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公开(公告)号：US20200114670A1
公开(公告)日：2020-04-16
申请号：US16712311
申请日：2019-12-12
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Hiroshi YAMAMOTO , Shuhei YOKOYAMA , Takaya KITAWAKI
IPC: B41J29/393
Abstract: A droplet dispensing apparatus includes a droplet ejection device, a microplate holder, a sheet stand, an image capturing device and a controller. The image capturing device is configured to move to a position above the sheet stand. The controller is configured to perform image processing on image data generated from an image captured by the image capturing device when the image capturing device is at the position above the test sheet on the sheet stand, to determine a size of each of test patterns formed by droplets dropped on the test sheet from the array of nozzles. The controller is further configured to generate a data file including the determined size of each of the test patterns. The test sheet colors or discolors at a place receiving a light-transmissive droplet.
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公开(公告)号：US20180085757A1
公开(公告)日：2018-03-29
申请号：US15685891
申请日：2017-08-24
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Shuhei YOKOYAMA , Satoshi KAIHO , Seiya SHIMIZU
IPC: B01L3/00
CPC classification number: B01L3/52 , B01L3/0268 , B01L2200/12 , B01L2200/16 , B01L2300/0829 , B01L2400/0439 , B01L2400/0487 , B41J2/14201 , B41J2/14233 , B41J2002/1437 , B41J2202/15
Abstract: A droplet ejecting apparatus includes a solution holding container having a solution inlet on a first surface for receiving a solution and a solution outlet on a second surface opposite to the first surface, solution-contacting inner surfaces of the solution holding container between the solution outlet and the solution inlet having a convex-curved shape, a nozzle fluidly connected to the solution outlet via a pressure chamber, and an actuator adjacent the nozzle and configured to cause solution to be ejected from the nozzle by changing pressure inside the pressure chamber.
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公开(公告)号：US20180085745A1
公开(公告)日：2018-03-29
申请号：US15683574
申请日：2017-08-22
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Shuhei YOKOYAMA , Satoshi KAIHO
CPC classification number: B01L3/0268 , B01L3/0237 , B01L3/0293 , B01L3/502 , B01L2200/021 , B01L2300/0829 , B01L2300/0893 , B01L2300/0896 , B01L2300/185 , B01L2400/0439 , B01L2400/0442 , B41J2/055 , G01N35/02 , G01N35/10 , G01N35/1002 , G01N35/1074 , G01N2035/1041
Abstract: A droplet ejecting apparatus includes a plurality of nozzle groups each including a plurality of nozzles, a plurality of pressure chambers each configured to supply a solution to a corresponding nozzle of a nozzle group in the plurality of nozzle groups, a plurality of actuators each configured to cause a pressure change in a corresponding pressure chamber in the plurality of pressure chambers to control an ejection of a droplet of the solution from the corresponding nozzle, and a solution holding container having a solution inlet for receiving solution and a solution outlet, the solution holding container being configured to supply the solution to the plurality of nozzle groups via the plurality of pressure chambers.
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公开(公告)号：US20160279942A1
公开(公告)日：2016-09-29
申请号：US15048718
申请日：2016-02-19
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Ryutaro KUSUNOKI , Shuhei YOKOYAMA , Ryuichi ARAI
IPC: B41J2/14
CPC classification number: B41J2/14298 , B41J2/14201 , B41J2/14233 , B41J2/1433 , B41J2/18 , B41J2002/1437 , B41J2202/12 , B41J2202/15
Abstract: According to an embodiment, an inkjet head includes a pressure cell structure. The pressure cell structure includes pressure cells, flow control paths, and slits. The flow control paths are formed on both the sides of the pressure cells, and control flow of ink flowing into the pressure cells. The slits are in communication with the pressure cells and the flow control paths. The width of the slit is smaller than the width of the pressure cell.
Abstract translation: 根据实施例，喷墨头包括压力单元结构。 压力单元结构包括压力单元，流动控制路径和狭缝。 流量控制路径形成在压力单元的两侧，并且控制流入压力池的油墨的流动。 狭缝与压力池和流动控制路径连通。 狭缝的宽度小于压力池的宽度。
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公开(公告)号：US20220184953A1
公开(公告)日：2022-06-16
申请号：US17368740
申请日：2021-07-06
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Shuhei YOKOYAMA , Ryutaro KUSUNOKI
Abstract: A liquid discharge head includes a pressure chamber in which liquid can be stored, a diaphragm forming a bottom wall of the pressure chamber and having a nozzle opening through which liquid supplied from the pressure chamber is discharged in a first direction, and a drive element on a lower surface of the diaphragm and configured to change a volume of the pressure chamber. A protective film covers the drive element and having a first opening corresponding in position with the nozzle opening, and a liquid repellent film covers the protective film and the lower surface of the diaphragm within the first opening. The liquid repellent film has an opening aligned with the nozzle opening and has the same diameter as the nozzle opening. The liquid repellent film on the drive element is thinner than the liquid repellent film on the lower surface of the diaphragm within the first opening.
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Patent Agency Ranking
公开(公告)号：US20210129131A1
公开(公告)日：2021-05-06
申请号：US17144086
申请日：2021-01-07
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Shuhei YOKOYAMA , Satoshi KAIHO , Seiya SHIMIZU , Hiroyuki KUSHIDA
Abstract: According to one embodiment, a liquid medicine discharge device includes a nozzle plate including a nozzle from which a liquid medicine can be discharged, a pressure chamber structure having an outlet on a first surface side and an inlet on a second surface side and a pressure chamber in fluid communication with the nozzle via the outlet on the first side, a liquid holding container on the second surface and in fluid communication with the pressure chamber via the inlet on the second surface, and an actuator configured to cause the liquid medicine to be ejected from the nozzle by changing a pressure in the pressure chamber and including a piezoelectric element formed of a lead-free material.
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公开(公告)号：US20210086511A1
公开(公告)日：2021-03-25
申请号：US16927793
申请日：2020-07-13
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Shuhei YOKOYAMA , Ryutaro Kusunoki
IPC: B41J2/14
Abstract: According to one embodiment, a liquid dispensing apparatus includes a mounting unit configured to hold a liquid discharging apparatus that discharges liquid from nozzles simultaneously by an operation of an actuator. An inspection media placement region is provided on which an inspection medium can be placed to receive the liquid discharged from the liquid discharging apparatus. A controller is configured to control the actuator to vary a volume of the liquid discharged from each nozzle for a nozzle inspection operation. The volume is varied according to a predetermined distance between adjacent nozzles that simultaneously discharge liquid and a predetermined contact angle for a droplet of the liquid when on the inspection medium.
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公开(公告)号：US20190315122A1
公开(公告)日：2019-10-17
申请号：US16274881
申请日：2019-02-13
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Shuhei YOKOYAMA , Takaya KITAWAKI , Hiroshi YAMAMOTO
Abstract: A droplet dispensing apparatus includes a droplet ejection device, a microplate holder, and a sheet stand. The droplet ejection device has a solution holding vessel and an array of nozzles for ejection of droplets communicating with the solution holding vessel. The microplate holder is configured to hold a microplate into which the droplets are ejected. A test sheet being colored or discolored at a place where a light-transmissive droplet is received for testing the array of nozzles can be placed on the sheet stand. The droplet ejection device is configured to move to a first position above the microplate holder for ejection of droplets into the microplate and to a second position above the sheet stand for ejection of droplets onto the test sheet.
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公开(公告)号：US20160375686A1
公开(公告)日：2016-12-29
申请号：US15196334
申请日：2016-06-29
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Shuhei YOKOYAMA , Satoshi KAIHO , Ikuo FUJISAWA , Ryutaro KUSUNOKI
IPC: B41J2/14
CPC classification number: B41J2/14233 , B41J2/14282 , B41J2/14298 , B41J2002/1437 , B41J2002/14475 , B41J2202/11 , B41J2202/15
Abstract: A liquid droplet ejecting apparatus includes a liquid container including an upper opening for receiving liquid and a lower opening for supplying the liquid, the upper opening being larger than the lower opening, and a liquid ejection chip that is fixed to a lower surface of the liquid container, and includes a pressure chamber formed therein, a nozzle to eject liquid from the pressure chamber, and an actuator disposed adjacent to the nozzle. An opening of the pressure chamber is in fluid communication with the lower opening and is entirely included in an area of the lower opening.
Abstract translation: 液滴喷射装置包括：液体容器，包括用于接收液体的上开口和用于供给液体的下开口，上开口大于下开口;以及液体喷射芯片，其固定到液体的下表面 容器，并且包括形成在其中的压力室，用于从压力室喷射液体的喷嘴和邻近喷嘴设置的致动器。 压力室的开口与下开口流体连通，并且完全包含在下开口的区域中。
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公开(公告)号：US20140253639A1
公开(公告)日：2014-09-11
申请号：US14201185
申请日：2014-03-07
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Shuhei YOKOYAMA , Ryutaro KUSUNOKI , Ryuichi ARAI , Masayuki SATOMI
IPC: B41J2/14
CPC classification number: B41J2/14233 , B41J2002/1425 , B41J2002/1437 , B41J2002/14491 , B41J2202/11 , B41J2202/15
Abstract: An ink jet head includes a pressure chamber formed to hold ink, and a nozzle plate including a vibrating plate forming a bottom wall of the pressure chamber, a driving element that is provided on a surface of the vibrating plate and configured to cause a volume of the pressure chamber to be changed by deforming the vibrating plate upon application of voltage to the driving element, an opening through which the ink held in the pressure chamber is discharged in response to the change of the volume of the pressure chamber, and an insulating layer disposed between the driving element and the opening.
Abstract translation: 喷墨头包括形成为保持墨的压力室和包括形成压力室的底壁的振动板的喷嘴板，驱动元件，其设置在振动板的表面上并且构造成使得 通过在对驱动元件施加电压的情况下使振动板变形来改变压力室，响应于压力室的体积的变化而将保持在压力室中的墨水排出的开口，以及绝缘层 设置在驱动元件和开口之间。
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