299results about How to "Improve assembly reliability" patented technology

A method of assembling chips. A first chip and a second chip are provided. At least one conductive pillar is formed on the first chip, and a conductive connecting material is formed on the conductive pillar. The second chip also comprises at least one conductive pillar. The first chip is connected to the second chip via the conductive pillars and the conductive connecting material.

A method of assembling chips. A first chip and a second chip are provided. At least one conductive pillar is formed on the first chip, and a conductive connecting material is formed on the conductive pillar. The second chip also comprises at least one conductive pillar. The first chip is connected to the second chip via the conductive pillars and the conductive connecting material.

A back electrode type electronic part includes a main body including a circuit, and electrodes arranged for solder bumps on a back surface portion of the electronic part and connected to the circuit. Each of groups of the electrodes in portions of the electrode arrangement is provided for a single first solder bump which is larger than second solder bumps for the electrodes arranged other than the corner portions. Also, the group of electrodes includes electrodes having a substantially same potential level when the circuit operates.

A method of assembling chips. A first chip and a second chip are provided. At least one conductive pillar is formed on the first chip, and a conductive connecting material is formed on the conductive pillar. The second chip also comprises at least one conductive pillar. The first chip is connected to the second chip via the conductive pillars and the conductive connecting material.

A tube coupling includes a body (1) to receive a tube (22). The body has lateral recesses (12) extending outwardly from an internal wall. An O-ring (3) is retained by the body distally of the recesses. A collet (5) includes a ring (6) and collet legs (7) to be received in the lateral recesses and having a tooth (8) facing the passageway. Proximal movement of the collet with respect to the body causes the fingers to deflect inwardly. A tube support (10) includes a ring (12) and has a key to align with the body. Castellations (13, 14) extend proximately from the tube support ring and are complementary to the collet legs to align the collet with respect to the body as the collet is inserted into the body.

A backlight assembly includes a first light-emitting module, a light guide plate, a receiving container and a main adhesion member. The first light-emitting module includes a first circuit board including a first mounting surface, and a first light source on the first mounting surface. The light guide plate is on the first mounting surface and guides light from the first light source. The receiving container includes a bottom portion and receives the first light-emitting module and the light guide plate. The main adhesion member is between the first mounting surface and the light guide plate and is attached to the first circuit board and the light guide plate, and is between the light guide plate and the bottom portion and movable with respect to the light guide plate.

The invention provides an assembly device for an engine turbine. The assembly device comprises a cylinder body, a bracket disk, a positioning ring and an annular plate, wherein the cylinder body is mounted on a turbine rotor shaft through two bearing devices and can rotate relative to the rotor shaft; the bracket disk is perpendicular to the cylinder body and is fixedly arranged on the cylinder body which is close to one end of the turbine rotor; the positioning ring and the cylinder body are coaxially and fixedly arranged on the bracket disk, and the inner diameter of the positioning ring is used as a mounting radial location reference of a guider; the annular plate is positioned at the outer end of the positioning ring, and the end surface, which is butted to a case of the guider, of the annular plate is used as a mounting axial positioning base of the guider. The cylinder body is mounted on the rotor shaft through the two bearing devices, wherein one bearing device which is close to one end of the turbine rotor is provided with a radial fine tuning structure, and the other bearing device is provided with an axial fine tuning structure; the bracket disk is provided with measuring holes for measuring the distances between front edges of blades. Through the adoption of the assembly device, the precise adjustment of the axial position relation and the radial position relation of a turbine rotor and the guider can be realized, and the assembly of the turbine belt guider and the level by level dynamic equilibrium of the turbine belt guider are realized, so that the assembly precision and the assembly reliability of the turbine belt guider are improved.

A twist-tie catch twister apparatus is taught that consists of dual feed rollers that feed twist-tie material through a back opening in a catch twister into the groove of a peripheral ring, which continues around the ring penetrating the front side of the catch twister through a second opening. The twist-tie material is then retained by a twist-tie clamp and the rollers reverse rotation drawing the twist-tie material onto a workpiece. The catch twist motor rotates the catch twister one half turn twisting to hold tension on the workpiece. A twist-tie cutter, positioned between the feed rollers and split ring, severs the twist-tie material and the twist-tie tape clamp opens with the motor rotating the catch twister a predetermined number of turns and then reverses at least one half turn to release the twisted material and the split ring opens for removal of the twist-tie secured workpiece.

Provided is a camera module using a PCB with a step portion. The camera module includes a PCB, a housing, and a lens barrel. The PCB includes a substrate main body, a plurality of pads, and a step portion. The substrate main body is formed of a stacked structure with the shape of a rectangular plate. The pads is formed on both sides of the top of the substrate main body and is electrically connected through wires to an image sensor mounted on a central portion of the top of the substrate main body. The step portion is formed at the peripheral edges of the pads. The housing has a bottom peripheral portion that is closely attached to the step portion of the PCB. The lens barrel is installed vertically in an upper region of the housing. Accordingly, it is possible to enhance the quality of image taken by the image sensor. In addition, the contact area between the housing and the PCB is increased to make it possible to enhance the assembly reliability of the camera module.

The invention discloses a chip heat radiation assembly and a chip circuit board thereof. The heat radiation assembly comprises a base (1), heat radiation fins (2), springs (3), adjusting rod assemblies (4) and locking screws (5). The upper surface (104) of the base (1) is provided with circular holes (102) and special-shaped through holes (101), wherein the depths of the circular holes (102) are smaller than the thickness of the base (1). The lower surface (105) of the base is provided with a base boss (103) for installing a chip. Each adjusting rod assembly (4) comprises a support bar (401) and an adjusting nut (403), the support bar (401) is composed of a polished rod (406) and a threaded rod (402), the adjusting nut (403) is internally provided with a threaded through hole (405), and the threaded rod (402) is provided with external threads screwed with an inner threaded hole (404). The height of each adjusting nut (403) is smaller than the sum of heights of the chip and the base boss (103), and the locking screws (5) are screwed into the threaded through holes (405). The invention can improve the heat radiation effect and the assembly reliability.

A catalytic converter fastening is provided for a combustion engine. The catalytic converter fastening includes, but is not limited to an engine block bracket that is releasably connected to an engine block. The engine block bracket fixes the catalytic converter at a distance to the engine block. A catalytic converter support is materially connected to the catalytic converter, and connecting elements releasably connect the engine block bracket to the engine block. The catalytic converter support comprises at least one arm angled-off towards the engine block bracket, while on the arm at least one angled-off strap is arranged. The strap is materially connected to a catalytic converter housing. Here, the catalytic converter fastening of engine block bracket and catalytic converter support is of the unitary type.

The invention provides an automatic change-over switch with disengaging and engaging functions. The automatic change-over switch with the disengaging and engaging functions comprises two actuation switches fixed to a bottom plate, two push rods, a transmission mechanism, a controller and an engaging and disengaging mechanism. The transmission mechanism comprises a motor, a reduction box, a horizontal bevel gear fixedly installed on an output shaft, two vertical bevel gears and two rocker arms, wherein the two vertical bevel gears are respectively in transmission with the horizontal bevel gear and are installed on the same horizontal axis through the corresponding horizontal shaft supporting mechanisms, and the two rocker arms are connected with the push rods through a link mechanism and are in linkage with the push rods. The reduction box comprises a planet gear set and a plurality of gear pairs. The engaging and disengaging mechanism is provided with a planet gear ring selective locking structure used for the planet gear set of the reduction box. The planet gear ring selective locking structure comprises an electromagnetic driving device, an ejector rod capable of moving in straight lines, and a boss arranged on the outer circle of each planet gear ring. The ejector rod interferes with the boss only when being electrically driven and enables the planet gear rings to be locked, the planet gear rings can rotate freely under manual operation, and disengaging and engaging of the transmission mechanism and the motor under the manual operation are achieved. The structure is simplified, and assembling efficiency and reliability are high.

The invention provides a low-frequency longitudinal vibration transducer used for oil well sound wave communication and a manufacturing method thereof. The low-frequency longitudinal vibration transducer comprises a radiation head (1) and at least two crystal stack modules (14). Each crystal stack module is formed by piling piezoelectric crystal plates and metals alternately. Every two adjacent crystal stack modules (14) are connected end to end and generate longitudinal vibration low-frequency sound waves after being connected with the positive pole and the negative pole of a power source. The radiation head (1) is fixed to the front end of the longitudinal vibration transducer and used for outputting the low-frequency sound waves generated through the crystal stack modules (14). According to the low-frequency longitudinal vibration transducer, the piezoelectric crystal plates and the metals are piled alternately, and thus radiating can be conducted effectively; and meanwhile, through the modular design, the operation simplicity and convenience and assembling reliability are greatly improved, and the problems of difficult machining and assembling and liable fracture during application caused by simplex long and thin prestressed screws are effectively solved.

A vehicular lamp includes a reflective housing having a first recessed portion with a reflective surface. An outer housing made of heat dissipating material is fixed to the reflective housing and includes a plurality of fins on an outer surface thereof. The outer housing further includes a second recessed portion receiving the reflective housing. A receiving portion is provided behind the second recessed portion and receives a circuit board. A heat conductive seat made of heat dissipating material includes a connecting plate fixed to the outer housing. An extension extends from the connecting plate to a central, front portion of the reflective housing. The LED light module is mounted to the extension and electrically connected to the circuit board. A light-transmitting cover is mounted to and covers openings of the reflective housing and the outer housing.

A miniature speaker includes a frame; a vibration system including a diaphragm and a voice coil driving the diaphragm. The diaphragm includes a first fixation part located on a middle position of the diaphragm, a second fixation part located on an edge of the diaphragm and connected fixedly on the frame, and a vibration part connected between the first fixation part and the second fixation part. A magnetic circuit system includes a lower plate and a magnet part on the lower plate. A cover plate includes a bottom wall, and a side wall connected with the second fixation part. A gasket is located between and abuts against the bottom wall and the first fixation part. The gasket, the first fixation part and the magnet part are sandwiched firmly between the bottom wall and the lower plate.