Abstract: An optical module has a circuit board, a photoelectric conversion element mounted on a mount surface of the circuit board, an optical coupling member for holding an optical fiber and optically coupling the optical fiber and the photoelectric conversion element, a semiconductor circuit element mounted on the mount surface of the circuit board and electrically connected to the photoelectric conversion element, and a plate-shaped supporting substrate arranged to sandwich the optical coupling member between the supporting substrate and the circuit board. An electrically conductive metal foil which extends in a thickness direction of the supporting substrate is provided integrally with a side surface of the supporting substrate, and the metal foil is connected at one end thereof to an electrode provided on a non-mount surface of the circuit board.

Abstract: An optical board includes a plate-shaped resin base material including a slit-shaped optical fiber housing portion formed thereon, a metal layer formed on a surface of the based material, and a reflective layer for reflecting light propagating in an optical fiber housed in the optical fiber housing portion. The base material further includes an inclined surface inclined with respect to the surface of the base material at a terminal end of the optical fiber housing portion. The reflective layer is formed over an end face of the metal layer and the inclined surface, the end face forming a flat surface continuously with the inclined surface.

Abstract: An optical-electrical composite cable includes an optical fiber, a tubular resin inner cover to enclose the optical fiber, a plurality of electric wires disposed on an outside of the inner cover, and a tubular outer cover to collectively cover the plurality of electric wires. The plurality of electric wires are helically wound around an outer peripheral surface of the inner cover so as to be situated between the inner cover and the outer cover.

Abstract: A flexible flat optical cable includes two flexible base sheets, one or more optical fiber core wires arranged between the base sheets and each comprising at least an optical fiber, and an adhesive layer provided between the base sheets to bond the base sheets. A non-adhesive region is formed on a surface of the base sheets or the adhesive layer adjacent, in a thickness direction of the base sheets, to at least a portion of the optical fiber core wires for allowing a portion of the optical fiber core wires to move in a direction intersecting with an axial direction of the optical fiber core wires.

Abstract: A photoelectric conversion module includes a substrate, a photoelectric conversion element optically coupled to an optical fiber, and a conductor pattern that is provided on a surface of the substrate and includes an electrode pattern mounting the photoelectric conversion element and a restriction pattern for restricting a position of the optical fiber.

Abstract: An optical wiring substrate includes an insulation layer including a resin, an conductor layer formed on the insulation layer and including a metal, and an optical fiber accommodating part configured to accommodate an end part of an optical fiber. The conductor layer further includes a reflecting surface configured to be inclined relative to the insulation layer so as to reflect a light that propagates through the optical fiber. The optical fiber accommodating part includes at one end part thereof an abutting surface configured such that a tip of optical fiber inserted is abutted thereon.

Abstract: An optical wiring substrate includes an insulation layer including a resin, and a conductor layer formed on the insulation layer and including a metal and an inclined surface inclined relative to an optical axis of an optical fiber. A first wiring pattern and a second wiring pattern are formed in the conductor layer, the first wiring pattern including a first connecting part to which a first electrode of a photoelectric conversion element is connected, and the second wiring pattern including a second connecting part to which a second electrode of the photoelectric conversion element is connected. A distance between the first wiring pattern and the second wiring pattern is narrowest between the first connecting part and the second connecting part. A distance between the first connecting part and the second connecting part is less than a dimension of the conductor layer in a thickness direction thereof.

Abstract: An optical wiring substrate includes a first conductor layer including a metal, a second conductor layer including a metal and arranged parallel to the first conductor layer, an insulation layer disposed to insulate the first conductor layer from the second conductor layer, and an electronic component including a photoelectric conversion element mounted on the substrate, and a via hole formed in the second conductor layer and the insulation layer so as to pass through the second conductor layer and the insulation layer in a thickness direction thereof, the via hole including an inner surface plated with a metal. The via hole is configured such that at least a part of a bottom surface thereof blocked by the first conductor layer is arranged in a plan view so as to overlap with an arrangement position of a pad of the electronic component that is mounted on the first conductor layer.

Abstract: A ferrule fixing member for fixing a ferrule to a holding member with a holding hole into which the ferrule is inserted. The ferrule fixing member includes a first plate part and a second plate part configured to face each other while sandwiching an resilient member arranged on an outer periphery of the ferrule in a radial direction thereof, a pressing part configured to press the resilient member such that the ferrule is pressed against a bottom side of the holding hole by a resilient force of the resilient member, a locked part configured to be engaged with a locking part formed in the holding member, and an extending part configured to extend from the second plate part to the locked part. The locking of the locked part and the locking part is released by moving the first plate part and the second plate part close to each other.

Abstract: An optoelectrical composite cable includes an optical fiber; a resin inner cylinder that accommodates the optical fiber; a plurality of electrical lines arranged outside the inner cylinder so as to cover a surrounding of the inner cylinder, and a tubular outer cylinder that collectively covers the plurality of electrical lines. The plurality of electrical lines include pairs of electrical lines, and the electrical lines constitute at least one of the pairs of electrical lines have a larger outer diameter than the other electrical lines and are arranged at opposing positions, with the inner cylinder being interposed therebetween.

Abstract: An optical module includes a substrate, an optical device of a surface-emitting element or a surface-receiving element mounted on a surface of the substrate with a light-emitting portion or a light-receiving portion located to face the surface of the substrate, an optical fiber disposed parallel to the surface of the substrate and in a longitudinal direction of the substrate, a mirror provided to face the light-emitting portion or the light-receiving portion of the optical device and a tip of the optical fiber, and optically connect the optical device and the optical fiber, and an optical fiber receiving groove provided in the surface of the substrate to receive the optical fiber. A width of the mirror is greater than a width of the optical fiber receiving groove. Reflecting portions are provided on edges, respectively, of a mirror side end of the optical fiber receiving groove, and the reflecting portions reflect incident light from the mirror facing the edges, again back to the facing mirror.

Abstract: An optical module includes a circuit board, an optical element on the circuit board, a semiconductor circuit element thereon and electrically coupled with the optical element, an optical connection member formed on a back surface of the circuit board and including an optical fiber receiving groove, and a pressing plate disposed on a side opposite to the circuit board of the optical connection member so as to fix the optical fiber. The semiconductor circuit element is mounted nearer a tip side of the circuit board in relation to the optical element such that the circuit board, the optical connection member and a tip part of the optical fiber are sandwiched between the semiconductor circuit element and the pressing plate. The circuit board includes a plurality of electrodes to be electrically coupled with an equipment side circuit board formed on a tip part of a back surface of the circuit board.

Abstract: A ferrule fixing member includes a fixing member configured to fix a ferrule to hold an optical fiber to a retaining member including a retaining hole to insert the ferrule, a locked portion configured to be locked to a locking portion formed on the retaining member and to be restricted from moving, with respect to the retaining member, in an insertion direction of the ferrule and in a direction orthogonal to the insertion direction, and a main body configured to elastically press the ferrule toward the bottom of the retaining hole by elastic deformation thereof.

Abstract: A connector supporting structure includes a substrate, a connector mounted on the substrate, and a casing covering at least a portion of the substrate and supporting the connector. The casing includes an opening to expose a part of the connector from an inside of the casing to an outside. Side surfaces of the connector are pressed by inner surfaces of the opening.

Abstract: An optical module includes a substrate including a conductor pattern formed thereon, a photoelectric conversion element mounted on the substrate, and an optical coupling member for optically coupling the photoelectric conversion element to an optical fiber. A part of the conductor pattern on the substrate defines an engagement portion that engages with the optical coupling member so as to position the optical coupling member relative to the substrate.

Abstract: A conductive member connection structure includes a connection structure to electrically connect first and second conductive members that are positioned with a gap in between, a first metal member that is melted by heating and is welded to a connecting surface of the first conductive member and to a connecting surface of the second conductive member, and a second metal member that has a higher melting point than the first metal member and is covered with the first metal member without being melted by the heating. The second metal member is configured so as to prevent the first metal member from flowing out in a molten state thereof.

Abstract: A photoelectric transmission module being connected to a terminal of a composite cable including an optical fiber and an electrical cable, includes a substrate connected to the electrical cable drawn from the composite cable, a flexible printed circuit board including one end connected to a connector on the substrate and an other end connected to the optical fiber drawn from the composite cable, and an optical waveguide member formed along an outer surface of the flexible printed circuit board and connected to the optical fiber. The flexible printed circuit board further includes a displacement permitting area formed in a section from a connection end of the connector to a connection end of the optical fiber to allow the connection end of the connector and the connection end of the optical fiber to be relatively displaced in a direction along the substrate.

Abstract: Provided is a cable with a connector (1) having a form in which a connector is fitted to a cable (6). A housing (2) of the connector is constituted by two case members (2a, 2b). A root portion of the cable (6) is covered with a boot (8) made of a resin, and a flange (8a) is formed in the boot (8). Inside the boot (8), a stop ring (10) made of a metal is arranged. The stop ring (10) allows a transmission line (6a) to be inserted through a main body thereof having a cylinder shape, and a jacket (6b) is covered on its outer side. A flange (10a) is also formed in the stop ring (10), and the flange (10a) and the flange (8a) are inserted into grooves (2c, 2d) in an overlapped state.

Abstract: An optical board a substrate includes a plate-shaped resin including a first main plane and a second main plane, and an optical fiber receiving portion to receive an optical fiber, a first metal layer provided on the first main plane, and a second metal layer provided on the second main plane. The optical fiber receiving portion has a cavity structure, which penetrates in a thickness direction of the substrate between the first main plane and the second main plane, and the optical fiber is prevented from slipping out of the first main plane and the second main plane.

Abstract: An optical board includes a plate-shaped resin base material including a slit-shaped optical fiber housing portion formed thereon, a metal layer formed on a surface of the based material, and a reflective layer for reflecting light propagating in an optical fiber housed in the optical fiber housing portion. The base material further includes an inclined surface inclined with respect to the surface of the base material at a terminal end of the optical fiber housing portion. The reflective layer is formed over an end face of the metal layer and the inclined surface, the end face forming a flat surface continuously with the inclined surface.