Abstract: Provided is a connector with enhanced contact reliability. A connector includes a plug and a receptacle connected to the plug. The plug includes a plug main body having a plug surface including a first plug region, a second plug region, and a third plug region, a plurality of projecting parts including a first projecting part and a second projecting part projecting from the plug surface, and a plurality of plug terminals projecting lower than the projecting parts from the plug surface. The receptacle includes a receptacle main body having a receptacle surface including a first receptacle region, a second receptacle region, and a third receptacle region, where a first groove and a second groove are formed on the receptacle surface, and a plurality of receptacle terminals.

Abstract: A connector includes an external housing having cavities, internal housings, and terminals to be accommodated in the internal housings, wherein retainers extending in an insertion direction of internal housings into the cavities are formed on inner wall surfaces of the cavities, groove parts for receiving the retainers are formed on outer wall surfaces of the internal housings, the retainers are configured to achieve secondary locking of the plurality of terminals accommodated in the internal housings, the retainers of the cavities have different shapes from one another, and the groove parts of the internal housings have shapes complementary to the shapes of the retainers of the corresponding cavities.

Abstract: A connector assembly includes a first connector and a second connector, in which the first connector includes: a first signal terminal; a first fixed part which fixes a first part of the first signal terminal; a first terminal which fixes the first signal terminal with the first fixed part held therebetween; a second fixed part which fixes a second part of the first signal terminal; and a second terminal inside which the first signal terminal is fixed with the second fixed part held therebetween, the second connector includes: a second signal terminal; a third fixed part which fixes the second signal terminal; and a third terminal which fixes the second signal terminal with the third fixed part held therebetween, and since a diameter of the bending part is smaller than a diameter of the second part, the second fixed part is caught on the second part and is retained.

Abstract: A socket connector includes a socket housing in which an island part and a peripheral wall surrounding the island part project upward from a bottom plate, a plurality of socket contacts arranged in the socket housing, and two protective metal fittings. In a cutting step, a half-dome part of the two protective metal fittings is formed by cutting a metal plate in such a way that a dome part in a symmetrical shape formed by drawing in the metal plate is split into two halves along a line of symmetry. In a press-fitting step, two press-fitting parts of each socket hold-down are press-fit into two long walls, respectively.

Abstract: A housing has a first positioning hole that penetrates the housing in the vertical direction. A suction cap includes a suction plate part to be sucked by a suction nozzle, and a plurality of positioning protrusion parts, each of which is to be inserted into a first positioning hole of the housing of an input/output board-side connector and a CPU board-side connector in the state where the suction cap holds the input/output board-side connector and the CPU board-side connector. Each positioning protrusion part is inserted into each corresponding first positioning hole in the state where the suction cap holds the input/output board-side connector and the CPU board-side connector, which achieves the positioning of the input/output board-side connector and the CPU board-side connector with respect to the suction cap.

Abstract: A connector is mounted on an input-output board. The connector is interposed between the input-output board and a CPU board, and thereby a plurality of pads of the input-output board and a plurality of pads of the CPU board are respectively electrically connected. The connector includes a rectangular flat-plate housing having a first positioning hole and a second positioning hole, and at least one contact row held on the housing. The first positioning hole is formed at a first housing corner part of the housing. The second positioning hole is formed at a fourth housing corner part, which is at a diagonal position with respect to the first housing corner part, of the housing.

Abstract: A first hold-down includes a hold-down elastic piece supported like a cantilever beam by a reinforcing plate part. The hold-down elastic piece includes an elastic piece body extending from the reinforcing plate part, and a curve contact part formed at an end of the elastic piece body and projecting toward a CPU board beyond a CPU board opposed surface. A housing is formed in such a way that the curve contact part does not come into contact with the housing when the curve contact part no longer projects toward the CPU board beyond the CPU board opposed surface as a result of the curve contact part being elastically displaced toward an input-output board.

Abstract: A composite connector that contributes to an improvement of workability for mating connectors with each other while preventing or reducing an increase in manufacturing cost is provided. A composite connector includes a first module including a first housing in which a first connector is exposed, and a second housing rotatable about the first housing, the second housing including a second connector, and a second module including a third connector, and a third housing including a fourth connector, the third connector being configured to be mated with and connected to the first connector. The composite connector is configured so that the second and fourth connectors are mated with each other in a state in which one of a projection and a recess that is formed in the second housing is mated with the other of the projection and the recess that is formed in the third housing.

Abstract: A connector includes a rectangular flat-plate housing including a first positioning hole and a second positioning hole, and a contact row and a contact row held on the housing. The housing includes a first pitch side surface and a second pitch side surface on an opposite side of the first pitch side surface. The contact row and the contact row extend from the first pitch side surface to the second pitch side surface. The first positioning hole is disposed between the first pitch side surface and the contact row, and the second positioning hole is disposed between the first pitch side surface and the contact row.

Abstract: A connector includes a flat-plate housing made of insulating resin and including a first positioning hole and a second positioning hole, a plurality of contacts held on the housing, and a first hold-down and a second hold-down made of metal and disposed to correspond to a first positioning hole and a second positioning hole, respectively. The housing includes a CPU board opposed surface to be opposed to a CPU board. The first hold-down includes a reinforcing plate part to cover the CPU board opposed surface around the corresponding first positioning hole. The second hold-down includes a reinforcing plate part to cover the CPU board opposed surface around the corresponding second positioning hole.

Abstract: A wire includes a core wire and an insulation coating that covers an outer periphery of the core wire. The core wire includes a distal end region containing a distal end surface of the core wire, and a body region being a part other than the distal end region. The distal end region includes a first distal end region containing the distal end surface, and a second distal end region located between the first distal end region and the body region. The insulation coating includes a distal end coating part that covers an outer periphery of the first distal end region in a tube shape, an insulation coating body that covers an outer periphery of the body region in a tube shape, a coating joint part that joins the distal end coating part and the insulation coating body together.

Abstract: A connector includes a rectangular flat-plate housing including a first positioning hole and a second positioning hole, and a contact row and a contact row held on the housing. The housing includes a first pitch side surface and a second pitch side surface on an opposite side of the first pitch side surface. The contact row and the contact row extend from the first pitch side surface to the second pitch side surface. The first positioning hole is disposed between the first pitch side surface and the contact row, and the second positioning hole is disposed between the first pitch side surface and the contact row.

Abstract: A connector includes a flat-plate housing made of insulating resin and a contact held on a housing by press-fitting. The housing includes a press-fitting space and a solder connection checking hole. The contact includes a press-fit part to be press-fit into the press-fitting space, and a soldering part that extends from the press-fit part and is connected by soldering to a pad of an input-output board. The solder connection checking hole is formed to penetrate the housing in the vertical direction and allow a solder fillet, which is formed when the soldering part is soldered to the pad of the input-output board, to be checked through the solder connection checking hole. The housing includes a separating wall that separates the press-fitting space from the solder connection checking hole.

Abstract: A connector includes a flat-plate housing made of insulating resin and including a first positioning hole and a second positioning hole, a plurality of contacts held on the housing, and a first hold-down and a second hold-down made of metal and disposed to correspond to a first positioning hole and a second positioning hole, respectively. The housing includes a CPU board opposed surface to be opposed to a CPU board. The first hold-down includes a reinforcing plate part to cover the CPU board opposed surface around the corresponding first positioning hole. The second hold-down includes a reinforcing plate part to cover the CPU board opposed surface around the corresponding second positioning hole.

Abstract: Each of plug contacts and each of receptacle contacts come into electrical contact with each other by mating a plug connector and a receptacle connector. Each of the receptacle contacts includes a receptacle contact guide part that has a receptacle contact guide hole into which each plug contact can be inserted in a direction toward a receptacle side board, and two spring pieces that are elastically deformed when each plug contact is inserted into the receptacle contact guide hole. The two spring pieces come into contact with each plug contact inserted into the receptacle contact guide hole by a spring restoring force.

Abstract: A connector includes a flat-plate housing made of insulating resin and a contact held on a housing by press-fitting. The housing includes a press-fitting space and a solder connection checking hole. The contact includes a press-fit part to be press-fit into the press-fitting space, and a soldering part that extends from the press-fit part and is connected by soldering to a pad of an input-output board. The solder connection checking hole is formed to penetrate the housing in the vertical direction and allow a solder fillet, which is formed when the soldering part is soldered to the pad of the input-output board, to be checked through the solder connection checking hole. The housing includes a separating wall that separates the press-fitting space from the solder connection checking hole.

Abstract: A receptacle connector includes a fixed housing, a movable housing, a plurality of receptacle contacts disposed across the fixed housing and the movable housing, and a receptacle hold-down that restricts upward movement of the movable housing from the fixed housing. The movable housing is movable in a pitch direction of the plurality of receptacle contacts in relation to the fixed housing. The receptacle hold-down includes two housing fixing parts to be fixed to the fixed housing, and an elastic deformation part supported by the housing fixing parts and opposed to the movable housing in an insertion and removal direction. The elastic deformation part is opposed to the movable housing in the pitch direction and elastically deformable in the pitch direction.

Abstract: A first hold-down includes a reinforcing plate part that covers a CPU board opposed surface. A suction cover includes a flat-plate suction plate part covering an electrical contact spring piece of each contact and thereby able to be sucked by a suction nozzle, a plurality of attachment spring pieces configured to catch on a connector so that the suction plate part is detachable from a connector, and a first main deformation restraining part projecting from the suction plate part toward the CPU board opposed surface in order to inhibit the suction plate part from being deformed toward the CPU board opposed surface in the state where the suction cover is attached to the connector. The first main deformation restraining part is disposed to come into contact with the reinforcing plate part when the suction plate part is deformed toward the CPU board opposed surface.

Abstract: A plug auxiliary fitting includes a plug side-wall facing portion facing a side surface of a plug housing. The plug side-wall facing portion includes a plug electrical connecting portion capable of coming into electrical contact with a receptacle auxiliary fitting, and a plug mating lock portion that cooperates with the receptacle auxiliary fitting to prevent a mating state between a plug connector and a receptacle connector from being released. The plug electrical connecting portion and the plug mating lock portion are, in a direction parallel to a plug-connector mounting surface of a plug-side board, adjacent to each other with a notch opened toward the plug-connector mounting surface of the plug-side board interposed therebetween. The plug mating lock portion is provided with a soldering portion solderable to the plug-connector mounting surface of the plug-side board.

Abstract: A first receptacle pitch inner surface and a first plug pitch outer surface opposite each other are both flat surfaces, and they are configured to come into surface contact with each other in the mated state. A distance in the pitch direction between a second receptacle pitch inner surface and a second plug pitch outer surface opposite each other in the mated state is larger than a distance in the pitch direction between the first receptacle pitch inner surface and the first plug pitch outer surface opposite each other in the mated state. A distance in the pitch direction between the first receptacle pitch inner surfaces of two receptacle pitch inner surfaces is longer than a distance in the pitch direction between the first plug pitch outer surfaces of two plug pitch outer surfaces.