31results about How to "Improve connection characteristics" patented technology

An intermediate layer 38 is provided on a die pad 22 of an IC chip 20 and integrated into a multilayer printed circuit board 10. Due to this, it is possible to electrically connect the IC chip 20 to the multilayer printed circuit board 10 without using lead members and a sealing resin. Also, by providing the intermediate layer 38 made of copper on an aluminum pad 24, it is possible to prevent a resin residue on the pad 24 and to improve connection characteristics between the die pad 24 and a via hole 60 and reliability.

The invention relates to a connection device of a converter ring and a furnace shell, in particular to a spherical hinge disc suspension type connection device of the converter ring and the furnace shell. The connection device is characterized by consisting of 3 to 4 connection units. Each connecting unit comprises a lug, a support shaft, a sliding sleeve, a support ring, and a spherical hinge bearing, wherein the lug is fixedly connected with the converter ring and provided with a through hole for the sliding sleeve which is positioned in the through hole and is fixedly connected with the lug; the external end of the support shaft is inserted into the sliding sleeve; the internal end of the support shaft is fixedly connected with the internal ring of the spherical hinge bearing; and the external ring of the spherical hinge bearing is fixedly connected with the support ring which is fixedly connected with the furnace shell. The connection device has the characteristics of simple structure, high reliability, free maintenance, and no additional stress generation in operation process of the converter.

The invention relates to a connecting device for a converter backing ring and a furnace shell. The connecting device for the spherical hinge slider type converter backing ring and the furnace shell comprises three connecting units, wherein each connecting unit comprises a hanging disc, a big ear base, a supporting shaft, a sliding sleeve and a spherical hinge shaft; the hanging disc comprises a backing ring welded on the furnace shell and rib plates radially arranged around the backing ring; the rib plates are respectively welded with the backing ring and the furnace shell; the big ear base is positioned under the backing ring and is fixedly connected to the backing ring; the big ear base is provided with a sliding sleeve through hole; the sliding sleeve is arranged in the sliding sleeve through hole; an external end of the supporting shaft is fixed with the sliding sleeve; an interior end of the supporting shaft is the shaft shoulder; the interior of the supporting shaft is fixedly connected to an inner ring of the spherical hinge shaft; the spherical hinge shaft is outside of the shaft shoulder; and the outer ring of the spherical hinge shaft is fixed with the backing ring. The connecting device of the invention is characterized by simple and reliable structure, bearing static determinacy of furnace shell and capability of improving bearing condition.

The present invention relates to a coaxial connector. According to the present invention, there is provided a coaxial connector which is installed for electrical connection of a communication module, and includes a first connector in which an insulator through which a conductor penetrates is installed inside a first housing, and a conductive gasket is seated between the first housing and the insulator; and a second connector which is coupled so that a front end comes into close contact with the conductive gasket.

The invention discloses a resistance spot welding method of an aluminum-based composite material. When performing resistance spot welding connection of aluminum matrix composite materials, a pure aluminum foil with a thickness of 2-10 μm is added between the aluminum matrix composite materials, and a pure aluminum foil is added between the aluminum matrix composite materials for spot welding connection. The preloading time is 0.8-1.8 seconds, the holding time is 1.0-2.2 seconds, the electrode pressure is 2500-3500 Newtons, the welding time is 0.3-0.5 seconds, and the welding current is 16.5-19.5 kA. In the invention, a pure aluminum foil is added between the aluminum matrix composite materials for resistance spot welding connection, thereby effectively improving defects such as small nugget diameter, low joint strength and adhesion of the current aluminum matrix composite material resistance spot welding. The aluminum-based composite material is spot-welded by the present invention, the average diameter of the nugget is 7.2mm, and the average shear resistance of the joint is 2043.9N.

The invention discloses a method for removing a film. The method comprises the following steps of: providing a substrate the surface of which is provided with a film; transmitting the substrate to a treating room; carrying out the plasma activation on reactant gas outside the treating room by using a low-powered radio-frequency power supply; introducing the reactant gas after being subjected to the plasma activation to the treating room; and carrying out etching treatment by using the reactant gas after being subjected the plasma activation to remove the film, and removing resultants producedin the etching treatment process by using the annealing treatment. The invention also discloses specific implementation steps for forming a local metal silicide and forming the opening of a contact hole by using the method correspondingly. By using the method for removing a film, the damage to the understructure by a traditional dry etching method can be avoided, and the damage to the side-wall structure by an isotropic wet corrosion method can be also avoided.

The invention relates to an optical connector and a connection structure of optical fibers. To connect optical fibers to each other in the state of being cut without polishing end faces of the optical fibers after cutting them. The optical connector is provided with a ferrule 7 with a 1st built-in optical fiber 11, and an optical fiber connector 9 connected with an end edge of the ferrule 7, and the end face of a 2nd optical fiber 12 inserted from the end edge side 9a of the optical fiber connector 9 and the end edge side end face 11a of the 1st optical fiber 11 are butt-connected. A cross-linking-hardening refractive index matching body 6 is adhering to the end edge side end face 11a, and the cross-linking-hardening refractive index matching body 6 cross-linking-hardens a cross-linking-hardening refractive index matching agent applied to the end edge side end face 11a of the optical fiber 11.

The present invention relates to an anisotropic conductive film and a semiconductor device connected by the same, which can prevent short circuits and improve cost savings by adjusting the density of conductive particles in an electrode portion crimped between electrodes and the density of conductive particles in a space portion Effects and connection properties.

The invention relates to a connection device of a converter ring and a furnace shell, in particular to a spherical hinge disc suspension type connection device of the converter ring and the furnace shell. The connection device is characterized by consisting of 3 to 4 connection units. Each connecting unit comprises a lug, a support shaft, a sliding sleeve, a support ring, and a spherical hinge bearing, wherein the lug is fixedly connected with the converter ring and provided with a through hole for the sliding sleeve which is positioned in the through hole and is fixedly connected with the lug; the external end of the support shaft is inserted into the sliding sleeve; the internal end of the support shaft is fixedly connected with the internal ring of the spherical hinge bearing; and the external ring of the spherical hinge bearing is fixedly connected with the support ring which is fixedly connected with the furnace shell. The connection device has the characteristics of simple structure, high reliability, free maintenance, and no additional stress generation in operation process of the converter.

The invention discloses a manufacturing method of a flexible printed circuit board. The manufacturing method comprises the following steps that: (1) a first flexible printed circuit board is manufactured; (2) a second flexible printed circuit board is manufactured; (3) the first flexible printed circuit board and the second flexible printed circuit board are laminated; (4) laser drilling is performed on a multilayer flexible printed circuit board accomplished in the step (3); (5) solder-resisting printing ink is printed on positions of the multilayer flexible printed circuit board where electronic components are not needed to be welded; and (6) the multilayer flexible printed circuit board is cut into a flexible printed circuit board in a predetermined specification through using a laser cutting process.

The invention relates to a method for connecting a strand element (100) to a connection element (150) using a re-shaping method, e.g. connecting a cable to a cable lug. The system (10) comprises a pair of receiving elements (200) having a front side (210) with a recess (215) and a hollow section (230). The hollow section (230) is designed to accommodate a press insert (300) having a front side (310) with a recess (315). The receiving elements (200) and the press inserts (300) are arranged in a vice (500). The system (10) also comprises a clamp (400) having a front side (410) with a recess (415), which is suitable for receiving the connection element (150). When a pair of receiving elements (200) is arranged, together with the press insert (300), around a central region (155) of the connection element (150), then a re-shaping connection, e.g. a crimp connection, is produced between the strand element (100) and the connection element (150).