The present application relates to a conductive structure body and a manufacturing method thereof. The method for manufacturing the conductive structure body according to an exemplary embodiment of the present application includes forming a metal layer on a substrate and forming a darkening layer on the metal layer, in which the forming of the darkening layer is performed by reactive sputtering using CO.sub.2.

The present application relates to a conductive structure body and a manufacturing method thereof. The method for manufacturing the conductive structure body according to an exemplary embodiment of the present application includes forming a metal layer on a substrate and forming a darkening layer on the metal layer, in which the forming of the darkening layer is performed by reactive sputtering using CO.sub.2.

A planar lightwave circuit structure based on a printed circuit board and its manufacturing method are provided. The manufacturing method includes: S1, preparing the printed circuit board; S2, adhering the lower cladding layer to one side of the printed circuit board, and then annealing process carried out; S3, jetting a lightwave circuit material on an upper surface of the lower cladding layer in a predetermined route through an electrohydrodynamic jet printing device to form lightwave circuit lines to be cured, the lightwave circuit material being a slurry containing silver ions and an ultraviolet (UV) curing agent; S4, curing the lightwave circuit lines through irradiation of UV light, the UV light irradiating onto the lightwave circuit lines through a lens assembly with slits; and S5, depositing an upper cladding layer on the lower cladding layer and the lightwave circuit lines, and then solidifying treatment carried out.

A planar lightwave circuit structure based on a printed circuit board and its manufacturing method are provided. The manufacturing method includes: S1, preparing the printed circuit board; S2, adhering the lower cladding layer to one side of the printed circuit board, and then annealing process carried out; S3, jetting a lightwave circuit material on an upper surface of the lower cladding layer in a predetermined route through an electrohydrodynamic jet printing device to form lightwave circuit lines to be cured, the lightwave circuit material being a slurry containing silver ions and an ultraviolet (UV) curing agent; S4, curing the lightwave circuit lines through irradiation of UV light, the UV light irradiating onto the lightwave circuit lines through a lens assembly with slits; and S5, depositing an upper cladding layer on the lower cladding layer and the lightwave circuit lines, and then solidifying treatment carried out.

Multifunctional surfacing materials for use in composite structures are disclosed. According to one embodiment, the surfacing material includes (a) a stiffening layer, (b) a curable resin layer, (c) a conductive layer, and (d) a nonwoven layer, wherein the stiffening layer (a) and the nonwoven layer (d) are outermost layers, and the exposed surfaces of the outermost layers are substantially tack-free at room temperature (20° C. to 25° C.). The conductive layer may be interposed between the curable resin layer and the stiffening layer or embedded in the curable resin layer. According to another embodiment, the surfacing material includes a fluid barrier film between two curable resin layers. The surfacing materials may be in the form of a continuous or elongated tape that is suitable for automated placement.

A method for manufacturing an aluminum circuit board including a step of spraying a heated metal powder containing aluminum particles and/or aluminum alloy particles to a ceramic base material, and of forming a metal layer on a surface of the ceramic base material. A temperature of at least a part of the metal powder is higher than or equal to a softening temperature of the metal powder and lower than or equal to a melting point of the metal powder at a time point of reaching the surface of the ceramic base material. A velocity of at least a part of the metal powder is greater than or equal to 450 m/s and less than or equal to 1000 m/s at the time point of reaching the surface of the ceramic base material.

A method for manufacturing an aluminum circuit board including a step of spraying a heated metal powder containing aluminum particles and/or aluminum alloy particles to a ceramic base material, and of forming a metal layer on a surface of the ceramic base material. A temperature of at least a part of the metal powder is higher than or equal to a softening temperature of the metal powder and lower than or equal to a melting point of the metal powder at a time point of reaching the surface of the ceramic base material. A velocity of at least a part of the metal powder is greater than or equal to 450 m/s and less than or equal to 1000 m/s at the time point of reaching the surface of the ceramic base material.

A circuit forming method, comprising: a coating step of applying a metal-containing liquid and a metal paste in an overlapping manner on a base, the metal-containing liquid containing fine metal particles and the metal paste containing a resin binder and metal particles larger than the fine metal particles in the metal-containing liquid; and a heating step of making the metal-containing liquid and the metal paste coated in the coating step conductive by heating the metal-containing liquid and the metal paste.

A circuit forming method, comprising: a coating step of applying a metal-containing liquid and a metal paste in an overlapping manner on a base, the metal-containing liquid containing fine metal particles and the metal paste containing a resin binder and metal particles larger than the fine metal particles in the metal-containing liquid; and a heating step of making the metal-containing liquid and the metal paste coated in the coating step conductive by heating the metal-containing liquid and the metal paste.

An integrated electrode structure can comprise a catheter shaft comprising a proximal end and a distal end, the catheter shaft defining a catheter shaft longitudinal axis. A flexible tip portion can be located adjacent to the distal end of the catheter shaft, the flexible tip portion comprising a flexible framework. A plurality of microelectrodes can be disposed on the flexible framework and can form a flexible array of microelectrodes adapted to conform to tissue. A plurality of conductive traces can be disposed on the flexible framework, each of the plurality of conductive traces can be electrically coupled with a respective one of the plurality of microelectrodes.