Stacked circuit board structures and methods of assembly are described. In an embodiment, a stacked circuit board structure includes first circuit board and a second circuit board including a plurality of pins mounted thereon, and the plurality of pins are secured in a plurality of receptacles that are coupled with the first circuit board to provide electrical connection between the first circuit board and the second circuit board.

A flexible printed circuit board includes a base film having an insulating property and a conductive pattern laminated on one surface of the base film, and has a terminal connecting area toward one end edge of the conductive pattern, the flexible printed circuit board including a reinforcement member laminated on an opposite surface of the base film and situated at least at a position opposite the terminal connecting area, wherein the reinforcement member has one or more lines of hollow holes aligning with a width direction thereof.

A display device includes a display panel including first pads in a first row and second pads in a second row, a driving circuit board, a first connection circuit board including a first output portion on which first output pads bonded to the first pads of the display panel are disposed, a first input portion on which first input pads bonded to the driving circuit board are disposed, and a first protruding portion, and a second connection circuit board including a second output portion which overlap at least a portion of the first output portion and on which second output pads bonded to the second pads of the display panel are disposed, and a second input portion on which second input pads bonded to the driving circuit board are disposed. At least a portion of the first protruding portion is disposed on the second input portion.

A sensor module according to an embodiment of the present technology includes a housing, a sensor board, an external connector, a flexible printed circuit, and a metallic shield case. The flexible printed circuit electrically connects the sensor board and the external connector, the flexible printed circuit including a signal line and a ground line. The shield case includes a bottom portion that is arranged between the flexible printed circuit and the external connector. The external connector includes a first connection pin that is connected to the signal line, a second connection pin that is connected to the ground line, and a third connection pin that is connected to the bottom portion of the shield case. The bottom portion includes a first hole, a second hole, a third hole, and a thermal storage, the first hole being a hole through which the first connection pin passes, the second hole being a hole through which the second connection pin passes, the third hole being a hole through which the third connection pin passes, the thermal storage being provided around the third hole and covered with a solder material used to join the third connection pin to the bottom portion.

A solder bridge (1) for a vehicle windscreen, the solder bridge (1) comprises a first foot portion (11A) for connection to a vehicle windscreen and a second foot portion (11B) for connection to a vehicle windscreen, the first foot portion (11A) and second foot portion (11B) being interconnected by a flexible electrically conductive body (12).

A solder bridge (1) for a vehicle windscreen, the solder bridge (1) comprises a first foot portion (11A) for connection to a vehicle windscreen and a second foot portion (11B) for connection to a vehicle windscreen, the first foot portion (11A) and second foot portion (11B) being interconnected by a flexible electrically conductive body (12).

A welding structure includes: a first metal member and a second metal member that are superimposed and welded together. The first metal member has a hole. The second metal member includes a nugget portion where a part of the second metal member has been melted by heat of laser light and has re-solidified. A peripheral portion of the hole in the first metal member covers the nugget portion. A part of the nugget portion is exposed through the hole.

A cable connector includes a cable including a center conductor and a housing supporting a portion of the center conductor. An imaginary line divides a cross-section of the center conductor into two semicircles, and when the cable connector is mated with a mating connector, only one of the two semicircles is directly connected with a corresponding contact of the mating connector.

A circuit board structure has a first flexible circuit board, a second flexible circuit board, and a rigid board structure. The first flexible circuit board has a first dielectric layer and a first conductive circuit. The second flexible circuit board has a second dielectric layer and a second conductive circuit. The rigid board structure connects the first flexible circuit board and the second flexible circuit board. The rigid board structure has a third dielectric layer and a third conductive circuit. A dielectric loss value of the third dielectric layer is less than that of each of the first dielectric layer and the second dielectric layer. The third conductive circuit is electrically connected to the first and second conductive circuits.

A circuit board structure has a first flexible circuit board, a second flexible circuit board, and a rigid board structure. The first flexible circuit board has a first dielectric layer and a first conductive circuit. The second flexible circuit board has a second dielectric layer and a second conductive circuit. The rigid board structure connects the first flexible circuit board and the second flexible circuit board. The rigid board structure has a third dielectric layer and a third conductive circuit. A dielectric loss value of the third dielectric layer is less than that of each of the first dielectric layer and the second dielectric layer. The third conductive circuit is electrically connected to the first and second conductive circuits.