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公开(公告)号：US10150295B2
公开(公告)日：2018-12-11
申请号：US15397229
申请日：2017-01-03
发明人： Tokuji Kudo , Chiaki Muraoka , Shimpei Yoshikawa , Yuichiro Akama , Yuji Tamaru , Yosuke Takagi , Takaaki Yamaguchi
IPC分类号： B41J2/14
摘要： A liquid ejection head includes an energy generating element configured to generate energy used for ejection of a liquid, a print element board including an electroconductive anti-cavitation film provided to cover the energy generating element, and a connection board electrically connected to the anti-cavitation film and including a connection pad electrically connectable from outside.
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公开(公告)号：US20170120588A1
公开(公告)日：2017-05-04
申请号：US15334061
申请日：2016-10-25
发明人： Chiaki Muraoka , Yukuo Yamaguchi , Mikiya Umeyama , Hiromasa Amma , Takuya Iwano , Tokuji Kudo , Shimpei Yoshikawa
IPC分类号： B41J2/14
CPC分类号： B41J2/1753 , B41J2/1433 , B41J2/17509 , B41J2/1752 , B41J2/17526 , B41J2/17553 , B41J29/02 , B41J29/13 , B41J2002/14491
摘要： A liquid discharge head includes a recording element substrate including a recording element, an electronic substrate disposed outside the recording element substrate, an electric element mounted on the electronic substrate, a housing that supports the recording element substrate and the electronic substrate and is made of a first resin material, and a cover member that surrounds and shields the electric element and is made of a second resin material, wherein the second resin material has higher heat resistance than the first resin material.
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3.发明授权公开(公告)号：US09770911B2
公开(公告)日：2017-09-26
申请号：US15160167
申请日：2016-05-20
发明人： Genji Inada , Hiromasa Amma , Takuya Iwano , Chiaki Muraoka , Tokuji Kudo , Shimpei Yoshikawa , Monta Matsui
CPC分类号： B41J2/175 , B41J2/17509 , B41J2/17513 , B41J2/17553 , B41J2/19 , B41J29/02
摘要： In a liquid ejection head and a liquid ejection apparatus that can suppress deterioration of image quality, a plurality of second beam-shaped member is provided on the downstream side of a first beam-shaped member in a flow passage connected to an ejection element substrate. The first beam-shaped member divides the flow passage into two flow passages in a liquid-flowing direction and the second beam-shaped member sandwich a line extending from the first beam-shaped member in the liquid-flowing direction.
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公开(公告)号：US20160339699A1
公开(公告)日：2016-11-24
申请号：US15154326
申请日：2016-05-13
发明人： Shimpei Yoshikawa , Chiaki Muraoka , Tokuji Kudo , Hiromasa Amma , Takuya Iwano , Kimiyuki Hayasaki
IPC分类号： B41J2/14
CPC分类号： B41J2/1752 , B41J2/1753 , B41J2/17546 , B41J2002/14491
摘要： To provide a liquid ejecting head and a liquid ejecting apparatus that can suppress the influence of noise on a control signal. The liquid ejecting head has: a plurality of terminals for being electrically connected with a contact point provided in a liquid ejecting apparatus; and a liquid ejecting element substrate having a liquid ejecting element formed for ejecting liquid in response to a control signal transmitted from the liquid ejecting apparatus. A power source terminal for drive and a ground terminal for drive, for driving the liquid ejecting element are arranged adjacent to each other; and a power source wiring that connects the power source terminal for drive with the liquid ejecting element substrate, and a ground wiring that connects the ground terminal for drive with the liquid ejecting element substrate are at least partially arranged in parallel.
摘要翻译： 提供能够抑制噪声对控制信号的影响的液体喷射头和液体喷射装置。 液体喷射头具有：与设置在液体喷射装置中的接触点电连接的多个端子; 以及液体喷射元件基板，具有响应于从液体喷射装置发送的控制信号而形成为喷射液体的液体喷射元件。 用于驱动的电源端子和用于驱动液体喷射元件的用于驱动的接地端子彼此相邻布置; 以及将驱动用电源端子与液体喷射元件基板连接的电源布线和将驱动用接地端子与液体喷射元件基板连接的接地布线至少部分地并排布置。
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公开(公告)号：US09981476B2
公开(公告)日：2018-05-29
申请号：US15334061
申请日：2016-10-25
发明人： Chiaki Muraoka , Yukuo Yamaguchi , Mikiya Umeyama , Hiromasa Amma , Takuya Iwano , Tokuji Kudo , Shimpei Yoshikawa
CPC分类号： B41J2/1753 , B41J2/1433 , B41J2/17509 , B41J2/1752 , B41J2/17526 , B41J2/17553 , B41J29/02 , B41J29/13 , B41J2002/14491
摘要： A liquid discharge head includes a recording element substrate including a recording element, an electronic substrate disposed outside the recording element substrate, an electric element mounted on the electronic substrate, a housing that supports the recording element substrate and the electronic substrate and is made of a first resin material, and a cover member that surrounds and shields the electric element and is made of a second resin material, wherein the second resin material has higher heat resistance than the first resin material.
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公开(公告)号：US09902163B2
公开(公告)日：2018-02-27
申请号：US15154222
申请日：2016-05-13
发明人： Shimpei Yoshikawa , Chiaki Muraoka , Tokuji Kudo , Hiromasa Amma , Takuya Iwano , Kimiyuki Hayasaki
IPC分类号： B41J2/175
CPC分类号： B41J2/1753 , B41J2/1752 , B41J2/17526
摘要： A liquid ejecting head and a liquid ejecting apparatus that can suppress the influence of noise on a control signal includes a plurality of terminals for being electrically connected with a contact point provided in a liquid ejecting apparatus, and a liquid ejecting element substrate having a liquid ejecting element formed for ejecting liquid in response to a control signal transmitted from the liquid ejecting apparatus. The plurality of terminals includes signal terminals and ground terminals for control, for controlling the liquid ejecting element, and the signal terminals and the ground terminals for control are arranged at positions closer to the liquid ejecting element substrate than other terminals.
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公开(公告)号：US09884485B2
公开(公告)日：2018-02-06
申请号：US15154326
申请日：2016-05-13
发明人： Shimpei Yoshikawa , Chiaki Muraoka , Tokuji Kudo , Hiromasa Amma , Takuya Iwano , Kimiyuki Hayasaki
CPC分类号： B41J2/1752 , B41J2/1753 , B41J2/17546 , B41J2002/14491
摘要： A liquid ejecting head and a liquid ejecting apparatus are designed so as to suppress the influence of noise on control signals. The liquid ejecting head has a plurality of terminals electrically connected with a contact point provided in the liquid ejecting apparatus, and a liquid ejecting element substrate having a liquid ejecting element formed for ejecting liquid in response to the control signals transmitted from the liquid ejecting apparatus. A power source terminal for drive and a ground terminal for drive, which are provided for driving the liquid ejecting element, are arranged adjacent to each other, and a power source wiring that connects the power source terminal for drive with the liquid ejecting element substrate and a ground wiring that connects the ground terminal for drive with the liquid ejecting element substrate are at least partially arranged in parallel.
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公开(公告)号：US20160339697A1
公开(公告)日：2016-11-24
申请号：US15151964
申请日：2016-05-11
发明人： Genji Inada , Hiromasa Amma , Takuya Iwano , Chiaki Muraoka , Tokuji Kudo , Shimpei Yoshikawa
IPC分类号： B41J2/14
CPC分类号： B41J2/175 , B41J2/14145 , B41J2/17509 , B41J2/17513 , B41J2/17523 , B41J2/17553 , B41J2/17563 , B41J29/02 , B41J2202/07
摘要： Provided is a liquid ejection head and a liquid ejection apparatus capable of reducing the occurrence of ejection malfunction. In a connecting section where a first flow channel and a second flow channel connect, a projecting member is provided on the flow channel wall forming the second flow channel.
摘要翻译： 提供了能够减少喷射故障的发生的液体喷射头和液体喷射装置。 在第一流动通道和第二流动通道连接的连接部分中，在形成第二流动通道的流动通道壁上设置有突出部件。
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公开(公告)号：US09718274B2
公开(公告)日：2017-08-01
申请号：US15151964
申请日：2016-05-11
发明人： Genji Inada , Hiromasa Amma , Takuya Iwano , Chiaki Muraoka , Tokuji Kudo , Shimpei Yoshikawa
CPC分类号： B41J2/175 , B41J2/14145 , B41J2/17509 , B41J2/17513 , B41J2/17523 , B41J2/17553 , B41J2/17563 , B41J29/02 , B41J2202/07
摘要： In a liquid ejection head and a liquid ejection apparatus capable of reducing the occurrence of ejection malfunction, in a connecting section where a first flow channel and a second flow channel connect, a projecting member is provided on the flow channel wall forming the second flow channel.
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公开(公告)号：US20170190176A1
公开(公告)日：2017-07-06
申请号：US15397229
申请日：2017-01-03
发明人： Tokuji Kudo , Chiaki Muraoka , Shimpei Yoshikawa , Yuichiro Akama , Yuji Tamaru , Yosuke Takagi , Takaaki Yamaguchi
IPC分类号： B41J2/14
CPC分类号： B41J2/1433 , B41J2/14072 , B41J2/14129 , B41J2002/14491
摘要： A liquid ejection head includes an energy generating element configured to generate energy used for ejection of a liquid, a print element board including an electroconductive anti-cavitation film provided to cover the energy generating element, and a connection board electrically connected to the anti-cavitation film and including a connection pad electrically connectable from outside.
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