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公开(公告)号：US20170253040A1
公开(公告)日：2017-09-07
申请号：US15447266
申请日：2017-03-02
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.
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公开(公告)号：US20210039393A1
公开(公告)日：2021-02-11
申请号：US16938678
申请日：2020-07-24
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.
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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.
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公开(公告)号：US20230330990A1
公开(公告)日：2023-10-19
申请号：US18132451
申请日：2023-04-10
申请人： Yuki FUJIMURA , Keishi MIWA , Toshiaki MASUDA
发明人： Yuki FUJIMURA , Keishi MIWA , Toshiaki MASUDA
CPC分类号： B41J2/14233 , H10N30/2023 , H10N30/883 , B41J2/1433 , B41J2002/14241
摘要： A liquid discharge head includes: a nozzle plate including a nozzle; a liquid chamber substrate having an individual chamber; a diaphragm; a piezoelectric actuator including a piezoelectric body, a wiring portion covering a first region of the piezoelectric actuator; and a protective film covering a second region of the piezoelectric actuator other than the first region. A first outer periphery of the piezoelectric body in the second region is interior of a second outer periphery of the individual chamber in the second region. A gap region between the first outer periphery and the second outer periphery has: a first gap region having a first width in the longitudinal direction; and a second gap region having a second width in a transverse direction orthogonal to the longitudinal direction, the second width larger than the first width. The protective film covers a part of the first gap region in the second region.
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公开(公告)号：US20230141751A1
公开(公告)日：2023-05-11
申请号：US17972880
申请日：2022-10-25
申请人： Yuu SUGIOKA , Toshiaki MASUDA , Kentaroh YAMANAKA , Hitoshi USAMI
发明人： Yuu SUGIOKA , Toshiaki MASUDA , Kentaroh YAMANAKA , Hitoshi USAMI
IPC分类号： B41J2/14
CPC分类号： B41J2/14201 , B41J2002/14491
摘要： A head includes: a silicon substrate; an insulating film on the silicon substrate; an electrode wiring on the insulating film; a flexible wiring connected to the electrode wiring; and a conductive film electrically connects the flexible wiring and the electrode wiring in a bonding area. The silicon substrate has an exposed area on a surface of the silicon substrate facing the insulating film, and the exposed area is in a vicinity of the bonding area and is exposed from the insulating film.
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公开(公告)号：US20220242123A1
公开(公告)日：2022-08-04
申请号：US17567893
申请日：2022-01-04
IPC分类号： B41J2/16
摘要： A liquid discharge head having a nozzle substrate including a nozzle from which a liquid is discharged in a liquid discharge direction, a pressure chamber communicating with the nozzle, a diaphragm defining a part of wall of the pressure chamber, and a pressure generator on a first surface of the diaphragm opposite to a second surface of the diaphragm facing the pressure chamber, the pressure generator configured to deform the diaphragm. A gap between a first line and a second line is 40 μm or less in a direction perpendicular to the liquid discharge direction, where the first line extends, in the liquid discharge direction, from a displacement center at which the diaphragm deforms with a maximum displacement amount, and the second line extends from a central position of the nozzle in the liquid discharge direction.
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公开(公告)号：US20150258264A1
公开(公告)日：2015-09-17
申请号：US14722756
申请日：2015-05-27
申请人： Kimihiro MABUCHI , Noriko MONDEN , Noriaki KATO , Yuuki HATAKEYAMA , Takashi SUNOHARA , Toshiaki MASUDA
发明人： Kimihiro MABUCHI , Noriko MONDEN , Noriaki KATO , Yuuki HATAKEYAMA , Takashi SUNOHARA , Toshiaki MASUDA
CPC分类号： A61M1/168 , A61L2/087 , A61L2202/22 , A61M1/16 , A61M1/1682 , A61M1/169 , A61M2209/06 , B01D65/022 , B01D67/0011 , B01D67/0097 , B01D69/08 , B01D71/68 , B01D2321/34 , B01D2323/34 , B01D2325/36 , B01D2325/38
摘要： The invention provides a blood purifier which shows a decreased amount of hydrogen peroxide extracted from its selectively permeable separation membranes, and thus is highly reliable in its safety in use for hemecatharysis. The blood purifier comprises selectively permeable separation membranes as a main component and is characterized in that the amount of hydrogen peroxide which is extracted from the selectively permeable separation membrane removed from the blood purifier after 3 months or longer has passed since the sterilization of the blood purifier by exposure to a radioactive ray and/or an electron ray is not larger than 10 ppm.
摘要翻译： 本发明提供了一种血液净化器，其显示从其选择性渗透性分离膜中提取的过氧化氢的量减少，因此在其用于半胱氨酸的安全性方面是高度可靠的。 血液净化器包括选择性渗透分离膜作为主要成分，其特征在于，从血液净化器灭菌3个月以上从已从血液净化器中除去的选择性渗透性分离膜中提取的过氧化氢的量已经过去 通过暴露于放射线和/或电子射线不大于10ppm。
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公开(公告)号：US20240316932A1
公开(公告)日：2024-09-26
申请号：US18607640
申请日：2024-03-18
申请人： Toshiaki MASUDA
发明人： Toshiaki MASUDA
CPC分类号： B41J2/14274 , H10N30/87
摘要： A piezoelectric actuator includes: a substrate having a pressure chamber elongated in a first direction, the pressure chamber having one end in the first direction; a diaphragm on the substrate and having a one face facing the pressure chamber; and a piezoelectric element including: a lower electrode; a piezoelectric body; and an upper electrode, sequentially laminated on another face of the diaphragm opposite to the one face, the piezoelectric element extending across the one end of the pressure chamber in the first direction, and the lower electrode including multiple lower electrode divisions across the one end in the first direction and separated from each other in a second direction orthogonal to the first direction.
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9.发明申请公开(公告)号：US20190270310A1
公开(公告)日：2019-09-05
申请号：US16278937
申请日：2019-02-19
申请人： Toshiaki MASUDA , Tsutoh AOYAMA , Takahiko KURODA , Masaki KATO
发明人： Toshiaki MASUDA , Tsutoh AOYAMA , Takahiko KURODA , Masaki KATO
摘要： A liquid discharge head includes a plurality of nozzles to discharge a liquid, a plurality of pressure chambers communicating with the plurality of nozzles, respectively, a plurality of individual supply channels communicating with the plurality of pressure chambers, respectively, a plurality of common-supply branch channels each having a side face and a bottom face and communicating with two or more of the plurality of individual supply channels, respectively, and a common-supply main channel communicating with the plurality of common-supply branch channels. The plurality of common-supply branch channels includes a curved portion on a corner between the side face and the bottom face of each of the plurality of common-supply branch channels along a direction of liquid flow in the plurality of common-supply branch channels.
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公开(公告)号：US20170100934A1
公开(公告)日：2017-04-13
申请号：US15268711
申请日：2016-09-19
申请人： Toshiaki MASUDA , Keisuke HAYASHI , Keishi MIWA
发明人： Toshiaki MASUDA , Keisuke HAYASHI , Keishi MIWA
IPC分类号： B41J2/14
CPC分类号： B41J2/14233 , B41J2/1623 , B41J2002/14241 , B41J2002/14306 , B41J2002/14491
摘要： A liquid discharge head includes an actuator substrate and a holding substrate. The actuator substrate includes a plurality of individual liquid chambers and a plurality of pressure generating elements. The plurality of individual liquid chambers is communicated with a plurality of nozzles to discharge liquid. The plurality of pressure generating elements is arrayed to pressurize liquid in the plurality of individual liquid chambers. The holding substrate includes a plurality of recessed portions to accommodate the plurality of pressure generating elements. The holding substrate is bonded to the actuator substrate with an adhesive. The holding substrate has a plurality of openings as a plurality of channels communicating the plurality of individual liquid chambers with a common liquid chamber to supply liquid to the plurality of individual liquid chambers. At least one corner of each of the plurality of openings at least partially has a curved surface.
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