Abstract:
[Problems to be Solved]The present invention provides a metal-core-board reinforcing structure which can simultaneously satisfy various requirements such as miniaturization, weight reduction, space-saving, heat radiation and provision of mechanically reinforced metal core board. [Means to Solve the Problems]The metal-core-board reinforcing structure according to the present invention has a metal core board 1 having a metal core and a resin plate 2 having substantially the same extent as that of the metal core board 1 and being fixedly attached to the metal core board 1 substantially parallel to one side of the metal core board 1 and spaced apart therefrom by a predetermined distance.
Abstract:
A flexible printed board mounting structure includes a main body that has an attachment portion on its rear side surface, and a flexible printed board that is attached to the rear side surface and the attachment portion of the main body. The surface of the attachment portion is substantially perpendicular to the rear side surface. The flexible printed board includes a first area that is at least partially attached to the rear side surface of the main body, an attachment area to which a light-receiving IC is attached, the attachment area being attached to the attachment portion of the main body, and a connecting portion that is unitarily formed with the first area and the attachment area and connects the first area and the attachment area in a deflective manner. The position of the light-receiving IC can be easily adjusted relative to the attachment portion of the main body.
Abstract:
A printed circuit board connection structure allowing facilitated connection of a plurality of printed circuit boards and cost reduction, a high-frequency unit, a method of connecting printed circuit boards, and a method of manufacturing a high-frequency unit are provided. A printed circuit board connection structure includes a plurality of printed circuit boards, having a connection portion pattern, formed on a surface, and at least one printed circuit board out of the plurality of printed circuit boards, is arranged with respect to another printed circuit board such that the connection portion patterns, are opposed to each other. In addition, the opposing connection portion patterns, are connected to each other by means of a reflow-hardened solder.
Abstract:
A package board module wherein a semiconductor chip such as an LSI is mounted on the topside surface of a package board, and a package mounted module wherein the package board is mounted on the motherboard of a large-sized computer or the like. A stiffener for supporting the package board and/or a stiffener for supporting the motherboard each has a bimetal structure wherein a first member and a second member having mutually different thermal expansion coefficients are respectively adhered to each other, so as to cause the stiffeners to warp in harmony with the warpage of the package board and the motherboard caused by a temperature change, thereby preventing stress from arising in the solder-bonded portions.
Abstract:
For a conductor structure component with plastics material injection-molded therearound, a fixing member for electric conductors is inserted, which fixing member is formed by a prefabricated carrier body comprising receptacles for the retention of individual wires as said electric conductors.
Abstract:
A method and a device for coupling a PCB sheet are disclosed. If a defective PCB is found after the manufacture of continuously arranged circuit patterns, then the defective PCB sheet portion is removed to replace it with a new PCB sheet portion. That is, a defective circuit pattern sheet 2′ is removed from continuously arranged circuit patterns of a first PCB sheet 4a. After removal of the defective circuit pattern sheet 2′, the first PCB sheet 4a is position-located by means of a position locating means 12. Then the space which is formed by removing the defective circuit pattern sheet 2′ is filled with a second PCB sheet 4b on which a good quality circuit pattern 2b is printed. Then the first PCB sheet 4a and the second PCB sheet 4b are coupled together by using an adhesive means 14.
Abstract:
An electronic apparatus includes metal wiring plates placed together in the same plane to provide a wiring circuit, electronic devices mounted to the wiring plates through a solder, a case having a base portion and columnar portions extending from the base portion. The wiring plates are fixed to the columnar portions such that the wiring circuit is spaced from the base portion. The wiring plates have an enough thickness to resist a large current for operating the electronic devices and to release heat generated by the electronic devices. The wiring circuit is spaced from the base portion of the case so that the heat generated by the electronic devices is released in the space efficiently. The electronic devices are soldered to the wiring plates at once in a thermal reflow process.
Abstract:
The invention provides a printed circuit board capable of preventing an electronic component from tilting or uplifting without adopting special structures in an existing electronic component. The printed circuit board has an engagement portion and terminal holes and for mounting an electronic component, comprising narrowed portions and having substantially the same width as the mounting leg portions and connecting terminals of the electronic component, and guidance portions having a width wider than the narrowed portion, wherein the mounting leg portions and connecting terminals are inserted to the guidance portion, and the electronic component is moved via sliding motion, by which the mounting leg portions and the connecting terminals are supported tightly in the narrowed portion. Thus, it becomes possible to prevent the displacement or tilt of the electronic component.
Abstract:
There is provided a method of manufacturing a conductive layer of in a signal transmission substrate. The method includes sewing conductive thread in sheet-like material having an insulating property so as to form one of a plurality of low resistance regions using the conductive thread in a high resistance region formed by the sheet-like material, moving the conductive thread from an end point of a previously sewed low resistance region to a start point of a low resistance region to be sewed subsequently, repeating the sewing and moving steps to form the plurality of low resistance regions in the high resistance region, and forming a plurality of holes in the conductive layer by press working so that an electrical component attached to at least one of the plurality of holes is able to transmit a signal between neighboring ones of the plurality of low resistance regions.
Abstract:
A method for fixing a flexible circuit board (FPC) of a display module includes providing a housing having at least a fixing pin, providing a display panel and an FPC having at least a fixing hole corresponding to the fixing pin, disposing the display panel and the FPC on the housing and folding back the FPC on another side of the housing such that the fixing pin passes through the fixing hole, and performing a hot mounting process to the fixing pin to enlarge the top end of the fixing pin to press the FPC onto the housing.