Patent application number | Description | Published |
20110148987 | LIQUID EJECTION RECORDING HEAD AND METHOD OF MANUFACTURING THE SAME - A method includes preparing a liquid ejection recording head that includes a substrate including an element generating energy used to eject liquid, a first supporting portion supporting the substrate, a wiring member including a plurality of electrode leads connected to a plurality of electrode pads provided for the substrate, and a second supporting portion supporting the wiring member, the wiring member including a vent that communicates with a region defined by the substrate, the first supporting portion, and the electrode leads and also communicates with an atmosphere, applying a sealing member to surfaces of the electrode leads, and sucking air in the region through the vent to introduce the sealing member into the region. | 06-23-2011 |
20120188311 | LIQUID DISCHARGE HEAD AND METHOD FOR MANUFACTURING THE SAME - A liquid discharge head includes: a recording element substrate and a plurality of electric connection units; and an electric wiring member that includes a plurality of input terminals, a plurality wirings held between films and electrically connected to the plurality of input terminals, and a plurality of lead lines conducted to the plurality of wirings. In this case, the plurality of wirings include a power line for supplying power to the energy generation elements and a signal line for supplying a signal to the energy generation elements. Relationships of A>B and B07-26-2012 | |
20130027463 | INK CARTRIDGE AND INK JET RECORDING METHOD - An ink cartridge including a housing formed with a resin and an ink stored in the housing, wherein the resin includes a white mica composition; the ink includes a salt and a self-dispersible pigment having a functional group that contains two phosphonic acid groups and is bonded to the particle surface thereof; the salt includes a specific cation and a specific anion; and an amount of calcium in the ink after the ink is preserved in the housing at 60° C. for 2 months is 10.0 ppm or less. | 01-31-2013 |
20130222463 | INKJET HEAD AND METHOD OF MANUFACTURING INKJET HEAD - An inkjet head including a substrate configured to discharge ink including a supporting surface formed of a resin material and configured to support the substrate, the supporting substrate including a portion continuing to a surface intersecting the supporting surface and forming a corner portion, the portion forming the corner portion including a non surface treated area which is not surface treated, the supporting surface including a portion adjacent to the non surface treated area being surface treated areas which is surface treated, wherein the substrate and the supporting surface are bonded via an adhesive agent disposed in the non surface treated area and the surface treated area. | 08-29-2013 |
20130293636 | LIQUID DISCHARGE HEAD AND METHOD FOR MANUFACTURING THE SAME - A liquid discharge head includes: a recording element substrate and a plurality of electric connection units; and an electric wiring member that includes a plurality of input terminals, a plurality wirings held between films and electrically connected to the plurality of input terminals, and a plurality of lead lines conducted to the plurality of wirings. In this case, the plurality of wirings include a power line for supplying power to the energy generation elements and a signal line for supplying a signal to the energy generation elements. Relationships of A>B and B11-07-2013 | |
20140307027 | LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS - A liquid ejection head includes a recording element substrate having an ejection port, a support member having a recessed portion, and supporting the recording element substrate by a bottom portion of the recessed portion, wiring electrically connected to the recording element substrate and extending between the recording element substrate and a side surface of the recessed portion, a sealant with which the wiring is covered, and a passage formed in the support member, and allowing a first region where the sealant is placed, and a second region different from the sealed region to communicate with each other. | 10-16-2014 |
20140333695 | LIQUID EJECTION APPARATUS AND LIQUID EJECTION HEAD - A liquid ejection head including a recording element substrate provided with an element formed on one surface of the substrate for generating energy for ejecting liquid as well as a first and a second supply port each piercing between both surfaces of the substrate for supplying the liquid to the element; a support member provided with a first and a second liquid storage portion, a first and a second communication path that respectively allows the first and the second supply port to communicate with the first and the second liquid storage portion, the support member supporting the other surface of the substrate. The length of the first communication path is longer than that of the second communication path. The horizontal cross-sectional area of the first communication path in a direction perpendicular to the liquid supply direction is larger than that of the second communication path. | 11-13-2014 |
20150343770 | LIQUID EJECTION CARTRIDGE AND LIQUID EJECTION APPARATUS - A liquid ejection head includes a liquid ejection section including an element substrate having ejection ports for ejecting liquid and an electrical wiring substrate connected to a contact of the liquid ejection apparatus to transmit signals to the element substrate, a liquid tank loading section including a containing space for containing a liquid tank storing liquid to be supplied to the element substrate and a lock member having an engaging part for engaging with a holding part of the liquid tank and a fixation means for rigidly securing the liquid election section and the liquid tank loading section in position. | 12-03-2015 |
20150343771 | LIQUID EJECTION HEAD, LIQUID EJECTION DEVICE AND METHOD OF ELECTRICALLY CONNECTING LIQUID EJECTION HEAD AND LIQUID CONTAINER - A liquid ejection head includes a recording element substrate for ejecting liquid, a mounting section to be loaded with a liquid container, and a connector equipped with a contact spring capable of expanding and contracting in an axial direction to be brought into contact with a contact substrate provided on the liquid container. The axial direction of the contact spring being inclined relative to the direction of loading the liquid container in the mounting section. | 12-03-2015 |
20150343772 | LIQUID EJECTION HEAD - A liquid ejection head including: an ejection section for ejecting liquid; an electrical wiring substrate having terminals to be electrically connected to the respective electrical contacts of a liquid ejection apparatus; a first loading section to be loaded with a first liquid storing container; and a second loading section to be loaded with a second liquid storing container having a width greater than the first liquid storing container; the wall of the liquid ejection head being provided with a rib extending in the height direction on the surface opposite to the surface mounted by the electrical wiring substrate; the second loading section and the rib being arranged at respective positions where the second loading section and the rib overlap with each other as viewed in the direction of loading the second liquid storing container in the second loading section. | 12-03-2015 |
20150343774 | LIQUID EJECTING HEAD AND FABRICATING METHOD FOR LIQUID EJECTING HEAD - There are provided a liquid ejecting head having a high fabrication efficiency and a high reliability of an electric connector, and a fabricating method for the liquid ejecting head. A direction in which a channel forming member is incorporated to a casing crosses a direction in which a flat spring is resiliently deformed. In incorporating the channel forming member, an abutment portion formed at the flat spring is allowed to abut on the casing, thus deforming the flat spring. The flat spring is brought into contact with an inside contact pad by a resilient restoring force of the flat spring. | 12-03-2015 |
20150343779 | LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE DEVICE - A liquid discharge head, the liquid discharge head including a liquid chamber and two electrode pins that are inserted in the liquid chamber from an upper portion of the liquid chamber. The two electrode pins are used to detect a remaining amount of liquid inside the liquid chamber on a basis of a communication state between the two electrode pins and are disposed on a centerline that is a line extending through a center of an upper surface of the liquid chamber in a moving direction of the liquid discharge head or a single electrode pin is disposed on each side of the centerline with the centerline interposed in between. An expression X | 12-03-2015 |
20150343785 | LIQUID TANK HOLDING MECHANISM - A liquid tank holding mechanism for detachably holding a liquid tank to a main body portion includes a biasing member, a cover and a lever, wherein: the biasing member biases the liquid tank in a disengaging direction with the liquid tank mounted; the lever includes a lock, a biasing portion, a shaft, and a retainer and is attached to the cover pivotally around the shaft; when the retainer abuts the retainer catch, a center of the shaft is placed so as to be closer to the bearing region than is the shortest line linking a tip of the first bearing portion and a tip of the second bearing portion. | 12-03-2015 |
20150343787 | LIQUID EJECTION HEAD - Provided is a liquid ejection head, including: a connector unit; and a case in which the connector unit is movably placed. The connector unit includes: an electric contact member; and a housing configured to fix a portion between one end and another end of the electric contact member. The electric contact member includes a conductive member, the conductive member including an elastically deformable first electric contact portion formed on the one end side thereof, and an elastically deformable second electric contact portion formed on the another end side thereof. | 12-03-2015 |
20150343790 | LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE APPARATUS USING THE SAME - A liquid discharge head including a liquid storage chamber capable of holding a liquid, a liquid communication pipe communicating with the liquid storage chamber and being configured to supply the liquid from a liquid tank to the liquid storage chamber by installing the liquid tank to the pipe to communicate with the liquid tank, an discharge port communicating with the liquid storage chamber to discharge the liquid, an electrode pair each having an outside end portion located outside the liquid storage chamber and detecting a liquid level of the liquid storage chamber, and an electric contact portion connected to the outside end portion of each of the electrode pair. The electric contact portion is located above the liquid communication pipe with an discharge port surface on which the discharge port opens taking a position facing perpendicularly downward. | 12-03-2015 |
20150343791 | LIQUID EJECTION CARTRIDGE AND LIQUID EJECTION APPARATUS - A liquid ejection cartridge having a liquid ejection section for ejecting liquid includes an electrical contact section to be electrically connected to a terminal section of an apparatus main body, the electrical contact section being formed by a plurality of printed substrates arranged on a same surface. | 12-03-2015 |