An interconnect device may include a first center conductor of a first material that has a first durometer. The first center conductor may be surrounded by a first inner dielectric ring, which may be surrounded by a conductive region of a second material having a second durometer. The second durometer may be different from the first durometer. The conductive region may have a first end that defines a first plane and a second end that defines a second plane. An outer dielectric ring may surround the conductive region. The first center conductor may have a first bulb and a second bulb, the first bulb may extend in a direction away from the second plane and beyond the first plane, and the second bulb may extend in a direction away from the first plane and beyond the second plane.

An electronic system for identifying an article can include a printed memory having a plurality of contact pads electrically coupled to a plurality of landing pads positioned on a first side of a printed circuit board (PCB) substrate. The plurality of landing pads can be electrically coupled to a plurality of endless, concentric contact lines positioned on a second side of the PCB substrate through a plurality of vias that extend through a thickness of the PCB substrate and a plurality of traces that electrically couple the plurality of vias with the plurality of landing pads. To perform a memory operation on the printed memory, contact probes of a reader are physically and electrically contacted with the plurality of concentric contact lines. In some implementations, the memory operation can be performed on the printed memory irrespective of a rotational orientation of the printed memory relative to the reader.

A method for manufacturing a printed wiring board includes forming a base insulating layer, forming a conductor layer on the base layer, forming a solder resist layer on the base layer such that the resist layer covers the conductor layer, forming first opening exposing a first pad of the conductor layer, forming second opening exposing a second pad of the conductor layer and having diameter smaller than diameter of the first opening, forming a first bump on the first pad, and forming a second bump on the second pad such that the second bump has diameter smaller than diameter of the first bump. The first bump includes a first base plating layer and a first top plating layer, and the second bump includes a second base plating layer and a second top plating layer having upper surface higher than the uppermost position of upper surface of the first top layer.

A wiring substrate includes an insulating layer, and a conductor layer formed on the insulating layer and including a mesh-like conductor pattern and conductor pads such that the mesh-like conductor pattern has openings exposing the insulating layer and that the conductor pads are formed at substantially centers of selected ones or all of the openings respectively. The conductor layer is formed such that each of the openings has a polygonal shape, that gaps are formed between the conductor pads and the conductor pattern surrounding the conductor pads, and that each of the conductor pads has a curved outer edge.

Various embodiments relating to a pogo module comprising a pogo pin for maintaining an electrical connection state when an electronic device is rotated and not rotated are disclosed, and according to one embodiment, the pogo module comprises: first and second housings; module circuit boards provided inside the first and second housings; at least one pogo pin provided to the module circuit board and comprising a rotatable structure electrically connected to at least one electrode pattern included in a printed circuit board of the electronic device; and a support body coupled to the module circuit board to support the at least one pogo pin, wherein the rotatable structure can maintain an electrical connection state with the at least one electrode pattern when the electronic device is rotated or not rotated. In addition, various other embodiments are possible.

A trigger device includes a circuit board, an arched sheet, and a noise-reducing unit that includes first and second electroconductive sheets respectively connected to first and second nodes of the circuit board. The arched sheet is mounted to the second electroconductive sheet and is pressible from a preset state to a bent state, with the arched sheet being deformed and proximate to the first electroconductive sheet, and further from the bent state to a contact state, with the second electroconductive sheet being compressed and with a central portion of the arched sheet being brought into contact with the first electroconductive sheet to thus electrically connect the first and second nodes.

A wiring substrate has a substrate body formed by a single or a plurality of insulating layers and having front and back surfaces located at opposite sides of the substrate body; a plurality of pads formed on at least one of the front surface, the back surface and an inner layer surface that is located between the front and back surfaces, and having a staggered arrangement in plan view; and a plurality of via conductors formed at each of the pads, extending in a thickness direction of the substrate body with the plurality of via conductors being parallel to each other and connecting the pads located on different surfaces. Arrangement, in plan view, of the plurality of via conductors connecting to the pad and arrangement, in plan view, of the plurality of via conductors connecting to an adjacent pad located on the same surface are different from each other.

In an electric component embedded structure, a first electrode terminal provided on a first main surface includes an intra-area terminal, and the intra-area terminal is electrically connected to an overlap portion of an overlap wiring in a formation area of an electric component. Accordingly, a decrease in mounting area of the electric component embedded structure is achieved. The intra-area terminal can be electrically connected to a second electrode terminal provided on a second main surface via a first via-conductor, the overlap wiring, and a second via-conductor. The intra-area terminal is connected to a wiring (an overlap wiring) of a first insulating layer without additionally providing a rewiring layer causing an increase in thickness, and the increase in thickness is curbed, whereby a decrease in size of the electric component embedded structure is achieved.

A substrate is provided. The substrate includes a bottom plate and at least one bonding portion disposed on the bottom plate, where each bonding portion takes a shape that is a part of an Archimedean spiral. An electronic device, a bonding structure, and a bonding method for the bonding structure are further provided.

An electric device includes a semiconductor assembly, a circuit board, first conductive pads and second conductive pads. The circuit board has a chip-mounted area with a rectangular shape. The first conductive pads are arranged in a center zone or all corner zones of the chip-mounted area, and the second conductive pads are arranged within the rest in the chip-mounted area. The first conductive pads are respectively soldered to one part of solder joints of the semiconductor assembly through first solder-ball portions, and the second conductive pads are respectively soldered to another part of the solder joints of the semiconductor assembly through second solder-ball portions. Each of the second conductive pads is sized smaller than one of the first conductive pads, and a maximum width of each of the second solder-ball portions is greater than a maximum width of each of the first solder-ball portions.