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2086results about "Inking apparatus" patented technology

Piezoelectric element, liquid ejection head, and printer

A piezoelectric element includes: a first electrode provided above a substrate; a piezoelectric layer provided above the first electrode; a second electrode provided above the piezoelectric layer; and a moisture-resistant layer covering at least a part of the piezoelectric layer, and when secondary ion mass spectrometry is performed on the piezoelectric layer, a hydrogen concentration calculated based on an integrated intensity in a range of 50 nm or more and 300 nm or less from a surface of the piezoelectric layer is 1.50×1015 atom / cm2 or less.
Owner:SEIKO EPSON CORP

Liquid discharge apparatus and head module

There is provided a head module in which a first direction is a main scanning direction, including: a first nozzle row including a first nozzle; a second nozzle row including a second nozzle; and a third nozzle row including a third nozzle, in which a distance P1 between the first nozzle row and the second nozzle row in the first direction and a distance P2 between the first nozzle row and the third nozzle row in the first direction are expressed as P1:P2=E1:O1 where a value E1 is a positive even number and a value O1 is a positive odd number satisfying O1>E1.
Owner:SEIKO EPSON CORP

Liquid discharge system

A liquid discharge system includes: a first head having a first nozzle, from which a liquid is to be discharged, on a first nozzle face oriented in a first direction; a second head having a second nozzle, from which a liquid is to be discharged, on a second nozzle face oriented in a second direction different from the first direction; a head holder holding the first head and the second head; a first sealer configured to contact and seal the first nozzle face; a second sealer configured to contact and seal the second nozzle face; a first cleaner configured to clean the first nozzle face in a state where the first sealer has contacted and sealed the first nozzle face; and a second cleaner configured to clean the second nozzle face in a state where the second sealer has contacted and sealed the second nozzle face.
Owner:RICOH CO LTD

Liquid Ejection Apparatus

A liquid ejection apparatus includes a first piezoelectric element, a first pressure chamber, a second piezoelectric element, a second pressure chamber, a nozzle flow path which communicates with the first pressure chamber and the second pressure chamber and which is provided with a nozzle, and a determination unit configured to determine a liquid state at the nozzle based on a first detection signal which represents a change in electromotive force of the first piezoelectric element after at least one of the first piezoelectric element and the second piezoelectric element is driven, and a second detection signal which represents a change in electromotive force of the second piezoelectric element after at least another of the first piezoelectric element and the second piezoelectric element is driven.
Owner:SEIKO EPSON CORP

PCB vertical vacuum hole plugging machine

The invention relates to a PCB vertical vacuum hole plugging machine which comprises an LCS ink supply system and a hole plugging system, the LCS ink supply system is connected with the hole plugging system, the LCS ink supply system comprises a high-vacuum bin, a filtering device, a stirring defoaming device, an oil supply assembly and a station switching assembly, the filtering device is arranged on the outer side of the high-vacuum bin, and the stirring defoaming device is arranged on the outer side of the high-vacuum bin. The station switching assembly, the stirring and defoaming device and the oil supply assembly are arranged in the high-vacuum bin body, a filtering station corresponding to the filtering device is arranged in the high-vacuum bin body, a stirring and defoaming station corresponding to the stirring and defoaming device is arranged in the high-vacuum bin body, an oil supply station corresponding to the oil supply assembly is arranged in the high-vacuum bin body, and the oil supply assembly is connected with the hole plugging system; the rear chock plug is designed to be capable of automatically ascending and descending, automatic face turning and hole plugging can be achieved for double-face blind holes, double-face back drilling plates and the like, and the more automatic hole plugging capacity is achieved. According to the PCB vertical vacuum hole plugging machine, high-automation production of ink recovery, filtering, defoaming, oil supply and automatic turn-over hole plugging of the PCB vertical vacuum hole plugging machine is achieved, and the production efficiency is improved.
Owner:SHENZHEN SHEN EATAUNT ELECTRONIC CO LTD

Three-Dimensional Object Printing Apparatus And Path Generation Method

A three-dimensional object printing apparatus includes a liquid ejection head that has a plurality of nozzles ejecting a liquid toward a workpiece, a multi-joint robot that has a tip end portion supporting the liquid ejection head and causes the liquid ejection head to scan with respect to the workpiece, and a control portion that creates a printing path along which the liquid ejection head is scanned, in which the control portion generates smoothing data by performing smoothing processing on workpiece data indicating a shape of a printing surface, which is a surface of the workpiece to be printed, and creates the printing path based on the smoothing data.
Owner:SEIKO EPSON CORP

Liquid ejecting head and liquid ejecting apparatus

A liquid ejecting head includes: a head chip; a fixing plate having a first surface facing in an ejection direction, a second surface that is opposite from the first surface, and a lateral surface; and a holder configured to hold the head chip between itself and the fixing plate. In a plan view as seen toward the first surface, the first surface includes a water repellent region having water repellency, and a hydrophilic region that is disposed between the water repellent region and the lateral surface, and has lower water repellency than the water repellent region, and part of mold is bonded to the hydrophilic region of the first surface, the mold being disposed between the lateral surface and at least one of the head chip or the holder.
Owner:SEIKO EPSON CORP

Inkjet print head for selective dropwise dosing of a liquid in a 3D printer

Inkjet print head (1) for selectively dosing a liquid (F) dropwise in a 3D printer, the inkjet print head (1) comprising: - an inkjet printing module (100) for selectively dosing the liquid (F) dropwise, the inkjet printing module (100) comprising: ▪ a liquid inlet (110) for supplying the liquid (F) into the inkjet printing module (100); ▪ at least one nozzle (120) for dispensing a metered drop of the liquid (FT) in the 3D printer; ▪ and a liquid return (130) for returning a return medium (R) from the inkjet printing module (100), comprising at least one liquid return capillary (131) for returning the return medium (M) from the nozzle (120), wherein the return medium (R) comprises the liquid (F) and / or a disturbing medium (S), in particular air (L) and / or particles (P) taken up into the nozzle (120) from the 3D printer; - a liquid tank (200) for holding the liquid (F) and for supplying the liquid inlet (110) of the inkjet printing module (100) with the liquid (F), wherein the liquid tank (200) comprises: ▪ a liquid supply (210) for supplying liquid (F) to the liquid tank (200); ▪ a vacuum connection (230) for applying a vacuum (U), in particular at the liquid tank (200), wherein a meniscus equilibrium pressure (MGD) in the nozzle (120) can be set as a result of the vacuum (U), by means of which an uncontrolled escape of the liquid (F) from the nozzle (120) and / or an uncontrolled suction of the interfering medium (S) from the 3D printer into the nozzle (120) is prevented; ▪ and a return liquid supply (240) for returning liquid (F) from the inkjet printing module (100) via the liquid return (130) into the liquid tank (200); - and a return pump (300) for pumping the return medium (R) from the inkjet printing module (100) via the liquid return (130) into the return liquid supply (240); wherein a pulsation damper (400) is arranged between the return pump (300) and the liquid return (130).
Owner:VOXELJET AG

Thermal transfer printer

The utility model belongs to the technical field of thermal transfer printing, and discloses a thermal transfer printer. The thermal transfer printer comprises two reels, a printing mechanism, a first driving assembly, a bearing frame and a guiding assembly, the two reels can rotate around the axes of the reels, a colored tape is wound on one reel, the free end of the colored tape is fixed to the other reel, the printing mechanism comprises a first installation part and a wide printing assembly, and the wide printing assembly is arranged on the first installation part. The wide-width printing assembly extends in the Y-axis direction and is movably arranged on a first mounting part in the Z-axis direction, the first mounting part is connected with a first driving assembly, the first driving assembly is configured to drive the printing mechanism to move in the X-axis direction, the bearing frame comprises two bearing plates arranged in the Y-axis direction, and guide assemblies are arranged on the bearing plates; the two ends of the first mounting part are correspondingly arranged on the upper side faces of the two bearing plates in a sliding mode through guide assemblies, and the guide assemblies can provide guidance for movement of the printing mechanism in the X-axis direction.
Owner:SHANGHAI DIKAI CODING IND

Liquid ejecting head

PendingUS20250276520A1Inking apparatus
A liquid ejection head includes: a vibration plate, and a piezoelectric element having a first electrode, a piezoelectric layer, and a second electrode, which are laminated in a lamination direction, wherein the piezoelectric layer is formed of a piezoelectric material containing lead as a constituent element, the first electrode has an electrode layer and a lead-containing layer disposed between the electrode layer and the vibration plate and containing lead, and when, of two regions arranged in a crossing direction, which is a direction crossing the lamination direction, when seen in the lamination direction, a region farther away from a center of the first electrode is a first region and a region closer to the center of the first electrode is a second region, a lead content percentage in the lead-containing layer in the first region is higher than a lead content percentage in the lead-containing layer in the second region.
Owner:SEIKO EPSON CORP

Liquid discharge unit, printing device and printing method

To provide a liquid discharge unit that when performing printing by discharging liquid with high viscosity which is used for a road surface, wall surfaces of architectural structures such as an exterior and an interior, wall surfaces of civil engineering structures such as a bridge and a tunnel and a porous material, can stably discharge the liquid through a nozzle hole which has been put in an uncapped state (a state where a nozzle is not capped in order to preventing the nozzle from drying and is exposed).SOLUTION: The liquid discharge unit comprises a nozzle part that discharges liquid with high viscosity. The nozzle part comprises a nozzle hole, a nozzle plate having the nozzle hole, a liquid chamber that supplies liquid to the nozzle hole, and a needle valve that closes or opens the nozzle hole at a tip thereof, while moving back and forth in the liquid chamber, where a liquid repellent layer whose surface free energy is less than 29 mJ / m2 is formed on a surface of the nozzle plate.SELECTED DRAWING: None
Owner:RICOH CO LTD

Method of manufacturing display apparatus

A method of manufacturing a display apparatus includes discharging liquid droplets in a first area of a substrate, moving a discharge part by a first distance along a side of the substrate and discharging the liquid droplets in a second area of the substrate, and moving the discharge part by a second distance along the side of the substrate and discharging the liquid droplets in a third area of the substrate. The first distance is different from the second distance.
Owner:SAMSUNG DISPLAY CO LTD

Painting system

To provide a coating system that can improve the property of discharging air bubbles and foreign matter from inside a coating head unit.SOLUTION: A painting robot 10 comprises: a painting head unit 50 comprising a painting head 53; a robot arm R1, which moves the painting head unit 50 to a desired position; a head control unit 90, which controls operation of the painting head 53; and a control unit comprising a robot arm control unit 70, which controls operation of the robot arm R1. The robot arm control unit 70 is configured to perform: head movement control to move the painting head unit 50 to shift a posture of the painting head unit 50 from an ejection position of ejecting droplets, so as to move air bubbles B1 present in the painting head 53; and posture return control to return the posture of the painting head unit 50 to the ejection position. The head control unit 90 is configured to perform droplet ejection control to eject droplets from a nozzle 54 during or immediately after the posture return control.SELECTED DRAWING: Figure 2
Owner:ABB (SCHWEIZ) AG

Liquid discharge apparatus

There is provided a liquid discharge apparatus including: a first substrate and a second substrate are positioned such that the first substrate front surface and the second substrate front surface face each other along a fourth direction intersecting both a first direction and a second direction, the first drive circuit provided on the first substrate overlaps with at least a part of the second drive circuit provided on the first substrate, and a first integrated circuit included in the first drive circuit does not overlap with a second integrated circuit included in the second drive circuit, along the second direction, and the first drive circuit overlaps with at least a part of a third drive circuit provided on the second substrate, and the first integrated circuit included in the first drive circuit does not overlap with a third integrated circuit included in the third drive circuit, along the fourth direction.
Owner:SEIKO EPSON CORP

Liquid jet head and liquid jet device

To provide a liquid jet head which is prevented from deteriorating in reliability, and a liquid jet device.SOLUTION: The liquid jet head comprises: a head module including a flow passage opening forming member and a chip; a supply flow passage member that supplies liquid to the head module; an elastic seal member that liquid-tightly connects the flow passage opening forming member to the supply flow passage member; and a fixing member fixing the supply flow passage member to the flow passage opening forming member. A seal region held by the flow passage opening forming member and the supply flow passage member of the seal member overlaps with the chip when viewed in a jetting direction. A dimension in the jetting direction of a portion overlapping with the seal region, of the flow passage opening forming member, is larger than a distance between the seal region and the fixing member when viewed in the jetting direction.SELECTED DRAWING: Figure 5
Owner:SEIKO EPSON CORP

RFID printer for single hang tag

The utility model relates to an RFID (Radio Frequency Identification Device) printer for a single hang tag, which comprises a thermal transfer ribbon printer and an RFID reader-writer, a hang tag stacking and conveying device is arranged in a hang tag stacking area, a plurality of hang tags are stacked on a conveying surface of a conveying belt in the hang tag stacking and conveying device, and an RFID tag is embedded in each hang tag; the thermal transfer ribbon printing head can conduct online thermal transfer printing on passing hangtags through a walking thermal transfer ribbon, a hangtag one-by-one output device is arranged at the output end of the hangtag stacking and conveying device, and an RFID read-write antenna is installed in the hangtag printing area and located between the hangtag one-by-one output device and the thermal transfer ribbon printing head. And the RFID reader-writer can write data into the hang tags which pass one by one through the RFID read-write antenna. The system has the advantages that firstly, the printer can perform online printing and data entry on a single hang tag embedded with an RFID tag at the same time, the printer can ensure that the single hang tag is printed one by one and data is entered one by one, and the hang tag is not easy to be stuck; and thirdly, the printer can print hang tags with different thicknesses, and is good in printing applicability and convenient to adjust.
Owner:ZHEJIANG LEIDAN TECH CO LTD

Head chip, liquid jet head, liquid jet recording device and head chip manufacturing method

To provide a head chip that can suppress a driving electrode from being disconnected and is excellent in reliability over the long term, a liquid jet head, a liquid jet recording device, and a head chip manufacturing method.SOLUTION: A head chip according to one embodiment described in the disclosure comprises: a pressure chamber in which liquid is stored; a chip main body having a driving part arranged at a portion facing the pressure chamber; a driving electrode formed on the driving part; and driving wiring formed on the chip main body to connect the driving electrode to external wiring. The driving wiring comprises a first wiring part which has a first region and a second region, connected in an extending direction of the driving wiring to the first region, whose cross sectional areas in a direction orthogonal to the extending direction are smaller than cross sectional areas of the first region, and a second wiring part leading, in a direction crossing the extending direction, at least to the second region.SELECTED DRAWING: Figure 7
Owner:SII PRINTEK INC

Liquid discharge apparatus

There is provided a liquid discharge apparatus including a substrate unit, in which the substrate unit includes a wiring substrate which is a rigid flexible substrate having a plurality of rigid members and flexible member, the flexible member includes a first surface, a second surface, a first region, a second region, and a third region, a first rigid member among the plurality of rigid members is laminated on the first surface of the first region such that a first front surface, the second rigid member among the plurality of rigid members is laminated on the first surface of the second region such that a second front surface, the flexible member includes a power supply voltage wiring, and the power supply voltage wiring is continuously provided over the first region, the second region, and the third region of the flexible member.
Owner:SEIKO EPSON CORP

Dielectric thin film, dielectric thin film element, piezoelectric actuator, piezoelectric sensor, head assembly, head stack assembly, hard disk drive, printer head and inkjet printer device

Provided is a dielectric thin film including a metal oxide. The metal oxide includes bismuth, sodium, barium, and titanium, at least a part of the metal oxide is a tetragonal crystal having a perovskite structure, and a (100) plane of at least a part of the tetragonal crystal is oriented in a normal direction of a surface of the dielectric thin film.
Owner:TDK CORP +1

Piezoelectric element, liquid dispensing head, and liquid dispensing device

To provide a piezoelectric element that can improve the insulating properties of the piezoelectric layer. [Solution] A piezoelectric element comprising a substrate, a first electrode provided on the substrate, a piezoelectric layer provided on the first electrode and containing potassium, sodium, and niobium, and a second electrode provided on the piezoelectric layer, wherein the piezoelectric layer has a first layer provided on the first electrode and a second layer provided on the first layer, and the piezoelectric layer has a first region including a first interface between the first layer and the second layer and a second region located within the first layer without including the first interface, and the molar ratio of potassium to sodium in the first region is greater than the molar ratio in the second region.
Owner:SEIKO EPSON CORP

Liquid discharge head and liquid discharge device

PendingJP2025088261AInking apparatus
To provide a liquid discharge head which can increase the size of droplets discharged from nozzles and a liquid discharge device.SOLUTION: A liquid discharge head 10 includes: a nozzle plate 14 having nozzle arrays in which nozzles 14a for discharging a liquid are lined up; and a plurality of liquid discharge modules 1 each including a needle valve 8 serving as a valve member which opens or closes the nozzles 14a, and a moving mechanism 6 which moves the needle valve 8 between an open position where the needle valve 8 opens the nozzles 14a and a closing position where the needle valve 8 closes the nozzles 14a. The moving mechanism 6 has: an actuator 2; and an arm member 3 which moves the needle valve 8 in conjunction with displacement of the actuator 2. When viewed in a nozzle arrangement direction, the plurality of liquid discharge modules 1 are arranged in an alternating manner in the nozzle arrangement direction so that parts of the arm member 3 are overlapped. Further, the arm member 3 amplifies displacement of the actuator 2 to move the needle valve 8.SELECTED DRAWING: Figure 4
Owner:RICOH CO LTD

Printhead force adjust and lift system and method

The present disclosure is directed to a printhead assembly for use in a printer. The printhead assembly includes a printhead positioned to engage a platen roller of the printer and a printhead holder retaining the printhead. The printhead assembly also includes a cam shaft designed to rotate into an idle position and one or more active positions and a force cam connected to the cam shaft and positioned to apply a variable downward force to the printhead. The printhead assembly further includes lift cams connected to the cam shaft and positioned to engage the printhead holder. The force cam causes the printhead to apply a nip force to the platen roller when the cam shaft is in any of the active positions. The lift cams engage the printhead holder and move the printhead out of engagement with the platen roller when the cam shaft is in the idle position.
Owner:BRADY WORLDWIDE INC

Liquid discharge apparatus

There is provided a liquid discharge apparatus including a substrate unit, and includes a wiring substrate having a plurality of rigid members and flexible member, in which a first rigid member, and a second rigid member are positioned facing each other, a third rigid member laminated on a first surface of a third region of the flexible member is positioned such that a normal direction of a third front surface intersects a normal direction of a first front surface and a second front surface, the second connector is provided on a fourth rigid member laminated on a second surface of a third region of the flexible member, and a size of the third rigid member and a fourth rigid member is smaller than a size of the print head when a first discharge section is viewed from the first connector.
Owner:SEIKO EPSON CORP

Liquid discharge apparatus

There is provided a liquid discharge apparatus including: a print head; a substrate unit; and a control circuit that controls operations of the print head and the substrate unit, in which the print head includes a first discharge section that has a first piezoelectric element that is displaced by receiving a first driving signal and discharges a liquid by displacement of the first piezoelectric element, and a first connector, the substrate unit includes a second connector that is electrically coupled to the print head by being fitted to the first connector, a first drive circuit that outputs the first driving signal, a temperature sensor that acquires environmental temperature, and a wiring substrate provided with the first drive circuit and the temperature sensor, and the control circuit controls the first drive circuit and the print head based on the environmental temperature acquired by the temperature sensor.
Owner:SEIKO EPSON CORP

Liquid discharge system

A liquid discharge system includes: a head (300) including: a nozzle (302) from which a liquid is to be discharged; a liquid chamber (311) communicating with the nozzle through a communication port; a nozzle face (301) on which the nozzle is formed; and a valve (304) configured to open or close the communication port; and a cleaner (708) including a cleaning nozzle (201) to supply a cleaning liquid to the nozzle face, wherein the cleaner supplies the cleaning liquid from the cleaning nozzle to the nozzle face in a state where the valve has closed the communication port.
Owner:RICOH CO LTD

Liquid spray head and two-part adhesive

To provide a liquid spray head having a cured adhesive product that has a low environmental impact, is fast-curing, and acid-resistant. [Solution] The liquid spray head is a liquid spray head that sprays liquid from a nozzle and comprises a first member, a second member, and a cured product of a two-component mixed adhesive that adheres the first member and the second member. The two-component mixed adhesive comprises liquid A, which contains a main component including an epoxy resin that does not contain bisphenol; liquid B, which contains at least one of 2,5-bis(aminomethyl)bicyclo[2.2.1]heptane and 2,6-bis(aminomethyl)bicyclo[2.2.1]heptane and an alkylphenol; and a polymer of an aromatic amine contained in liquid A or liquid B. The alkylphenol is (a) an alkylphenol having at least one ethyl group, or (b) an alkylphenol having 1 to 3 carbon atoms in the alkyl group and at least one methyl group and one isopropyl group.
Owner:SEIKO EPSON CORP