Abstract:
A junction structure and a joining method of substrates are provided that stably can join the substrates and achieve high workability during joining. A second substrate 2 to be joined with solder to a first substrate 1 is bent with elasticity generated by a bending portion 9, and first joints 5 on the first substrate 1 and second joints 6 on the second substrate 2 are joined with solder in a state in which the first substrate 1 is brought into contact with, in a direction that increases the bending angle of the bending portion 9, a part where the joints 6 are formed on the second substrate 2.
Abstract:
There is provided a low-cost semiconductor device that commercial and quality-assured (inspected) chip size packages can be stacked and has a small co-planarity value and a high mounting reliability. A semiconductor device in which a flexible circuit substrate is adhered to at least a part of a lateral side of a semiconductor package, and the flexible circuit substrate, which is on a side facing solder balls of the semiconductor package, is folded at a region inside of an edge of the semiconductor package (FIG. 1).
Abstract:
A bonding device for bonding a flexible printed circuit board (PCB) to a printhead assembly includes an enclosed work area; a first heater assembly provided within the enclosed work area and movable along a first path; a bending mechanism provided within the enclosed work area and adapted to bend the bonded PCB; a second heater assembly provided within the enclosed work area and movable along a second path; a nest structure for receiving the printhead assembly, the nest structure movable along a third path; and a control system to control operation of the heater assemblies, bending mechanism, and nest structure. The first path and the second path are constrained to an area within the enclosed work area, and the third path crosses a boundary of the enclosed work area.
Abstract:
To provide a thin metal base circuit board which can be not only installed on a flat portion but also closely attached to a side or bottom surface of a case or to a stepped or curved portion and which is excellent in heat dissipation performance, electrical insulating performance and flexibility; a process for its production; and a hybrid integrated circuit, an LED module and a bright, ultra-long-life LED light source employing it. A metal base circuit board having insulating layers and conductive circuits or metal foils alternately laminated, characterized in that the thickness of each conductive circuit or metal foil is from 5 μm to 450 μm, each insulating layer is made of a cured product of a resin composition comprising an inorganic filler and a thermosetting resin, and the thickness of each insulating layer is from 9 μm to 300 μm; and a hybrid circuit board employing it.
Abstract:
Electronic devices may be provided that include mechanical and electronic components. Connectors may be used to interconnect printed circuits and devices mounted to printed circuits. Printed circuits may include rigid printed circuit boards and flexible printed circuit boards. Heat sinks and other thermally conductive structures may be used to remove excess component heat. Structures may also be provided in an electronic device to detect moisture. Integrated circuits and other circuitry may be mounted on a printed circuit board under a radio-frequency shielding can.
Abstract:
Electronic devices may be provided that include mechanical and electronic components. Connectors may be used to interconnect printed circuits and devices mounted to printed circuits. Printed circuits may include rigid printed circuit boards and flexible printed circuit boards. Cosmetic structures such as cowlings may be used to improve device aesthetics. Bumpers may be mounted over rough edges of printed circuit boards to protect flex circuits that are routed over the printed circuit boards. Fasteners may be soldered to solder pad structures on printed circuit boards.
Abstract:
A flexible printed circuit board includes a first substrate portion having at least one first terminal, a second substrate portion in communication with the first substrate portion and having at least one circuit device, a connection substrate portion in communication with the second substrate portion, the connection substrate portion extending away from the second substrate portion in a same direction as the first substrate portion, and a third substrate portion in communication with the connection substrate portion, the third substrate portion having at least one second terminal.
Abstract:
An image pickup apparatus includes an image pickup device chip having an image pickup device on a front face and an external connection terminal on a rear face through a via interconnect; a wiring board placed within a projection plane of the image pickup device chip and made up of an intermediate portion whose first main face is connected with the external connection terminal, a first flexing portion and a second flexing portion extended from opposite ends of the intermediate portion and bent toward the intermediate portion at a predetermined angle, and a first extension portion and a second extension portion; and a signal cable connected to the first extension portion and the second extension portion.
Abstract:
A mounting structure includes a substrate, a first terminal, a first flexible circuit board, and a second terminal. The first terminal is arranged in a first region of a first face of the substrate. The first flexible circuit board is connected to the first terminal through an anisotropic conductive film. The second terminal is arranged in a second region of a second face, which is a rear face relative to the first face of the substrate, wherein the second region does not overlap the first region in plan view. A region of the second face of the substrate, which overlaps the first region in plan view, is formed to be a smooth face.
Abstract:
A semiconductor module is provided which includes a beat heat spreader, at least two semiconductors thermally coupled to the heat spreader, and a plurality of electrically conductive leads electrically connected to the semiconductors. At least one of the electrically conductive leads is common to both of the semiconductors The semiconductor module also includes a termination resistor electrically coupled to at least one of the semiconductors. A method of making a semiconductor module is also taught, whereby a plurality of electrically conductive leads are provided. At least two semiconductors are electrically coupled to the plurality of electrically conductive leads, where at least one of the electrically conductive leads is common to both of the semiconductors. The semiconductors are then thermally coupled to a heat spreader. Subsequently, a termination resistor is electrically coupled to at least one of the semiconductors.