) plane and a (001) plane. A drop in diffraction intensity is included in a rocking curve corresponding to at least one of a (200) plane and a (002) plane measured at a position of 2θ where the diffraction intensity is largest at a peak of diffraction intensity corresponding to the (200) plane out of peaks of diffraction intensity measured by an X-ray diffraction 0-20 method.

3. 发明申请

US20190044055A1 ELECTROMECHANICAL TRANSDUCER, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE APPARATUS, AND METHOD FOR MANUFACTURING ELECTROMECHANICAL TRANSDUCER 审中-公开
公开(公告)号：US20190044055A1
公开(公告)日：2019-02-07
申请号：US16047367
申请日：2018-07-27
申请人： Naoya KONDO , Satoshi MIZUKAMI , Toshiaki MASUDA
发明人： Naoya KONDO , Satoshi MIZUKAMI , Toshiaki MASUDA
IPC分类号： H01L41/187 , H01L41/09 , H01L41/43 , H01L41/257 , B41J2/14 , C01G25/00
摘要： An electromechanical transducer includes an electromechanical transducer film of laminated layers including a perovskite-type complex oxide represented by a general formula of ABO3; and a pair of electrodes opposed to each other with the electromechanical transducer film interposed between the pair of electrodes. In the general formula of ABO3, A includes Pb and B includes Zr and Ti. A variable ratio ΔPb of Pb, determined by Pb(max)−Pb(min), is 6% or less and a variable ratio ΔZr of Zr, determined by Zr(max)−Zr(min), is 9% or less, where an atomic weight ratio of Pb in the electromechanical transducer film is denoted by Pb/B, an atomic weight ratio of Zr in the electromechanical transducer film is denoted by Zr/B, a maximum value and a minimum value of the atomic weight ratio of Pb in a film thickness direction of the electromechanical transducer film are denoted by Pb(max) and Pb(min), respectively, and a maximum value and a minimum value of the atomic weight ratio of Zr in the film thickness direction of the electromechanical transducer film are denoted by Zr(max) and Zr(min), respectively.

4. 发明申请

US20160351788A1 ELECTROMECHANICAL TRANSDUCER ELEMENT, METHOD OF PRODUCING THE ELECTROMECHANICAL TRANSDUCER ELEMENT, DROPLET DISCHARGE HEAD, AND DROPLET DISCHARGE APPARATUS 有权
标题翻译：机电传感器元件，制造机电传感器元件的方法，喷射头卸料头和卸料装置
公开(公告)号：US20160351788A1
公开(公告)日：2016-12-01
申请号：US15166503
申请日：2016-05-27
申请人： Satoshi MIZUKAMI
发明人： Satoshi MIZUKAMI
IPC分类号： H01L41/187 , B41J2/14 , H01L41/257
CPC分类号： H01L41/187 , B41J2/14233 , B41J2002/14258 , B41J2202/03 , H01L41/0805 , H01L41/0973 , H01L41/1876 , H01L41/257 , H01L41/318
摘要： An electromechanical transducer element includes a first electrode, an electromechanical transducer film, and a second electrode. The electromechanical transducer film is a {100} preferentially oriented polycrystalline film. A sum of an orientation degree ρ{111} of {111} plane and an orientation degree ρ{100} of {100} plane is in a range of not less than 0.0002 and not greater than 0.25. At least two diffraction peaks of a plurality of diffraction peaks separated in diffraction peaks derived from {200} plane or {400} plane obtained by the θ-2θ measurement of the electromechanical transducer film according to the X-ray diffraction method attribute to a tetragonal a-domain structure and a tetragonal c-domain structure, respectively. A value of Sc/(Sa+Sc) is not greater than 20%, where Sa represents an area of a diffraction peak attributing to the tetragonal a-domain structure and Sc represents an area of a diffraction peak attributing to the tetragonal c-domain structure.
摘要翻译：机电换能器元件包括第一电极，机电换能器薄膜和第二电极。机电换能器膜是{100}优先取向的多晶膜。 {111}面的取向度ρ{111}和{100}面的取向度ρ{100}之和在不小于0.0002且不大于0.25的范围内。根据X射线衍射法，通过将机电换能器膜的θ-2θ测量得到的衍射峰从{200}面或{400}平面衍射出的多个衍射峰中的至少两个衍射峰归属于四方 a结构域结构和四方晶域结构。 Sc /（Sa + Sc）的值不大于20％，其中Sa表示归因于四方晶域结构的衍射峰的面积，Sc表示归因于四方晶域的衍射峰的面积结构体。

5. 发明申请

US20150077475A1 ELECTROMECHANICAL TRANSDUCER ELEMENT, METHOD OF MANUFACTURING THE SAME, LIQUID DROPLET DISCHARGE HEAD, AND LIQUID DROPLET DISCHARGE DEVICE 有权
标题翻译：机电传感器元件，其制造方法，液滴放电头和液滴放电装置
公开(公告)号：US20150077475A1
公开(公告)日：2015-03-19
申请号：US14484743
申请日：2014-09-12
申请人： Satoshi MIZUKAMI , Takeshi SANO , Naoya KONDO , Masaki KATO
发明人： Satoshi MIZUKAMI , Takeshi SANO , Naoya KONDO , Masaki KATO
IPC分类号： B41J2/14 , H01L41/29 , H01L41/25 , H01L41/08 , H01L41/047
CPC分类号： B41J2/14233 , B41J2/161 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1642 , B41J2/1645 , B41J2/1646 , B41J2002/14266 , B41J2002/14491 , H01L41/047 , H01L41/0475 , H01L41/0478 , H01L41/0825 , H01L41/0973 , H01L41/25 , H01L41/257 , H01L41/29 , Y10T29/42
摘要： An electromechanical transducer element includes a substrate; a first electrode formed on the substrate as a common electrode; an electromechanical transducer membrane formed on the first electrode; a second electrode formed on the electromechanical transducer membrane as an individual electrode; a first insulation protection membrane formed on the first and the second electrode; a third electrode electrically connected to the first electrode; a fourth electrode electrically connected to the second electrode; a second insulation protection membrane including a common electrode pad formed on the third electrode and plural individual electrode pads formed on the fourth electrode; and a fifth electrode formed so as to surround a vicinity of at least one of the individual electrode pads disposed at end parts.Further, the fifth electrode is formed on the first insulation protection membrane and is electrically connected to the first electrode.
摘要翻译：机电换能器元件包括基底; 形成在基板上作为公共电极的第一电极; 形成在所述第一电极上的机电换能器膜; 形成在机电换能器膜上作为单独电极的第二电极; 形成在第一和第二电极上的第一绝缘保护膜; 电连接到所述第一电极的第三电极; 电连接到第二电极的第四电极; 第二绝缘保护膜，包括形成在第三电极上的公共电极焊盘和形成在第四电极上的多个单独电极焊盘; 以及第五电极，其形成为围绕设置在端部处的各个电极焊盘中的至少一个的附近。此外，第五电极形成在第一绝缘保护膜上并与第一电极电连接。

6. 发明申请

US20130002767A1 ELECTROMECHANICAL TRANSDUCER ELEMENT, DROPLET DISCHARGE HEAD, AND DROPLET DISCHARGE DEVICE 有权
标题翻译：机电传动元件，卸料头和卸料装置
公开(公告)号：US20130002767A1
公开(公告)日：2013-01-03
申请号：US13529304
申请日：2012-06-21
申请人： Satoshi MIZUKAMI , Yoshikazu AKIYAMA , Masaru SHINKAI , Keiji UEDA , Kanshi ABE , Takakazu KIHIRA , Naoya KONDO
发明人： Satoshi MIZUKAMI , Yoshikazu AKIYAMA , Masaru SHINKAI , Keiji UEDA , Kanshi ABE , Takakazu KIHIRA , Naoya KONDO
IPC分类号： B41J2/045 , H01L41/18 , H01L41/04 , H01L41/083
CPC分类号： B41J2/14233 , B41J2002/14258 , B41J2202/03 , H01L41/0805 , H01L41/0973 , H01L41/1876 , H01L41/318
摘要： Disclosed is an electromechanical transducer element that includes an electromechanical transducer film formed of a complex oxide (PZT) including lead (Pb), zirconium (Zr), and titanium (Ti). The electromechanical transducer film is formed by laminating plural PZT thin films until a thickness of the formed electromechanical transducer film becomes a predetermined thickness. When an atomic weight ratio (Pb/(Zr+Ti)) of average Pb included in the formed electromechanical transducer film is denoted by Pb(avg) and an atomic weight ratio (Pb/(Zr+Ti)) of Pb in any one of laminate interfaces of the plural PZT thin films is denoted by Pb(interface), the Pb(avg) is greater than or equal to 100 atomic percentage (at %) and less than or equal to 110 atomic percentage (at %), and a fluctuation ratio ΔPb=Pb(avg)−Pb(interface) of Pb in the laminate interface is less than or equal to 20 percent.
摘要翻译：公开了一种机电换能器元件，其包括由包括铅（Pb），锆（Zr）和钛（Ti）的复合氧化物（PZT）形成的机电换能器膜。机电换能器膜通过层压多个PZT薄膜而形成，直到所形成的机电换能器膜的厚度成为预定厚度。当在所形成的机电换能器膜中包含的平均Pb的原子重量比（Pb /（Zr + Ti））由Pb（avg）和Pb中的任何一种的原子量（Pb /（Zr + Ti））多个PZT薄膜的层叠界面由Pb（界面）表示，Pb（avg）大于或等于100原子百分比（at％）和小于或等于110原子百分比（at％），以及层压界面中Pb的波动比＆Dgr; Pb = Pb（avg）-Pb（界面）小于或等于20％。

7. 发明申请

US20180264809A1 LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARGE APPARATUS 审中-公开
公开(公告)号：US20180264809A1
公开(公告)日：2018-09-20
申请号：US15919457
申请日：2018-03-13
申请人： Satoshi MIZUKAMI
发明人： Satoshi MIZUKAMI
IPC分类号： B41J2/045 , B41J2/14 , B41J2/16
CPC分类号： B41J2/04581 , B41J2/04573 , B41J2/14233 , B41J2/161 , B41J2/1623 , B41J2/1628 , B41J2/1629 , B41J2/1642 , B41J2/1645 , B41J2/1646 , B41J2002/14258 , B41J2002/14491 , B41J2202/03
摘要： A liquid discharge head includes a plurality of nozzles from which a liquid is discharged, a plurality of pressure chambers communicating with the plurality of nozzles, respectively, a substrate in which the plurality of pressure chamber is arranged in a predetermined direction, a diaphragm provided on a first side of the substrate opposite a second side of the substrate facing the plurality of nozzles, the diaphragm forming walls of the plurality of pressure chambers, and a plurality of electromechanical transducer elements provided on the diaphragm corresponding to the plurality of pressure chambers, respectively. A groove is formed in the substrate on an end side of the plurality of pressure chambers in the predetermined direction, and the groove includes an opening that opens toward a direction opposite to the diaphragm.

8. 发明申请

US20170173955A1 ELECTROMECHANICAL TRANSDUCER ELEMENT, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, METHOD FOR PRODUCING ELECTROMECHANICAL TRANSDUCER FILM, AND METHOD FOR PRODUCING LIQUID DISCHARGE HEAD 有权
公开(公告)号：US20170173955A1
公开(公告)日：2017-06-22
申请号：US15370025
申请日：2016-12-06
申请人： Satoshi MIZUKAMI
发明人： Satoshi MIZUKAMI
IPC分类号： B41J2/14 , B41J2/16
CPC分类号： B41J2/14201 , B41J2/14233 , B41J2/1607 , B41J2/161 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1635 , B41J2/1645 , B41J2/1646
摘要： An electromechanical transducer element includes an electromechanical transducer film formed of PZT, wherein Ti/(Zr+Ti) in the electromechanical transducer film is greater than or equal to 45% and less than or equal to 55%, and wherein, when a total of peak intensity values obtained by θ-2θ measurement is set to be 1, for an orientation ratio of a (100) plane orientation calculated based on a ratio of the peak intensity value of each orientation, Δρ(100) is less than or equal to 5%, wherein Δρ(100) is a gradient with respect to the (100) plane orientation in an array direction, and the ratio of each peak intensity value of each orientation is represented by ρ(hkl)=I(hkl)/ΣI(hkl), where ρ(hkl) is a degree of orientation in an (hkl) plane orientation, I(hkl) is the peak intensity value of the orientation, and ΣI(hkl) is the total of the peak intensity values.

9. 发明申请

US20160263893A1 LIQUID EJECTION HEAD, LIQUID EJECTION UNIT, AND LIQUID EJECTION DEVICE 有权
标题翻译：液体喷射头，液体喷射单元和液体喷射装置
公开(公告)号：US20160263893A1
公开(公告)日：2016-09-15
申请号：US15064302
申请日：2016-03-08
申请人： Satoshi MIZUKAMI , Naoya KONDO
发明人： Satoshi MIZUKAMI , Naoya KONDO
IPC分类号： B41J2/14 , B41J2/165
CPC分类号： B41J2/14233 , B41J2202/11
摘要： A liquid ejection head includes structures arrayed in a predetermined direction, each structure including a nozzle to eject liquid, a pressure chamber in communication with the nozzle, and an ejection drive unit to increase pressure of the liquid in the pressure chamber. The ejection drive unit includes a diaphragm to form a wall of the pressure chamber, and an electromechanical transducer element including an electromechanical transducer film, the diaphragm being convex toward the pressure chamber. When an amount of curvature of the diaphragm for the pressure chamber is defined by a radius of curvature, a difference between minimum and maximum radii of curvature of the diaphragm for 20 channels of the pressure chambers is equal to or less than 1500 μm, the 20 channels being counted from one of the pressure chambers at each of end portions of the structures in the predetermined direction.
摘要翻译：液体喷射头包括沿预定方向排列的结构，每个结构包括喷嘴以喷射液体，与喷嘴连通的压力室和用于增加压力室中的液体的压力的喷射驱动单元。喷射驱动单元包括用于形成压力室的壁的隔膜和包括机电换能器膜的机电换能器元件，所述隔膜朝向压力室凸起。当用于压力室的隔膜的曲率量由曲率半径定义时，压力室的20个通道的隔膜的最小和最大曲率半径之差等于或小于1500μm，20 从结构体的每个端部的预定方向的一个压力室计数通道。

10. 发明申请

US20160263892A1 LIQUID EJECTION HEAD, LIQUID EJECTION UNIT, AND LIQUID EJECTION DEVICE 有权
标题翻译：液体喷射头，液体喷射单元和液体喷射装置
公开(公告)号：US20160263892A1
公开(公告)日：2016-09-15
申请号：US15064018
申请日：2016-03-08
申请人： Satoshi MIZUKAMI
发明人： Satoshi MIZUKAMI
IPC分类号： B41J2/14 , B41J2/165
CPC分类号： B41J2/14233 , B41J2202/11
摘要： A liquid ejection head includes a plurality of structures arrayed in a predetermined direction, each structure including a nozzle to eject liquid, a pressure chamber in communication with the nozzle, and an ejection drive unit to increase pressure of the liquid in the pressure chamber. The ejection drive unit of each structure includes a diaphragm to form a wall of the pressure chamber, and an electromechanical transducer element including an electromechanical transducer film, the diaphragm being convex toward the pressure chamber. When an amount of curvature of the diaphragm for the pressure chamber of each structure is defined by a radius of curvature, an inclination difference of the radius of curvature with respect to the predetermined direction is equal to or less than 2500 μm.
摘要翻译：液体喷射头包括沿预定方向排列的多个结构，每个结构包括喷嘴以喷射液体，与喷嘴连通的压力室和用于增加压力室中的液体的压力的喷射驱动单元。每个结构的喷射驱动单元包括用于形成压力室的壁的隔膜和包括机电换能器膜的机电换能器元件，所述隔膜朝向压力室凸起。当每个结构的压力室的隔膜的曲率由曲率半径限定时，曲率半径相对于预定方向的倾斜差等于或小于2500μm。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式