Abstract: A plasma treatment apparatus which performs uniform plasma treatment on a liquid. A plasma treatment apparatus includes a coaxial waveguide having an inner conductor, a first outer conductor, and a second outer conductor; a microwave generation unit; an outside tube which is located on the outer side of the first outer conductor and the second outer conductor and which in cooperation with the first outer conductor and the second outer conductor forms a flow path through which a liquid flows; and a plasma generation region. A first protrusion of the first outer conductor and a second protrusion of the second outer conductor face each other in a non-contacting state. The plasma generation region is a region extending along a facing location where the first protrusion of the first outer conductor and the second protrusion of the second outer conductor face each other.

Abstract: A microwave plasma generation apparatus (4) includes: a rectangular waveguide (41) that transmits a microwave; a slot antenna (42) that has a slot (420) through which the microwave passes; and a dielectric portion (43) that is arranged so as to cover the slot (420) and of which a plasma generating region-side front face is parallel to an incident direction in which the microwave enters from the slot (420). The microwave plasma generation apparatus (4) is able to generate microwave plasma (P1) under a low pressure of lower than or equal to 1 Pa. A magnetron sputtering deposition system (1) includes the microwave plasma generation apparatus (4), and carries out film deposition using magnetron plasma (P2) while radiating microwave plasma (P1) between a base material (20) and a target (30). With the magnetron sputtering deposition system (1), it is possible to form a thin film having small asperities on its surface.

Abstract: A film member includes a substrate formed of a resin film and an aluminium oxynitride film arranged on either, front or back sides of the substrate, in which the aluminium oxynitride film is composed of 39 at % to 55 at % of Al, 7 at % to 60 at % of O, and 1 at % to 50 at % of N. A method for producing the film member includes a pressure reduction step of arranging a substrate in a chamber of a sputtering deposition system such that the substrate faces a target made of aluminium and a deposition step of introducing a source gas including nitrogen and a carrier gas into the chamber and forming the aluminium oxynitride film on a deposition surface of the substrate in an atmosphere in which a ratio of an oxygen gas pressure to a nitrogen gas pressure in the chamber is not more than 20%.

Abstract: A microwave plasma generation apparatus (4) includes: a rectangular waveguide (41) that transmits a microwave; a slot antenna (42) that has a slot (420) through Which the microwave passes; and a dielectric portion (43) that is arranged so as to cover the slot (420) and of which a plasma generating region-side front face is parallel to an incident direction in which the microwave enters from the slot (420). The microwave plasma generation :apparatus (4) is able to generate microwave plasma (P1) under a low pressure of lower than or equal to 1 Pa. A magnetron sputtering deposition system (1) includes the microwave plasma generation apparatus (4), and carries out film deposition using magnetron plasma. (P2) while radiating microwave plasma (P1) between a base material (20) and a target (30). With the magnetron sputtering deposition system (1), it is possible to form a thin film having small asperities on its surface.

Abstract: A joint part including a welding portion with a rim of an opening of a fuel resin tank as well as a high barrier property on its interface. The joint part has a multi-layer structure including a barrier layer and at least one of an inner layer and an outer layer coaxially laminated on an inner periphery and/or an outer periphery of the barrier layer, respectively, wherein the barrier layer is formed by a compound material composed of one or more of fuel permeation-resistant resin, such as ethylene vinyl alcohol copolymer, polyamide polyester or liquid crystal polymer, and polyethylene, while the inner layer and the outer layer are composed of high-density polyethylene or modified high-density polyethylene.

Abstract: A hose and a method of producing the same. The hose includes a tubular resin inner layer, a metal plating layer formed on an outer peripheral surface of the resin inner layer, and a resin outer layer formed on an outer peripheral surface of the metal plating layer, wherein a chromium oxide film is formed on the outer peripheral surface of the resin inner layer and a metal film is formed on an outer peripheral surface of the chromium oxide film between the resin inner layer and the metal plating layer and the metal plating layer is formed on an outer peripheral surface of the metal film. Further, a chromium oxide film is formed between the metal plating layer and the resin outer layer.

Abstract: A low-permeability resin hose which is less permeable to automotive fuel or refrigerant, and excellent in interlaminar adhesion and flexibility. The low-permeability resin hose comprises a tubular low-permeability layer formed by using the following component (A); and an outer layer formed by using the following component (B) on an outer peripheral surface of the low-permeability layer: (A) an alloy material wherein an island phase (domain) comprising modified high-density polyethylene resin is dispersed in a sea phase (matrix) comprising an ethylene-vinyl alcohol copolymer; (B) polyamide resin having a high amino value.

Abstract: A joint part including a welding portion having excellent weldability with a rim of an opening of a fuel resin tank as well as a high barrier property on its interface. The joint part has a multi-layer structure including a barrier layer and at least one of an inner layer and an outer layer coaxially laminated on an inner periphery and/or an outer periphery of the barrier layer, respectively, wherein the barrier layer is formed by a compound material composed of one or more of fuel permeation-resistant resin, such as EVOH, PA, polyester or LCP, and polyethylene, while the inner layer and the outer layer are composed of HDPE or modified HDPE.

Abstract: A hose and a method of producing the same. The hose includes a tubular resin inner layer, a metal plating layer formed on an outer peripheral surface of the resin inner layer, and a resin outer layer formed on an outer peripheral surface of the metal plating layer, wherein a chromium oxide film is formed on the outer peripheral surface of the resin inner layer and a metal film is formed on an outer peripheral surface of the chromium oxide film between the resin inner layer and the metal plating layer and the metal plating layer is formed on an outer peripheral surface of the metal film. Further, a chromium oxide film is formed between the metal plating layer and the resin outer layer.

Abstract: A joint part 1 excellent in both properties of low fuel permeability and weldability. The joint part 1 includes a cylindrical main body 2, a welding member 3, provided on the cylindrical main body, to be welded on a rim of an opening end of a resin fuel tank 4, wherein the main body and the welding member are integrally formed by an alloy prepared by using main components of following components (A) and (B) and kneading the alloy at a temperature of not more than melting points of the component (A) and a following component (b), and the component (B) is present at an amount of 80 to 300 parts by volume based on 100 parts by volume of the component (A), and a modification ratio of the component (b) is 0.1 to 5% by weight; (A) an ethylene vinyl alcohol copolymer (B) a high density polyethylene wherein a following component (b) is a main component; (b) a modified high density polyethylene having at least one functional group selected from the group consisting of a maleic anhydride group and the like.

Abstract: A welding joint has a cylindrical portion being a connection portion, and an annular fusion-welded portion disposed at a base end part of the cylindrical portion, the fusion-welded portion being configured to be thermal fusion welded to a resin-made fuel tank. The cylindrical portion is constructed by employing a resinous alloy material in which a modified high-density polyethylene obtained by introducing a functional group of high affinity to a hydroxyl group of ethylene-vinylalcohol copolymer is alloyed with the ethylene-vinylalcohol copolymer, and at least the fusion-welded portion comprises an inner layer employing the resinous alloy material and an outer layer employing at least one of the high-density polyethylene and the modified high-density polyethylene and externally covering the inner layer.

Abstract: A welding joint has a cylindrical portion being a connection portion and an annular fusion-welded portion disposed at a base end part of the cylindrical portion, the fusion-welded portion being configured to be thermal fusion welded to a resin-made fuel tank. At least parts of the fusion-welded portion and the cylindrical portion are integrally molded by employing a resinous alloy material in which a modified high-density polyethylene obtained by introducing a functional group of high affinity to a hydroxyl group of ethylene-vinylalcohol copolymer is alloyed with the ethylene-vinylalcohol copolymer singly or together with high-density polyethylene.