Abstract: An optical member includes a base having a surface, and a plurality of protrusions formed on the surface of the base. The plurality of protrusions is arranged in a form to cause a space between the protrusions to be filled up with adhesive to adhere an adhesion target component above the base by a capillary phenomenon.

Abstract: Disclosed is a surface mount device to be mounted on a base member, including plural lead units, each of the plural lead units including, a lead including a body portion and a foot formed at an end of the lead; a solder portion formed at the foot of the lead to protrude toward the direction of the base member to have a summit portion, and a diffusion prevention portion provided on the lead for preventing a diffusion of a solder along the body portion of the lead.

Abstract: An optical member includes a base having a surface, and a plurality of protrusions formed on the surface of the base. The plurality of protrusions is arranged in a form to cause a space between the protrusions to be filled up with adhesive to adhere an adhesion target component above the base by a capillary phenomenon.

Abstract: A connector 10 which comprises a plurality of signal contacts 11, each of which is provided with two aligned first connecting parts 12a at one end and two aligned second connecting parts 12b at the other end and which form balanced transmission lines, further comprises a first holding member 13 which holds the first connecting parts 12a of the plurality of signal contacts 11 and a second holding member 14 which holds the second connecting parts 12b, intermediate parts of the plurality of signal contacts 11 between the first holding member 13 and the second holding member 14 being exposed to the air.

Abstract: An optical module includes a first circuit board comprising a wiring pattern that transmits an electric signal, a second circuit board on which a photonic device is mounted, the photonic device performing conversion between the electric signal and light, an electrical connector that electrically connects the wiring pattern to the second circuit board, and an optical waveguide that is provided on a bottom surface side of the second circuit board and guides the light output from the photonic device or the light entering the photonic device, wherein, in the longitudinal direction of the first circuit board, a length of the wiring pattern starting from one end of the first circuit board and ending at the electrical connector is smaller than a length from the electrical connector to another end of the first circuit board.

Abstract: Disclosed is a surface mount device to be mounted on a base member, including plural lead units, each of the plural lead units including, a lead including a body portion and a foot formed at an end of the lead; a solder portion formed at the foot of the lead to protrude toward the direction of the base member to have a summit portion, and a diffusion prevention portion provided on the lead for preventing a diffusion of a solder along the body portion of the lead.

Abstract: Disclosed is a surface mount device to be mounted on a base member, including plural lead units, each of the plural lead units including, a lead including a body portion and a foot formed at an end of the lead; a solder portion formed at the foot of the lead to protrude toward the direction of the base member to have a summit portion, and a diffusion prevention portion provided on the lead for preventing a diffusion of a solder along the body portion of the lead.

Abstract: A connector 100 comprises an optical module which has an optical element which is mounted on a mounting surface of a circuit board, said mounting surface being vertical to a connection direction of said connector and an optical waveguide member 140 which has a clad part 142 and a core part 143 which is formed inside of the clad part 142, the optical waveguide member 140 being provided with a first end face 144 which is arranged facing the mounting surface of the circuit board 131 and a second end face 145 at an opposite side to the first end face 144, the core part 143 being formed so as to propagate light between an optical fiber 241 which is supported by another connector 200 which is arranged facing the second end face 145 and the optical element 132.

Abstract: A connector includes a lead part configured to be connected to a board; and a solder sheet having a plate shape. The solder sheet is engaged with and fixed to the lead part with the lead part passing through a hole in the solder sheet. At least one of the lead part and the solder sheet has a structure configured to prevent the solder sheet from coming off the lead part.

Abstract: A connection member to be inserted into a through-hole of a socket module that is electrically connected between an electronic component and a substrate, the connection member includes: a first end portion that is connected to the electronic component; a second end portion that is connected to the substrate; a plurality of upper flexure portions that correspond to projections of a waveform arranged near the electronic component; and a plurality of lower flexure portions that correspond to projections of the waveform arranged near the substrate; wherein the connection member is a single conductor member with elasticity and is formed in the shape of the waveform.

Abstract: A connector includes: a housing; and a connector module; the connector module including: a projection portion that projects outside from the housing; a substrate composed of a material with thermal conductivity; and a terminal that is fixed to a lower part of the substrate and contacts on an external substrate.

Abstract: An electronic connector includes a plurality of pairs of terminal parts for transmitting an electric signal; and grounding parts shaped like plates and connected to have a ground potential, wherein the grounding parts have protrusions protruding on a side of the pairs of terminal parts, and the protrusions are respectively interposed between the pairs of terminal parts which are adjacent to each other.

Abstract: An optical connector includes an optical element to be optically connected to an optical fiber; and an optical component. The optical component includes an element fixation part configured to fix the optical element to the optical component; a ferrule attachment part to which a ferrule having the optical fiber connected thereto is to be attached; and a lens to face the optical fiber when the ferrule is attached to the ferrule attachment part. The optical element is positioned relative to the optical fiber in response to attachment of the ferrule to the ferrule attachment part.

Abstract: An electronic component includes: an electronic component body; and a lead secured to the electric component and including a projection portion defined by first and second inclined portions facing each other. The solder wettability of the first inclined portion is smaller than the solder wettability of the second inclined portion.

Abstract: A connector includes a plug connector and a jack connector configured to be connected with the plug connector. The plug connector includes a plug ground electrode, and a pair of plug terminals configured to transmit electric signals and having plug terminal connecting parts formed at first ends of the plug terminals. The jack connector includes a jack ground electrode, and a pair of jack terminals configured to transmit electric signals and having jack terminal connecting parts formed at first ends of the jack terminals. The jack terminal connecting parts are configured to be inserted between the plug terminal connecting parts and brought into contact with opposing surfaces of the plug terminal connecting parts when the jack connector is connected with the plug connector.

Abstract: A photoelectric conversion module includes: a plurality of optical connectors each connectable to an optical communication path; an electrical connector connectable to an electrical communication path; a circuit board equipped with a light receiving and emitting element, the light receiving and emitting element converting an optical signal received by the optical connector into an electrical signal to be transmitted to the electrical connector and converting an electrical signal received by the electrical connector into an optical signal to be transmitted to the optical connector; and a waveguide optically connecting the optical connector and the electrical connector.

Abstract: A male connector includes male connector modules placed in tiers and having respective first and second surfaces facing away from each other. The male connector modules each includes interconnection parts for electrical signal transmission on the first surface; a male connector ground part formed on the second surface so as to substantially cover the second surface; male connector contact parts provided at respective first ends of the interconnection parts on the first surface; male connector terminal parts joined to respective second ends of the interconnection parts on the first surface; and a male connector shield part provided on the side on which the male connector is configured to be connected to a female connector to be connected to the male connector ground and project relative to ends of the male connector contact parts in a direction in which the male connector is configured to be connected to the female connector.

Abstract: A connector includes: a housing; and a connector module; the connector module including: a projection portion that projects outside from the housing; a substrate composed of a material with thermal conductivity; and a terminal that is fixed to a lower part of the substrate and contacts on an external substrate.

Abstract: A printed circuit board of a card edge connector type includes interconnections formed on a surface of a substrate to be electrically coupled to respective connecting terminals formed by electrolytic plating on an edge of the substrate, and connecting terminal-forming wirings being respectively in connection with the interconnections, when the connecting terminals are formed by the electrolytic plating. The interconnections are electrically isolated from the connecting terminal-forming wirings by process openings formed in the substrate.

Abstract: A printed circuit board of a card edge connector type includes interconnections formed on a surface of a substrate to be electrically coupled to respective connecting terminals formed by electrolytic plating on an edge of the substrate, and connecting terminal-forming wirings being respectively in connection with the interconnections, when the connecting terminals are formed by the electrolytic plating. The interconnections are electrically isolated from the connecting terminal-forming wirings by process openings formed in the substrate.