Abstract: In a case where a liquid holding member is inserted into a storage section to produce a liquid storage container, the occurrence of a wrinkle or a partial separation in the liquid holding member can be suppressed. More specifically, a plurality of compressing needles are stuck into an ink holding member before insertion and moved in directions shown by arrows to compress the ink holding member. The ink holding member in a compressed state is inserted without coming into contact with a wall surface of an ink storage section. This can prevent the ink holding member from coming into contact with an inner wall of the storage container or the like during the insertion of the ink holding member into the storage container and can prevent the occurrence of a wrinkle or a partial separation in the ink holding member.

Abstract: A method of manufacturing a liquid ejection head, which includes: preparing a liquid ejection head which includes: a recording element board provided with an ejection port through which liquid is ejected and an energy generator; an electrical wiring member provided with an opening from which the recording element board is exposed; and plural electrical connecting portions for electrically connecting the recording element board and the electrical wiring member relatively moving a discharge member, which is for dropping a sealing agent, toward one end of an arrangement of the electrical connecting portions while dropping the sealing agent onto the electrical wiring member and inside the opening; and relatively moving the discharge member from the one end of the electrical connecting portions to the other end while dropping the sealing agent to seal the electrical connecting portion.

Abstract: The invention provides a process for producing a liquid ejection head, including the steps providing an element substrate provided with an element for generating energy to be utilized for ejecting a liquid, a wiring substrate electrically connected to the element substrate through a lead wire, and a support member provided with a first support portion and a second support portion; applying a sealant to the second support portion; placing the element substrate on the first support portion and bringing the lead wire into contact with the sealant applied to the second support portion; and curing the sealant.

Abstract: A method of manufacturing a liquid ejection head, which includes: preparing a liquid ejection head which includes: a recording element board provided with an ejection port through which liquid is ejected and an energy generator; an electrical wiring member provided with an opening from which the recording element board is exposed; and plural electrical connecting portions for electrically connecting the recording element board and the electrical wiring member relatively moving a discharge member, which is for dropping a sealing agent, toward one end of an arrangement of the electrical connecting portions while dropping the sealing agent onto the electrical wiring member and inside the opening; and relatively moving the discharge member from the one end of the electrical connecting portions to the other end while dropping the sealing agent to seal the electrical connecting portion.

Abstract: To form an inkjet printing head which is not deteriorated in printing quality or broken in production processes, a rib capable of being displaced upon receiving an influence of stress resulting from a sealant is installed at a position opposing the long side face of a printing element substrate, and the sealant is used to seal between the ribs and the printing element substrate.

Abstract: An ink jet recording head comprising a discharge port for discharging an ink; and a sealing tape for sealing the discharge port; wherein the sealing tape includes a pressure-sensitive adhesive layer constituted of an acrylic crosslinked polymer formed by crosslinking an alkyl(meth)acrylate ester copolymer with a metal chelate compound, and is peelably adhered, through the pressure-sensitive adhesive layer, to a part where the discharge port is formed.

Abstract: A manufacturing method for an ink jet recording head. The method includes the steps of preparing a recording element substrate, preparing an electric wiring member, preparing a sealing material discharging member, and applying a sealing material. The ink jet recording head is constructed to provide a first gap between a recording element substrate and an inner edge of a hole. The first gap is larger than a second gap between the recording element substrate and an opposite inner edge of the hole measured along the same line. The sealing material is applied while moving the sealing material discharging member, along the line, from a portion of an electric wiring member adjacent to the first gap, across the first gap, across the electrical connection portions, across the second gap, to a portion of the electric wiring member adjacent to the second gap.

Abstract: An ink jet recording head includes a recording element substrate having an energy generating member for generating energy in accordance with an electric signal, and an electrode portion for receiving the electric signal to be supplied to the energy generating member; an electric line member including an opening in which the recording element substrate is contained, an electric line extending toward an inside of the opening and connected to the electrode portion, an inclined electric wiring extending in a direction crossing with the electric line and contacted to the recording element substrate. The electric line member is disposed above a surface, having the electrode, of the recording element substrate, wherein the inclined member extends in a direction of an arrangement of a plurality of such electric lines, and constitutes an inclined surface descending from the electric wiring toward the surface of the recording element substrate.

Abstract: A process for manufacturing a printing head is able to maintain an appropriate connection between a substrate and flying leads. The process includes a connecting step of connecting electric connection terminals of a substrate and flying leads provided on an electric wiring basic material and a mounting step of mounting a unit consisting of the electric wiring base material and the substrate connected together, on a printing head main body. During the connecting step, the substrate and each flying lead are electrically connected together with a predetermined distance between them. During the mounting step, the unit is fixed to the printing head main body so that the distance between each of the electric connection terminals of the substrate and the electric wiring base material is shorter than the predetermined distance. This forms a slack shape of each flying lead.

Abstract: The present invention provides an inkjet printing head which is not deteriorated in printing quality or broken in production processes. For this purpose, a rib capable of being displaced upon receiving an influence of stress resulting from a sealant is installed at a position opposing the long side face of a printing element substrate, and the sealant is used to seal between the ribs and the printing element substrate.

Abstract: A manufacturing method for an ink jet recording head, includes preparing a recording element substrate provided with energy generating means for generating energy for ejecting liquid, two opposing sides opposed to each other, an electrode portion disposed along a side sandwiched between the opposing sides to supply electric power to the energy generating means; preparing an electric wiring member provided with wiring leads for supplying electric power to the electrode portion from an outside, the electric wiring member being provided with sides opposed to the opposing sides of the recording element substrate and to the side sandwiched between the opposing sides; forming an electrical connecting portion at least one of the opposing sides by connecting the electrode portion and the wiring lead with each other; providing a gap L1 between one of the opposing sides of the recording element substrate and the side of the electric wiring member opposing the one of the opposing sides, and providing a gap L2 between th

Abstract: An ink jet recording head includes a recording element substrate having energy generating means for generating energy in accordance with an electric signal, and an electrode portion for receiving the electric signal to be supplied to said energy generating means; an electric line member including an opening in which said recording element substrate is contained, an electric line extending toward an inside of the opening and connected to said electrode portion, an inclined electric wiring extending in a direction crossing with said electric line and contacted to said recording element substrate, wherein said electric line member is disposed above a surface, having the electrode, of said recording element substrate, wherein the inclined member extends in a direction of an arrangement of a plurality of such electric lines, and constitutes an inclined surface descending from said electric wiring toward the surface of said recording element substrate.

Abstract: An ink jet recording head comprising a discharge port for discharging an ink; and a sealing tape for sealing the discharge port; wherein the sealing tape includes a pressure-sensitive adhesive layer constituted of an acrylic crosslinked polymer formed by crosslinking an alkyl (meth)acrylate ester copolymer with a metal chelate compound, and is peelably adhered, through the pressure-sensitive adhesive layer, to a part where the discharge port is formed.

Abstract: An object of the present invention to provide a process for manufacturing a printing head, the process being able to maintain an appropriate connection between a substrate and flying leads. The present invention includes a connecting step of connecting electric connection terminals of a substrate and flying leads provided on an electric wiring basic material and a mounting step of mounting a unit consisting of the electric wiring base material and the substrate connected together, on a printing head main body. During the connecting step, the substrate and each flying lead are electrically connected together with a predetermined distance between them. During the mounting step, the unit is fixed to the printing head main body so that the distance between each of the electric connection terminals of the substrate and the electric wiring base material is shorter than the predetermined distance. This forms a slack shape of each flying lead.

Abstract: A liquid discharge head comprises a separation member for separating the discharge liquid flow paths communicated with discharge ports for discharging discharge liquid to enable discharge liquid to flow, and the bubbling liquid flow paths to enable bubbling liquid to flow, which is provided with the bubble generating areas for creating bubbles used for discharging discharge liquid from the discharge ports. This separation member is provided with the opening portions positioned to face the bubble generating areas, and displacement members provided for the separation member corresponding to the openings, having the free ends to be displaced by bubbles created on the bubble generating areas provided for the separation member. Then, with no bubbles created on the bubble generating areas, the displacement members interrupt the opening portions, and with bubbles created thereon, the free ends of the displacement members are displaced to discharge discharge liquid from the discharge ports of the head.

Abstract: A liquid discharge head is provided having a heating member for generating thermal energy to create a bubble in liquid, a discharge port adapted to discharge the liquid, and a liquid flow path communicated with the discharge port having a bubble generating area for enabling the liquid to create the bubble. A movable member is arranged in the bubble generating area to be displaced along with the development of the bubble. A regulating portion regulates the displacement of the movable member within a desired range, and by means of energy at the time of bubble creation, the liquid being discharged from the discharge port. The regulating portion is arranged to face the bubble generating area in the liquid flow path. A support member is directly connected to the movable member. The bubble development causes the movable member and the regulating portion to be in contact forming an essentially closed space with the exception of the discharge port.

Abstract: There is provided an ink-jet recording head comprising a printing head unit which has one or more discharge portions for discharging one or more types of fluids for printing, a tank holder unit in which one or more tanks for storing one or more types of fluids to be discharged by the printing head unit are loaded, and a fluid supply path which is formed in the tank holder unit and communicates with the printing head unit and the tank, wherein a buffer chamber for keeping gas is connected to the fluid supply path.

Abstract: A liquid discharge head unit wherein the position of the discharge ports are arranged in high precision with respect to the liquid discharge apparatus main body so that the liquid discharge head unit is capable of executing highly precise liquid discharges.

Abstract: A liquid discharge head comprises a separation member for separating the discharge liquid flow paths communicated with discharge ports for discharging discharge liquid to enable discharge liquid to flow, and the bubbling liquid flow paths to enable bubbling liquid to flow, which is provided with the bubble generating areas for creating bubbles used for discharging discharge liquid from the discharge ports. This separation member is provided with the opening portions positioned to face the bubble generating areas, and displacement members provided for the separation member corresponding to the openings, having the free ends to be displaced by bubbles created on the bubble generating areas provided for the separation member. Then, with no bubbles created on the bubble generating areas, the displacement members interrupt the opening portions, and with bubbles created thereon, the free ends of the displacement members are displaced to discharge discharge liquid from the discharge ports of the head.

Abstract: A liquid discharging head which discharges a liquid through a discharging port utilizing an energy generated by producing air bubble including side walls which are to be brought into contact with a movable member to restrict upstream growth of a bubble, thereby stabilizing liquid discharge.