454results about How to "Improve assembly yield" patented technology

A semiconductor assembly includes a semiconductor device, a through-via interposer, a coreless substrate and a stiffener. The semiconductor device is flip mounted on the interposer, and the interposer is affixed on the coreless substrate by adhesive and extends into an aperture of a stiffener which provides mechanical support for the coreless substrate. The electrically connection between the interposer and the coreless substrate includes bond wire and conductive micro-via. The coreless substrate can provide fan-out routing for the interposer.

The present disclosure provides an ancillary fixture for assembling a touch display and the method for using the same. The ancillary fixture comprises a first carrying member, a second carrying member, a support structure, a first positioning mechanism, and a second positioning mechanism. The first carrying member and the second carrying member are pivoted at the support structure. The first carrying member has a first carrying surface. The second carrying member has a second carrying surface opposing to the first carrying surface. The first carrying surface and the second carrying surface are used for carrying at least one component of the touch display, respectively. The first positioning mechanism and the second positioning mechanism are used for adjusting the inclination angle of the first carrying member and the second carrying member with respect to the support structure, respectively, to finish assembling the touch display.

The present invention relates to a slotless winding for a rotating electric machine and a manufacturing method thereof. The slotless winding includes at least one flexible printed circuit board having at least one circuit, and one piece of flexible printed circuit board(s) is curved or a plurality of pieces of flexible printed circuit board(s) is mutually combined to form a barrel shape, thereby simplifying the procedure of manufacturing the slotless winding, improving production speed and reliability, and enabling diversified designing schemes to meet the demands of the rotating electric machine. In addition, it is not necessary for the coil winding to be cured for assembling, and assembling yield is thus enhanced.

Disclosed is an automatic assembling machine for assembling a vehicle-mounted encoder. The automatic assembling machine comprises a rotating table assembly, a cam indexer assembly, a support feeding mechanism, a manual pendulum shaft core and shaft sleeve feeding mechanism, a first rotor feeding mechanism, a first drive plate feeding mechanism, a second rotor and second drive plate assembling mechanism, a manual pendulum body feeding mechanism, a riveting mechanism and a discharging mechanism, wherein the rotating table assembly, the cam indexer assembly, the support feeding mechanism, the manual pendulum shaft core and shaft sleeve feeding mechanism, the first rotor feeding mechanism, the first drive plate feeding mechanism, the second rotor and second drive plate assembling mechanism, the manual pendulum body feeding mechanism, the riveting mechanism and the discharging mechanism are arranged on the top of a machine box. The automatic assembling machine further comprises two shape trimming assemblies and a plurality of detection assemblies, wherein the shape trimming assemblies are used for shape trimming of supports. A plurality of station clamps are arranged on the circumferential edge of a rotating table of the rotating table assembly in an array mode. A rotating pendulum assembly is further arranged on the top of the machine box in a matched mode. The feeding mechanisms are matched with the movement of the rotating table assembly to conduct feeding in sequence, the riveting mechanism conducts riveting on parts of the encoder to form an encoder finished product, the discharging mechanism enables the encoder finished product to be discharged into a collecting box, the shape trimming assemblies conduct opening shape trimming and inward extrusion shape trimming on the supports, and the rotating pendulum assembly is used for transmitting a second rotor and second drive plate assembly assembled by the second rotor and second drive plate assembling mechanism to the matched station clamp.

The invention discloses an optical imaging lens, which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged from an object side to an image side. Through the concave and convex arrangements of the surfaces of the seven lenses, the overall length of the optical imaging lens is shortened, and the imaging quality and optical performances are also considered.

The invention provides an automatic assembling device, which is used for being matched with an assembly line to assemble accessories on workpieces. The automatic assembling device comprises a workbench, a loading module, a positioning module, a dispensing module, an assembly module, an electric control module and a detection module fixed on the workbench, wherein the loading module is used for conveying the workpieces to the positioning module; the positioning module, the dispensing module and the assembly module are fixed on the workbench separately; the positioning module is used for positioning the workpieces; the dispensing module is used for carrying out gluing treatment on the accessories; the assembly module is used for mounting the accessories subjected to gluing treatment to the workpieces and comprises a heating element; the heating element is used for carrying out preheating treatment on the accessories; and the detection module comprises two detectors, one detector is used for detecting the deviation when the accessories and the workpieces are assembled and aligned and feeding back the deviation to the assembly module to adjust the assembly positions, and the other detector is used for detecting the offset between the assembled accessories and the corresponding workpieces to screen out unqualified workpieces.

A chip package structure with a shielding cover includes a substrate, a chip, a pair of first passive components, a pair of second passive components, and a shielding cover. The chip, the pair of first passive components, the pair of second passive components, and the shielding cover are disposed on the substrate. The chip is electrically connected to the substrate. The shielding cover covers the chip and has leads connected to the substrate. The leads include a first lead and a second lead. The first lead connected to a portion of the substrate is located between the pair of first passive components and arranged along a first axis with the pair of first passive components. The second lead connected to a portion of the substrate is located between the pair of second passive components and arranged along a second axis with the pair of second passive components.

The invention provides an automatic motor stator end copper wire riveting and welding line. A motor stator end cover copper wire can be welded and detected through the riveting and welding line, the assembly efficiency and productivity of motor stators can be improved, and the assembly yield is greatly increased. The riveting and welding line comprises a rack, a runway type track structure is arranged on the rack and comprises two linear tracks in parallel and two arc tracks, and the heads and the tails of the two arc tracks are connected with corresponding sections of the linear tracks at the two ends of the corresponding sides to form the runway type track structure. A feeding station, a code scanning station, a front project height detecting station, a copper wire riveting station, a welding station, a height detecting station, a high-pressure detecting station and an OK product carrying station are sequentially arranged on the runway type track structure in the station direction, the copper wire riveting station comprises a copper wire pressing structure, riveting and carrying mechanical hands and a sweeping device, and shorn copper wires are swept by the sweeping device; the OK product carrying station comprises a carrying and clamping mechanism, an OK product sweeping device and an OK product conveying track.

A motion-detecting module with a built-in light source includes a chip unit, a cover unit, and a light-guiding unit. The chip unit has a PCB, a light-emitting chip, and an image-sensing chip. The light-emitting chip and the image-sensing chip are electrically disposed on the PCB. The cover unit is covered on the image-sensing chip, and the cover unit has a first opening for exposing the image-sensing chip. The light-guiding unit is disposed on a bottom side of the cover unit, and the light-guiding unit has a surface having a reflective layer thereon with a concave structure. The surface and the reflective layer are formed a reflective surface for reflecting and condensing beams generated from the light-emitting chip. Therefore, the beams are reflected via the reflective surface to form first beams, and the first beams are reflected via the object surface to form second beams that project onto the image-sensing chip.

A chip package structure and a manufacturing method thereof are provided. The chip package structure includes a substrate, a chip, a plurality of wires, a film layer, a carrier, and an encapsulant. The substrate has an upper surface and a lower surface. The chip is mounted on the upper surface of the substrate. The wires are electrically connected to the chip and the substrate respectively. The film layer is attached to the substrate and entirely encapsulates the chip and the wires. The carrier is adhered on the film layer. The encapsulant is disposed on the upper surface of the substrate, wherein the encapsulant has an electro-magnetic shielding filler. The encapsulant at least partially encapsulates the carrier and the film layer, and the encapsulant covers the chip and the wires.

An axial compliance mechanism of a scroll compressor is installed between a compressor housing and a scroll. The housing has a first shell and a second shell. The first shell defines a chamber and has a guiding part at one end of and in communication with the interior of the chamber. The scroll has a fixed scroll member and an orbiting scroll member. A plurality of compression pockets is formed between these two scroll members. A rear surface of the fixed scroll member has a protrusion matching the guiding part of the first shell and a venting hole in communication with the compression chambers. A sealing device is installed between the guiding part and the protrusion, and a negative pressure chamber is formed. Thereby, the working fluid is guided into the negative pressure chamber during operation, so as to provide a tight attachment between the fixed scroll member and the orbiting scroll member, such that the volume efficiency of the compressor is enhanced.

The invention provides an optical imaging lens, which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens sequentially from the object side to the image side and satisfies the following relational expressions: 1<=EFL/TTL and TTL<=18mm. By controlling the arrangement of the concave and convex surfaces of the lenses and using at least one relational expression to control relevant parameters, the length of the optical imaging lens is shortened under the condition of maintaining good optical performance. The optical imaging lens of the invention is used in optical imaging.

The invention relates to the field of an optical film for a backlight module, in particular to an optical composite film and a preparation method thereof. In order to solve the problem that an existing composite film cannot realize luminance gain, covering performance and interference relieving at the same time, the invention provides the optical composite film and the preparation method thereof.The optical composite film comprises a first layer of optical film and a second layer of optical film, wherein the first layer of optical film is arranged above the second layer of optical film; the first layer of optical film and the second layer of optical film are bonded together through an attaching layer; the first layer of optical film sequentially comprises a micro lens structure layer anda first layer of substrate layer; and the second layer of optical film sequentially comprises a prism layer, a second layer of substrate layer and a back coating layer. The optical composite film provided by the invention has the advantages that the luminance gain effect can be improved; a good covering effect is achieved; and meanwhile, excellent interference relieving performance is realized. Byusing the preparation method of a micro lens film provided by the invention, the production cost of the micro lens structure is greatly reduced.

The invention belongs to the technical field of liquid crystal display optical modules, and discloses a novel multifunctional optical composite membrane which is composed of a lower layer, a middle layer and an upper layer. The lower layer is a brightening membrane or diffusing membrane, the middle layer is one or two overlapped brightening membranes, and the upper layer is a diffusing membrane ormicro-lens membrane. The lower layer, the middle layer and the upper layer are combined through adhesives. The total thickness of the optical composite membrane can be reduced by 40% or above, and acorresponding backlight module is lighter and thinner; cost is reduced by 10% or above; when the backlight module is assembled, only one-time operation needs to be conducted on the combined optical membrane, and the assembling efficiency is effectively improved; the stiffness of the membrane is effectively improved, the warping property of the membrane can be improved, and the assembling yield isimproved.

A system and method are provided for repairing an emissive element display. If a defective emissive element is detected in a subpixel, a subpixel repair interface isolates the defective emissive element. The repair interface may be a parallel repair interface with n number of selectively fusible electrically conductive repair nodes, connected in parallel to a control line of the matrix. Alternatively, the repair interface may be a series repair interface with m number of repair nodes, selectively connectable to bypass adjacent (defective) series-connected emissive elements. If the subpixel emissive elements are connected in parallel, and a defective low impedance emissive element is detected, a parallel repair interface fuses open a connection between the defective emissive element and a matrix control line. If the subpixels include series-connected emissive elements, and a high impedance emissive element is detected, a series repair interface forms a connection bypassing the defective emissive element.

A lens module includes a base to be fixed, a second elastic sheet fixed in the base, a lens sleeve sliding according to the base, a limiting member installed on the lens sleeve, a first elastic sheet, and an upper cover. The lens module includes a covering board with a central hole installed between the second elastic sheet and the lens sleeve. The diameter of the central hole is greater than the outer diameter of the lens sleeve. The covering board is connected to the base to fix the second elastic sheet on the base. Because the covering board to connect to the base, the second elastic sheet can be fixed on the base for decreasing time-consumption, reliable fixation, and decreasing the rate which the second elastic sheet rotates and is deformed.

A lens assembly system comprises a holder, a lens assembly fixture on the holder, an elastic element and a push rod. The lens assembly fixture comprises a first shell, a second shell connected with the first shell and a post rod sleeved on the second shell. The first shell is used to contain the drawtube of the lens module. A through hole is provided at one end of the second shell. The post rod is contained with the through hole to push an optical element contained in the second shell out of the second shell and connected with the holder. The push rod is coaxially arranged towards one end of the first shell in interval. The lens assembly system and the assembly fixture make the lens not been sloped so as to improve the nondefective assembly rate. The invention also relates to a assembly method of the lens assembly system.

The invention relates to a dispensing fixture which is used for positioning a lens module to be dispensed. The dispensing fixture comprises a tray, a cover body, an L-shaped block and a pushing block. The tray is internally provided with a depression for containing the lens module. The cover body is provided with a through hole which is corresponding to the depression, and the cover body is matched with the tray to fix the lens module. The block is used for positioning the tray and the cover body. The pushing block is used for resisting the adjacent two sides of the tray and the cover body at the block for fixation. The dispensing fixture of the invention has simple structure, the pushing block can be matched with the block for positioning the tray and the cover body, thus accurately positioning the lens module and further improving the dispensing accuracy and the assembly yield.

The invention relates to a voice coil motor, which comprises a lens cylinder, a magnet, at least one spring plate and a printed circuit board process coil, wherein the lens cylinder is provided with a lateral wall and a first accommodating cavity for accommodating a lens; the magnet surrounds the lateral wall and is separated from the lateral wall; the at least one spring plate is connected with the lens cylinder; and the printed circuit board process coil is fixed on the lateral wall and is opposite to the magnet. The printed circuit board process coil generates a magnetic field force with the magnet after being electrified, to drive the lens cylinder to move along the axis. The at least one spring plate generates deformation when the lens cylinder moves, and applies a restoring force to the lens cylinder, so that the lens cylinder moves to a preset position from an initial position under the actions of the magnetic field force and the restoring force, is then still and restores to the initial position after the current of the printed circuit board process coil is powered off. The voice coil motor is convenient to assemble.