公开(公告)号：US20170253062A1

公开(公告)日：2017-09-07

申请号：US15439327

申请日：2017-02-22

申请人： Tomoaki MURAKAMI ,  Takahiro YOSHIDA ,  Masami IWAMA ,  Takakazu KIHIRA

发明人： Tomoaki MURAKAMI ,  Takahiro YOSHIDA ,  Masami IWAMA ,  Takakazu KIHIRA

IPC分类号： B41J29/377

CPC分类号： B41J29/377 ,  B41J2/14024 ,  B41J2/1408 ,  B41J2/14201 ,  B41J2/14314 ,  B41J2002/14362 ,  B41J2202/08

摘要： A liquid-discharging head includes a pressure-generating element configured to be actuated to apply pressure on liquid in a pressure chamber from which the liquid is discharged through a nozzle, an actuation controller configured to control actuation of the pressure-generating element, a heat-releasing member configured to contact the actuation controller, and a cover member configured to cover the actuation controller and part of the heat-releasing member. The heat-releasing member includes a first heat-releasing member and a second heat-releasing member. The first heat-releasing member is arranged outside the cover member and has a surface exposed to external air. The second heat-releasing member is arranged inside the cover member and has a first end portion to contact the actuation controller. The first heat-releasing member and the second heat-releasing member are arranged to contact each other.

公开(公告)号：US20190224974A1

公开(公告)日：2019-07-25

申请号：US16157238

申请日：2018-10-11

申请人： Takakazu KIHIRA ,  Tomoaki Murakami ,  Masami Iwama ,  Kouichi Nakano

发明人： Takakazu KIHIRA ,  Tomoaki Murakami ,  Masami Iwama ,  Kouichi Nakano

IPC分类号： B41J2/14

摘要： A liquid discharge head includes a nozzle plate in which a plurality of nozzles to discharge a liquid is formed in a nozzle array direction, a channel plate including partition walls to form a plurality of individual chambers communicating with the plurality of nozzles, respectively, a diaphragm bonded to the channel plate to form a wall of the plurality of individual chambers, and a plurality of electromechanical transducers bonded to the diaphragm to deform the diaphragm to generate a pressure in the plurality of individual chambers, and a cycle of vibration of natural vibration generated in the liquid in the plurality of individual chambers is equal to or larger than a cycle of a primary mode of lateral vibration of the plurality of electromechanical transducers in the nozzle array direction.

公开(公告)号：US20180194135A1

公开(公告)日：2018-07-12

申请号：US15844831

申请日：2017-12-18

申请人： Masami IWAMA ,  Yukio OTOME ,  Takahiro YOSHIDA ,  Takakazu KIHIRA ,  Takayuki NAKAI ,  Shiomi ANDOU ,  Isamu SUZUKI ,  Ryuji YOSHIDA ,  Kanshi ABE ,  Junichi IWATA ,  Katsuya ISHll ,  Toshimichi ODAKA

发明人： Masami IWAMA ,  Yukio OTOME ,  Takahiro YOSHIDA ,  Takakazu KIHIRA ,  Takayuki NAKAI ,  Shiomi ANDOU ,  Isamu SUZUKI ,  Ryuji YOSHIDA ,  Kanshi ABE ,  Junichi IWATA ,  Katsuya ISHll ,  Toshimichi ODAKA

IPC分类号： B41J2/14 ,  B41J2/17 ,  B41J2/175

CPC分类号： B41J2/14233 ,  B41J2/14274 ,  B41J2/1721 ,  B41J2/175 ,  B41J2/17503 ,  B41J2002/14258 ,  B41J2002/14403 ,  B41J2002/14467 ,  B41J2202/12

摘要： A liquid discharge head includes a plurality of nozzles from which liquid is discharged, a plurality of individual-liquid-chambers communicating with the plurality of nozzles, respectively, a plurality of individual-drainage-channels communicating with the plurality of individual-liquid-chambers, respectively, a drainage-side common-liquid-chamber communicating with each of the plurality of individual-drainage-channels, a filter having filter holes and disposed between the plurality of individual-drainage-channels and the drainage-side common-liquid-chamber, and an intermediate-drainage-channel disposed between the filter and the plurality of individual-drainage-channels. The intermediate-drainage-channel faces the filter and communicates with two or more of the plurality of individual-drainage-channels. A cross-sectional area of the intermediate-drainage-channel is greater than a cross-sectional area of each of the plurality of individual-drainage-channels communicating with the intermediate-drainage-channel in a direction perpendicular to a direction of liquid flow.

公开(公告)号：US20180272730A1

公开(公告)日：2018-09-27

申请号：US15920612

申请日：2018-03-14

申请人： Toshimichi ODAKA ,  Takahiro YOSHIDA ,  Takakazu KIHIRA ,  Takayuki NAKAI

发明人： Toshimichi ODAKA ,  Takahiro YOSHIDA ,  Takakazu KIHIRA ,  Takayuki NAKAI

IPC分类号： B41J2/175 ,  B41J2/14

CPC分类号： B41J2/17563 ,  B41J2/14274 ,  B41J2/1433 ,  B41J2/175 ,  B41J2/18 ,  B41J2002/14403 ,  B41J2202/12 ,  B41J2202/20 ,  B41J2202/21

摘要： A liquid discharge head, includes a nozzle from which liquid is discharged, an individual chamber communicating with the nozzle, a supply channel communicating with the individual chamber, the liquid flowing through the supply channel in a first direction, and a filter disposed upstream of the supply channel, the liquid filtering through the filter in a second direction. The first direction intersects the second direction, and the supply channel includes an inlet disposed at a position overlapping the filter in the second direction.

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％。

公开(公告)号：US20160339694A1

公开(公告)日：2016-11-24

申请号：US15145312

申请日：2016-05-03

申请人： Takakazu KIHIRA ,  Naoya Kondo

发明人： Takakazu KIHIRA ,  Naoya Kondo

IPC分类号： B41J2/045

CPC分类号： B41J2/04588 ,  B41J2/04581 ,  B41J2/16508

摘要： A liquid droplet discharging device includes a liquid droplet discharging head including a nozzle hole, a pressurized liquid chamber communicating with the nozzle hole, a vibration plate constituting a side of the pressurized liquid chamber, a control device, and a thin film piezoelectric substance to vibrate the vibration plate by a drive voltage to discharge liquid droplets and a voltage application device to apply a voltage waveform having a voltage equal to or greater than the drive voltage between when the main power is activated and when a first print starts.

摘要翻译： 液滴排放装置包括：液滴喷射头，其包括喷嘴孔，与喷嘴孔连通的加压液体室，构成加压液体室一侧的振动板，控制装置和薄膜压电物质振动 所述振动板通过用于排出液滴的驱动电压和电压施加装置施加电压波形，所述电压波形具有等于或大于所述主电源被激活之间的驱动电压的电压，以及当第一打印开始时。

公开(公告)号：US20120026249A1

公开(公告)日：2012-02-02

申请号：US13194230

申请日：2011-07-29

申请人： Takakazu KIHIRA ,  Yoshikazu Akiyama ,  Osamu Machida ,  Masahiro Yagi ,  Ryoh Tashiro

发明人： Takakazu KIHIRA ,  Yoshikazu Akiyama ,  Osamu Machida ,  Masahiro Yagi ,  Ryoh Tashiro

IPC分类号： B41J2/045 ,  B05D5/12 ,  B32B38/14 ,  B05C5/00

CPC分类号： B41J11/002 ,  B41J3/407 ,  B41J11/0015

摘要： A thin-film forming apparatus for forming a thin film on a substrate by using an ink-jet method includes an ink applying unit that applies an ink drop for thin-film formation to a predetermined area on a surface of the substrate; at least one laser light source for heating the ink drop thereby forming a thin film; and a laser-light irradiating unit that irradiates, with a laser light from the laser light source, a first spot positioned on a back side of the predetermined area of the substrate to which the ink drop has been applied.

摘要翻译： 通过使用喷墨方法在基板上形成薄膜的薄膜形成装置包括将涂膜用于薄膜形成的墨滴施加到基板表面上的规定区域; 至少一个用于加热墨滴的激光源，从而形成薄膜; 以及激光照射单元，其用来自激光光源的激光照射位于已经施加有墨滴的基板的预定区域的背面上的第一光点。

公开(公告)号：US20100315471A1

公开(公告)日：2010-12-16

申请号：US12815748

申请日：2010-06-15

申请人： Takakazu KIHIRA ,  Yukitoshi Tajima

发明人： Takakazu KIHIRA ,  Yukitoshi Tajima

IPC分类号： B41J2/175

CPC分类号： B41J2/14233 ,  B41J2002/14419

摘要： An inkjet printer head includes a nozzle plate having nozzles for jetting ink; a flow path plate having flow paths for communicating with the nozzles, each of the flow paths including a pressure chamber and a resistance part having a smaller cross-sectional area than the pressure chamber, wherein piezoelectric elements having smaller horizontal areas than the flow paths are laminated on the flow path plate; and a common liquid chamber configured to guide the ink from an opening to the pressure chamber. The common liquid chamber is formed by a first member and a second member. The first member forms a top part of the common liquid chamber, and the second member forms a side surface and a bottom surface of a bottom part of the common liquid chamber by adhering to an outer wall of the first member and to an ink jetting surface of the nozzle plate.

摘要翻译： 喷墨打印机头包括具有用于喷射墨的喷嘴的喷嘴板; 流路板，其具有用于与喷嘴连通的流路，每个流路包括压力室和具有比压力室小的横截面面积的电阻部分，其中具有比流动路径小的水平面积的压电元件是 层压在流路板上; 以及公共液体室，其构造成将油墨从开口引导到压力室。 公共液体室由第一构件和第二构件形成。 第一构件形成公共液体室的顶部，并且第二构件通过粘附到第一构件的外壁和形成喷墨表面而形成公共液体室的底部的侧表面和底表面 的喷嘴板。