公开(公告)号：US20190060935A1

公开(公告)日：2019-02-28

申请号：US16105225

申请日：2018-08-20

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Shuhei YOKOYAMA ,  Satoshi KAIHO ,  Ryutaro KUSUNOKI ,  Seiya SHIMIZU

IPC: B05B12/00

Abstract: A liquid dispensing apparatus includes a mounting unit on which a liquid discharging device is mounted, a driving circuit to supply driving power to an actuator of the liquid discharging device mounted on the mounting unit, and a controller configured to supply a first control signal to the driving circuit to drive the actuator of the liquid discharging device to discharge a liquid, and supply a second control signal to the driving circuit after a discharge of the liquid to cause the driving circuit to damage the actuator.

公开(公告)号：US20180272335A1

公开(公告)日：2018-09-27

申请号：US15890070

申请日：2018-02-06

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Masaaki HIGUCHI ,  Satoshi KAIHO ,  Seiya SHIMIZU ,  Shuhei YOKOYAMA ,  Ryutaro KUSUNOKI

IPC: B01L3/02 ,  B01L9/00 ,  B41J2/14 ,  B41J2/045

CPC classification number: B01L3/0268 ,  B01L3/0237 ,  B01L9/54 ,  B01L2200/0605 ,  B01L2200/143 ,  B01L2300/0816 ,  B41J2/04581 ,  B41J2/14048 ,  B41J2/14153 ,  B41J2/14201 ,  B41J2/1433 ,  B41J2002/14241 ,  B41J2002/14475 ,  B41J2202/11 ,  B41J2202/15 ,  G01N35/1016 ,  G01N35/1065 ,  G01N2035/0432 ,  G01N2035/1018 ,  G01N2035/1041

Abstract: According to one embodiment, a droplet dispensing apparatus includes a droplet ejection array having a plurality of nozzles from which droplets can be ejected into a well opening of a microplate plate on a baseplate, a sensor configured to detect a liquid amount in the microplate, and a controller configured to detect that a nozzle in the plurality of nozzles is not discharging during a droplet ejection process based on an initial liquid amount in the microplate as detected by the sensor and a final liquid amount in the microplate as detected by the sensor during a droplet ejection process in which a predetermined number of droplets are to be ejected from the plurality of nozzles into the microplate.

公开(公告)号：US20180272334A1

公开(公告)日：2018-09-27

申请号：US15891166

申请日：2018-02-07

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Masaaki HIGUCHI ,  Satoshi KAIHO ,  Ryutaro KUSUNOKI

IPC: B01L3/02

CPC classification number: B01L3/0241 ,  B01L3/0237 ,  B01L3/0268 ,  B01L2200/0605 ,  B01L2200/143 ,  G01N2035/1041

Abstract: According to one embodiment, a droplet dispensing apparatus include a droplet ejecting array having a plurality of nozzles from which solution can be ejected into a microplate on a baseplate, a sensor configured to detect a solution amount in the microplate, and a controller configured to detect that a nozzle in the plurality of nozzles is malfunctioning during a solution ejection process based on an initial solution amount in the microplate and a final solution amount in the microplate as detected by the sensor, and control a supplemental droplet dispensing operation in which an additional solution amount is ejected into the microplate based on the initial solution amount and the final solution amount in the microplate.

公开(公告)号：US20180169649A1

公开(公告)日：2018-06-21

申请号：US15694974

申请日：2017-09-04

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Shuhei YOKOYAMA ,  Satoshi KAIHO ,  Seiya SHIMIZU ,  Hiroyuki KUSHIDA

IPC: B01L3/00 ,  F04B43/04

CPC classification number: B01L3/502 ,  B01L2300/0829 ,  B01L2300/12 ,  B01L2400/0487 ,  B01L2400/0633 ,  B41J2/14233 ,  B41J2/161 ,  B41J2202/03 ,  B41J2202/15 ,  F04B43/046 ,  F04B2203/0402 ,  H01L41/18

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.

公开(公告)号：US20180088142A1

公开(公告)日：2018-03-29

申请号：US15684883

申请日：2017-08-23

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Shuhei YOKOYAMA ,  Satoshi KAIHO

IPC: G01N35/10 ,  B01L3/02 ,  G01N35/02

CPC classification number: G01N35/1002 ,  B01L3/0237 ,  B01L3/0268 ,  B01L3/0293 ,  B01L2300/0893 ,  B01L2300/185 ,  G01N35/02 ,  G01N35/1074 ,  G01N35/109 ,  G01N2035/1041

Abstract: According to one embodiment, a droplet ejecting apparatus includes a solution holding container having a solution inlet for receiving a solution on a first side and a plurality of solution outlets on a second side, a plurality of droplet ejecting arrays, each droplet ejecting array being respectively connected to one solution outlet in the plurality of solution outlets, and a first nozzle group in each droplet ejecting array fluidly connected to the respective one solution outlet via a pressure chamber structure.

公开(公告)号：US20180065361A1

公开(公告)日：2018-03-08

申请号：US15806453

申请日：2017-11-08

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Shuhei YOKOYAMA ,  Satoshi KAIHO ,  Ikuo FUJISAWA

IPC: B41J2/14 ,  B41J2/045

CPC classification number: B41J2/14 ,  B41J2/04541 ,  B41J2/04581 ,  B41J2/14032 ,  B41J2/14201 ,  B41J2002/14491 ,  B41J2202/15

Abstract: A liquid droplet ejecting apparatus includes a liquid container, a liquid ejection chip that is fixed to a lower surface of the liquid container to receive liquid from 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, a base member having an opening at which the liquid container is fixed such that the nozzle is exposed on a lower surface of the base member, and a circuit substrate fixed to a lower side of the base member and including a wiring electrically connected to the actuator on a lower surface of the circuit substrate.

公开(公告)号：US20170165969A1

公开(公告)日：2017-06-15

申请号：US15213069

申请日：2016-07-18

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Shuhei YOKOYAMA ,  Satoshi KAIHO ,  Ikuo FUJISAWA

IPC: B41J2/14 ,  B41J2/045

CPC classification number: B41J2/14 ,  B41J2/04541 ,  B41J2/04581 ,  B41J2/14032 ,  B41J2/14201 ,  B41J2002/14491 ,  B41J2202/15

Abstract: A liquid droplet ejecting apparatus includes a liquid container, a liquid ejection chip that is fixed to a lower surface of the liquid container to receive liquid from 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, a base member having an opening at which the liquid container is fixed such that the nozzle is exposed on a lower surface of the base member, and a circuit substrate fixed to a lower side of the base member and including a wiring electrically connected to the actuator on a lower surface of the circuit substrate.