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公开(公告)号：US11996341B2
公开(公告)日：2024-05-28
申请号：US17456658
申请日：2021-11-29
Applicant: SEIKO EPSON CORPORATION
Inventor： Shunsuke Yamamichi , Yusuke Matsumoto
CPC classification number: H01L23/34 , B41J2/04541 , B41J2/14201 , B41J29/377 , H03F3/217 , B41J2/04581 , B41J2202/08 , H01L2023/4068
Abstract: There are provided a first fixing section to a third fixing section that fix a heat sink to a substrate on which a first driving circuit and a second driving circuit are disposed; the first drive circuit includes first transistor and first integrated circuit, and the second drive circuit includes second transistor and second integrated circuit, lengths of the first transistor and the second transistor in the normal direction of the substrate are longer than lengths of the first integrated circuit and the second integrated circuit, the first fixing section and the second fixing section overlap a first virtual straight line that connects the first transistor and the second transistor, and the third fixing section overlaps a second virtual straight line that connects the first integrated circuit and the second integrated circuit to each other.
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公开(公告)号：US11981134B2
公开(公告)日：2024-05-14
申请号：US17788296
申请日：2020-12-25
Applicant: KYOCERA CORPORATION
Inventor： Kazuki Dogome
IPC: B41J2/14
CPC classification number: B41J2/14201 , B41J2002/14411
Abstract: A liquid discharge head includes a base plate, a cavity plate located on the base plate and including a cavity, and a piezoelectric actuator substrate located on the cavity plate. The cavity plate includes: a first groove located inside a contact region with the piezoelectric actuator substrate and configured to release an adhesive for bonding the cavity plate and the piezoelectric actuator substrate; and a second groove located in a manner to surround the contact region with the piezoelectric actuator substrate and configured to release the adhesive. The base plate includes a third groove configured to open the first groove to the atmosphere. The third groove is configured to communicate between the first groove and the outside through a first hole communicating with the first groove and a second hole located outside the contact region of the cavity plate and the piezoelectric actuator substrate.
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13.发明公开公开(公告)号：US20240131841A1
公开(公告)日：2024-04-25
申请号：US18547507
申请日：2022-02-24
Applicant: YAMAGATA UNIVERSITY , SII PRINTEK INC.
Inventor： Shinri SAKAI , Ryoichi BIZEN
CPC classification number: B41J2/14201 , B41J2/162 , B41J2/1631 , G03F7/20 , G03F7/40
Abstract: The present disclosure provides an inkjet head capable of continuously ejecting droplets at a high frequency even when an ink having high viscosity is used. The present is directed to an inkjet head characterized in that the inkjet head comprises a nozzle plate portion on which a nozzle for ejecting droplets is formed, a vibration plate disposed opposite to an inlet of the nozzle, a weight disposed in contact with the vibration plate, and an actuator in contact with the weight, wherein the actuator is driven by a drive signal to fly the weight to eject ink in the ink chamber formed between the nozzle plate portion and the vibration plate from the nozzle, and wherein a storage space in which the actuator is disposed is configured to be separated from the ink chamber by the vibration plate.
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公开(公告)号：US11958290B2
公开(公告)日：2024-04-16
申请号：US17693677
申请日：2022-03-14
Applicant: Brother Kogyo Kabushiki Kaisha
Inventor： Atsushi Maeda
CPC classification number: B41J2/04581 , B41J2/04588 , B41J2/14201 , B41J2/17596
Abstract: There is provided droplet discharging apparatus including: nozzle configured to discharge liquid by energy generating element; first signal generator configured to generate, based on first and second data representing first and second driving waveforms, first time division multiplex signal; first separator configured to separate first or second driving waveform signal representing the first or second driving waveform from the first time division multiplex signal; second signal generator configured to generate, based on third and fourth data representing third and fourth driving waveforms, second time division multiplex signal; and second separator configured to separate third or fourth driving waveform signal representing the third or fourth driving waveform from the second time division multiplex signal. The energy generating element is driven by the first or second driving waveform signal separated by the first separator, or by the third or fourth driving waveform signal separated by the second separator.
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公开(公告)号：US20240092080A1
公开(公告)日：2024-03-21
申请号：US18517965
申请日：2023-11-22
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kazuhiro Asai , Koji Sasaki , Jun Yamamuro , Shingo Nagata
CPC classification number: B41J2/14201 , B41J2/14072 , B41J2/1607 , B41J2/1623 , B41J2002/14491 , B41J2202/19 , B41J2202/20
Abstract: A liquid ejection head includes a base plate and at least two device chips in which ejection ports for ejecting a liquid are formed and which are disposed on the base plate. At least one first reference mark is provided on the base plate. A second reference mark is provided on each of the device chips. At least one space is formed between adjacent device chips. The second reference marks and the first reference mark present in the space are disposed on an array axis along which the device chips are arrayed.
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Patent Agency Ranking
公开(公告)号：US20240075742A1
公开(公告)日：2024-03-07
申请号：US18458636
申请日：2023-08-30
Applicant: SEIKO EPSON CORPORATION
Inventor： Shinichi YAMAMOTO
CPC classification number: B41J2/155 , B41J2/14201 , B41J11/0015
Abstract: A liquid ejecting head is a liquid ejecting head that is configured to eject a first liquid and a reaction liquid containing an aggregating agent for aggregating the first liquid. The liquid ejecting head includes a plurality of head units. A plurality of head chips having one or more nozzle rows are mounted on each of the plurality of head units, the plurality of head units are arranged side by side along a first axis, and a head chip having a first type nozzle row that is configured to eject the first liquid and a head chip having a second type nozzle row that is configured to eject the reaction liquid are mounted on different head units among the plurality of head units.
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公开(公告)号：US11878518B2
公开(公告)日：2024-01-23
申请号：US17656676
申请日：2022-03-28
Applicant: SEIKO EPSON CORPORATION
Inventor： Atsushi Amano , Toru Matsuyama
CPC classification number: B41J2/04541 , B41J2/0451 , B41J2/04588 , B41J2/14201
Abstract: Provided is a liquid discharging apparatus including a modulation circuit, an amplification circuit, and a demodulation circuit that includes a first capacitor, a second capacitor, and an inductor and outputs the drive signal, one end of the first capacitor and one end of the second capacitor are coupled to one end of the inductor, the first capacitor and the second capacitor are coupled to each other in parallel, the first capacitor includes a first laminated portion in which a resin thin film layer and a first metal thin film layer are laminated, the second capacitor includes a second laminated portion in which a ceramic thin film layer and a second metal thin film layer are laminated, and the electrostatic capacitance of the first capacitor is larger than the electrostatic capacitance of the second capacitor.
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公开(公告)号：US11845291B2
公开(公告)日：2023-12-19
申请号：US17646225
申请日：2021-12-28
Applicant: Seiko Epson Corporation
Inventor： Takanori Aimono
CPC classification number: B41J2/17596 , B41J2/14201 , B41J2/2107 , B41J2/525
Abstract: When a first liquid containing the particles whose particle size average value is a first particle size is supplied to the liquid discharge head, the control device controls the circulation mechanism so that a circulation flow rate of the first liquid in the supply flow path, the nozzle flow path, and the discharge flow path is a first flow rate. When a second liquid containing the particles whose particle size average value is a second particle size larger than the first particle size is supplied to the liquid discharge head, the control device controls the circulation mechanism so that the circulation flow rate of the second liquid is a second flow rate lower than the first flow rate.
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公开(公告)号：US11845280B2
公开(公告)日：2023-12-19
申请号：US17746888
申请日：2022-05-17
Applicant: TOSHIBA TEC KABUSHIKI KAISHA
Inventor： Makoto Oguma , Masashi Shimosato , Isao Suzuki , Tsubasa Konishi
CPC classification number: B41J2/145 , B41J2/04503 , B41J2/14201 , B41J2002/14491
Abstract: A liquid ejecting head of a side shooter type includes a plate including a plurality of nozzles arranged along a first direction and an actuator with a plurality of pressure chambers arranged along the first direction. Each pressure chamber communicates with a corresponding one of the nozzles. The actuator further includes dummy chambers, each of which is between two otherwise adjacent pressure chambers. Common chambers are provided in the actuator. The pressure and dummy chambers are arranged between the common chambers. The end portions of the pressure chambers are connected to a common chamber. The width of the end portions of each of the pressure chambers is less than the width of a portion of the pressure chamber between the end portions.
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公开(公告)号：US20230391086A1
公开(公告)日：2023-12-07
申请号：US18454771
申请日：2023-08-23
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Chien-Hua Chen , Michael W. Cumbie , Michael G. Groh
CPC classification number: B41J2/1639 , B41J2/14016 , B41J2/14201 , B41J2/1601 , B41J2/1607 , B41J2/1625 , B41J2/18
Abstract: An example device may comprise a molded structure and a dependent device coupled to the molded structure. The molded structure comprises thermo-electric traces and channels. The channels are between ten μm and two hundred μm, or less in one dimension. The dependent device comprises apertures corresponding to the channels and through which fluids, electromagnetic radiation, or a combination thereof is to travel. The dependent device also comprises contacts corresponding to the thermo-electric traces of the molded structure.
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