Abstract: A radio frequency coil according to an embodiment is configured to receive a magnetic resonance signal from an examined subject. The radio frequency coil includes an expandable and contractible first element and an expandable and contractible second element. The radio frequency coil has an overlap region where a first loop formed by the first element overlaps with a second loop formed by the second element. The ratio of the area of the overlap region to the area of the region enclosed by the first loop changes in accordance with expansion/contraction of the first element forming the first loop. The first element and the second element include liquid metal in at least a part thereof.

Abstract: A radio frequency coil according to an embodiment is configured to receive a magnetic resonance signal from an examined subject. The radio frequency coil includes an expandable and contractible first element and an expandable and contractible second element. The radio frequency coil has an overlap region where a first loop formed by the first element overlaps with a second loop formed by the second element. The ratio of the area of the overlap region to the area of the region enclosed by the first loop changes in accordance with expansion/contraction of the first element forming the first loop. The first element and the second element include liquid metal in at least a part thereof.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves arranged side by side along a first direction, and extending in a second direction crossing the first direction, a plurality of common electrodes formed on respective inner surfaces of the plurality of ejection grooves, and a commonalization interconnection adapted to electrically connect the plurality of common electrodes to each other, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves and a plurality of non-ejection grooves alternately arranged in parallel to each other along a first direction and each extending in a second direction crossing the first direction, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and to be bonded to the actuator plate. The non-ejection grooves each partially open in a bonding surface of the actuator plate with the nozzle plate.

Abstract: A head chip, a liquid jet head, and a liquid jet recording device capable of achieving the miniaturization while enhancing the reliability are provided. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves arranged side by side in a first direction, a plurality of non-ejection grooves arranged side by side along the first direction, and individual electrodes respectively formed in the plurality of non-ejection grooves, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate adapted to cover the actuator plate. The cover plate has interconnection connecting sections respectively disposed in end part areas along a second direction perpendicular to the first direction, and adapted to electrically connect a plurality of individual interconnections electrically connected to the individual electrodes to an interconnection board outside the head chip.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of improving the ejection stability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves each filled with liquid, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate having a through hole through which the liquid flows into and/or from the ejection groove, and a wall part adapted to cover the ejection groove. A flow channel of the liquid in a part adapted to communicate the through hole and the ejection groove with each other includes a principal flow channel section, and an expanded flow channel section provided to the wall part, and adapted to increase a cross-sectional area of the flow channel.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of improving the ejection stability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves filled with liquid, and a plurality of non-ejection grooves not filled with the liquid, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves while not being communicated with the plurality of non-ejection grooves, a cover plate having a plurality of through holes adapted to respectively fill the plurality of ejection grooves with the liquid, and adapted to close the plurality of non-ejection grooves, and a communication mechanism adapted to communicate an outside of the head chip and the plurality of non-ejection grooves with each other via an opening part exposed to the outside of the head chip.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves and a plurality of non-ejection grooves alternately arranged in parallel to each other along a first direction and each extending in a second direction crossing the first direction, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and to be bonded to the actuator plate. The non-ejection grooves each partially open in a bonding surface of the actuator plate with the nozzle plate.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves arranged side by side along a first direction, and first common electrodes respectively formed in the ejection grooves, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate adapted to cover the actuator plate. The cover plate has a wall part adapted to cover the plurality of ejection grooves.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves arranged side by side along a first direction, and extending in a second direction crossing the first direction, a plurality of common electrodes formed on respective inner surfaces of the plurality of ejection grooves, and a commonalization interconnection adapted to electrically connect the plurality of common electrodes to each other, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of improving the ejection stability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves each filled with liquid, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate having a through hole through which the liquid flows into and/or from the ejection groove, and a wall part adapted to cover the ejection groove. A flow channel of the liquid in a part adapted to communicate the through hole and the ejection groove with each other includes a principal flow channel section, and an expanded flow channel section provided to the wall part, and adapted to increase a cross-sectional area of the flow channel.

Abstract: A head chip, a liquid jet head, and a liquid jet recording device capable of achieving the miniaturization while enhancing the reliability are provided. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves arranged side by side in a first direction, a plurality of non-ejection grooves arranged side by side along the first direction, and individual electrodes respectively formed in the plurality of non-ejection grooves, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate adapted to cover the actuator plate. The cover plate has interconnection connecting sections respectively disposed in end part areas along a second direction perpendicular to the first direction, and adapted to electrically connect a plurality of individual interconnections electrically connected to the individual electrodes to an interconnection board outside the head chip.

Abstract: This invention relates to solid polymer electrolyte materials for use in one or more electrode of a fuel cell. The solid polymer electrolyte materials comprise one or more ionomer which comprises polymerized units of monomers A and monomers B, wherein monomers A are perfluoro dioxole or perfluoro dioxolane monomers, and the monomers B are functionalized perfluoro olefins having fluoroalkyl sulfonyl, fluoroalkyl sulfonate or fluoroalkyl sulfonic acid pendant groups, CF2?CF(O)[CF2]nSO2X.

Abstract: A functional membrane and a production method thereof including: an ion irradiation step in which a polymer film substrate is irradiated with high energy heavy ions at 104 to 1014 ions/cm2, to generate active species in the film substrate; and a graft polymerization step in which after the ion irradiation step, the film substrate is added with one or more monomers selected from a group A consisting of monomers each having a functional group and 1 to 80 mol % of a monomer including a group B consisting of a crosslinking agent(s) for the group A monomer(s), and the film substrate and the monomer(s) are graft-polymerized. There is obtained a functional membrane having high functionality in conjunction with the gas barrier property intrinsically possessed by a polymer film substrate, in particular, a polymer electrolyte membrane optimal as a polymer electrolyte membrane for use in fuel cells, high in proton conductivity and excellent in gas barrier property.

Abstract: A functional membrane is provided, which has high functionality combined with the gas barrier performance and mechanical strength inherent in a polymer film substrate. In particular, a polymer electrolyte membrane is provided, which is excellent in terms of high proton conductivity and gas barrier performance and is most appropriate to serve as a polymer electrolyte membrane for fuel cells. A method for producing a functional membrane is provided, which comprises: a step of ion irradiation, in which active species are generated in a polymer film substrate containing nonconductive inorganic particles by irradiating the polymer film substrate with high-energy heavy ions to the extent of 104/cm2 to 1014/cm2; and a step of graft polymerization subsequent to the step of ion irradiation, in which one or more monomers selected from group A consisting of monomers containing useful functional groups are added such that the monomers are graft polymerized with the polymer film substrate.

Abstract: A functional membrane and a production method thereof including: an ion irradiation step in which a polymer film substrate is irradiated with high energy heavy ions at 10 4 to 10 14 ions/cm2, to generate active species in the film substrate; and a graft polymerization step in which after the ion irradiation step, the film substrate is added with one or more monomers selected from a group A consisting of monomers each having a functional group and 1 to 80 mol % of a monomer including a group B consisting of a crosslinking agent(s) for the group A monomer(s), and the film substrate and the monomer(s) are graft-polymerized. There is obtained a functional membrane having high functionality in conjunction with the gas barrier property intrinsically possessed by a polymer film substrate, in particular, a polymer electrolyte membrane optimal as a polymer electrolyte membrane for use in fuel cells, high in proton conductivity and excellent in gas barrier property.

Abstract: A functional membrane is provided, which has high functionality combined with the gas barrier performance and mechanical strength inherent in a polymer film substrate. In particular, a polymer electrolyte membrane is provided, which is excellent in terms of high proton conductivity and gas barrier performance and is most appropriate to serve as a polymer electrolyte membrane for fuel cells. A method for producing a functional membrane is provided, which comprises: a step of ion irradiation, in which active species are generated in a polymer film substrate containing nonconductive inorganic particles by irradiating the polymer film substrate with high-energy heavy ions to the extent of 104/cm2 to 1014/cm2; and a step of graft polymerization subsequent to the step of ion irradiation, in which one or more monomers selected from group A consisting of monomers containing useful functional groups are added such that the monomers are graft polymerized with the polymer film substrate.