99results about How to "Improve rework efficiency" patented technology

The technical scheme of the invention comprises a two-dimensional code device management system, To implement: the device information is stored and analyzed by the background server, a corresponding two-dimensional code is generated to be bound with the corresponding device, a staff member scans the two-dimensional code displayed on the device with the mobile terminal with the mobile terminal APP,obtains the decrypted two-dimensional code information through a decryption module, and performs data exchange with a background server. The invention has the advantages that: by scanning the two-dimensional code corresponding to the device, the related information of the device can be inquired, and can directly carry out fault warranty and other operations through APP, The background server monitors the equipments in real time, which can quickly check the equipments to locate the equipments problems accurately and quickly, speed up the repairing efficiency, improve the equipment utilizationrate, register safely, check quickly, speed up the repairing efficiency, improve the equipment utilization rate, improve the enterprise management efficiency, save a lot of manpower and material resources, and realize the paperless equipment management.

The invention discloses a method for removing residual solder tin from a soldering-pan during the repair and replacement of a ball grid array (BGA) chip. The method comprises the following steps of: (a) well regulating a soldering temperature curve, and fixing a BGA mainboard to be repaired on a BGA repair station; (b) soldering a poor BGA chip, and taking the poor BGA chip down; (c) taking the BGA mainboard down, and sucking the residual solder tin from the soldering-pan by using a soldering wick and soldering iron; (d) cleaning the soldering-pan; (e) uniformly smearing a layer of flux paste on the soldering-pan, and placing a new BGA chip in a corresponding silk-screen printing frame wire; (f) fixing the BGA mainboard on the BGA repair station, and starting soldering the new BGA chip; and (g) after the soldering is finished, taking the BGA mainboard down. According to the method for removing the residual solder tin from the soldering-pan during the repair and replacement of the BGA chip, the residual solder tin can be effectively removed from the soldering-pan, the repair efficiency of the BGA chip is greatly improved, and the yield is also greatly improved.

The invention provides an anti-theft system initialization method, equipment and anti-theft ECUs. Before the anti-theft matching is performed for the anti-theft ECUs, matching states of the anti-theft ECUs are judged; the anti-theft ECUs after the anti-theft matching or from bad sources are separated out, and the blank anti-theft ECUs without performing the anti-theft matching are matched to generate and write in anti-theft codes so as to prevent wrong learning and wrong matching of keys due to repeated matching of the anti-theft ECUs. Before the key learning is performed, the anti-theft states of the anti-theft ECUs are judged again, and the anti-theft ECUs unsuccessful in anti-theft matching or having faults in the matching are separated out, so that part waste caused by incapability of use and recovery after the key learning can be prevented effectively. The whole anti-theft and key learning process is monitored, and error and failure factors generated in the anti-theft initialization process are recorded and output to provide reliable basis for repair, so that the repair efficiency and the success rate are improved.

The invention discloses a radio frequency coaxial connector. The radio frequency coaxial connector comprises a radio frequency coaxial connector body and air cavity structures for impedance matching required when the radio frequency coaxial connector body is transited to a microstrip line, and the air cavity structures which are generally designed and processed in connector mounting holes are directly designed at the end part of the end, connected with the microstrip line, of the radio frequency coaxial connector body. Compared with the prior art, the radio frequency coaxial connector has the advantages that quantitative measurement of standing waves after impedance matching between the radio frequency coaxial connector body and the air cavities can be realized, the machining difficulty of millimeter waveband connector mounting holes is particularly reduced, and deterioration of the standing waves, caused by tolerance accumulation of the mounting holes and the radio frequency coaxial connector body, is avoided; the welding difficulty of the radio frequency coaxial connector body and the mounting holes is greatly lowered, and deterioration of the standing waves, caused by mismatching of the air cavity structures due to welding of the radio frequency coaxial connector body, is also avoided; the standing wave performance after installation of the radio frequency coaxial connector body is guaranteed, and the radio frequency coaxial connector is particularly suitable for transmitting such high-frequency signals as millimeter waves.

The invention relates to a production line for a diesel engine, in particular to the production line for cold test of the diesel engine and belongs to the field of the diesel engine production technology. The production line comprises a first rotary table and a second rotary table, wherein a cold test conveying line body is arranged between the first rotary table and the second rotary table, a first repair section line body is arranged on other side of the first rotary table and opposite to the side where the cold test conveying line body is positioned, and a second repair section line body is arranged on other side of the second rotary table and opposite to the side where the cold test conveying line body is positioned. A last process conveying line body is arranged on one side of the first rotary table, and a first front transitional machine and a first cold test rack are arranged on the other side of the first rotary table. A next process conveying line body is arranged on one side of the second rotary table, and a second front transitional machine and a second cold test rack are arranged on the other side of the second rotary table. By means of the production line, online cold test can be performed during assembly of the diesel engine, repair is facilitated, and the production line is reasonable in integral layout, attractive and capable of facilitating production organization and logistics arrangement.

The invention discloses a rework method for a dual damascene through-hole technology. The method comprises the following steps that 1, a through hole of the damascene runs through a first low K dielectric layer, a second DARC layer is formed on the first low K dielectric layer, and a graphical third metal hard mask layer is formed on the surface of the second DARC layer; the second DARC layer withthe third metal hard mask layer is coated with a coating-based three-layer structure which is formed by overlaying an ODL layer, an SHB layer and a PR layer and used for defining the through hole; 2,lithography development of the through hole is performed; 3, detection is preformed after development is performed, after development is performed, when detection is out of the range, the rework technology of removing the three-layer structure is performed; in the rework technology, the PR layer, the SHB layer and the ODL layer are removed by adopting a dry etching technology and sequentially removed in the same dry etching equipment. Accordingly, the steps of the rework technology can be reduced, and the rework efficiency and quality are improved.

The invention provides a thermosetting liquid optical adhesive composition and an application thereof; the thermosetting liquid optical adhesive composition is tested according to a GB/T 4509-2010 asphalt needle penetration determination method, and the needle penetration of the thermosetting liquid optical adhesive composition is 160-250 mm. The thermosetting liquid optical adhesive provided by the invention has proper needle penetration after being cured, is easy to repair, does not greatly fluctuate along with the influence of temperature, humidity, UV aging irradiation and the like, and has higher cohesion strength, better binding power and excellent binding power for a binding material of a display module.

The invention provides a mobile terminal. The mobile terminal comprises a display module, a middle frame connected with the display module through an adhesive, a groove formed along an adhesive dispensing path, and a heating structure which is arranged in the groove and makes contact with the adhesive. When the display module and the middle frame need to be disassembled, the adhesive is uniformlymelted by activating the heating structure, accordingly, disassembling of the display module is achieved easily, and the repair efficiency and repair quality of the mobile terminal are improved.

The invention is concerned with the reworking method for image inducting module, including the following steps: 1) removes the clamp to separate the camera lens module group of the camera module group and PCB board fixing with the camera wafer; 2) fixes the PCB on the clamp and emerges the wafer; 3) blows the dust on the wafer inducting area by the blowing equipment; 4) sets the camera lens on the PCB board. The invention can improve the reworking effect efficiently, and reduce the eye tire of the operator.

The invention relates to a method for positioning a mold line sample plate with a positioning hole in a repairing process. The method comprises the steps that 1) the mold line sample plate is leveled; 2) a laser cutting program A is programmed; 3) a laser cutting program B is programmed; 4) the height of a laser head of a laser cutter is heightened, the laser cutter runs the laser cutting program A in an idling mode, when the laser head is positioned at a first positioning hole, the laser cutter is stopped, and a first positioning steel plate is put down and fixed; then the laser cutter runs in the idling mode continuously, when the laser head is positioned at a second positioning hole, the laser cutter is stopped, and a second positioning steel plate is put down and fixed; 5) the height of the laser head of the laser cutter is realigned; 6) and the laser cutter runs the laser cutting program B to machine the repaired part of the mold line sample plate. According to the method, the positioning holes in the mold line sample plate are utilized, the laser cutter can locate the accurate position of the mold line sample plate and carries out laser cutting on the repaired part, so that the machining accuracy is improved, and the working efficiency of sample plate repairing is also improved.

The invention provides a photovoltaic cell string reworking device. The device includes a desoldering device and a working platform; the desoldering device includes a cutting wire; the working platform is used for placing a photovoltaic cell string and is provided with a wire moving gap; and the cutting wire and the wire moving gap are in matching arrangement. The welding part of an undesirable cell sheet is placed along the wire moving gap, so that the undesirable cell sheet can be dismounted from the cell string with the movement of the cutting wire; and the device is fast and convenient, and is reliable in reworking qualities, and therefore, reworking efficiency can be greatly enhanced.

The invention relates to a non-principle test device for general digital plug-ins, comprising a test control computer, a function test branch computer and a boundary scanning test branch computer which are arranged in an integrated test cabinet. The power input ends of the test control computer, the function test branch computer and the boundary scanning test branch computer are connected with a 220 mains supply through power lines. The test control computer is connected with the boundary scanning test branch computer through a USB cable, and the test control computer is connected with the function test branch computer through a network cable. The test control computer and the boundary scanning test branch computer communicate in a two-way mode, and the test control computer and the function test branch computer communicate in a two-way mode. The invention further discloses a test method of the non-principle test device for general digital plug-ins. The fault detection rate and fault isolation rate of digital plug-in boards are improved, the technical requirement for maintenance technicians is lowered, and the efficiency of digital plug-in test and repair is improved. The non-principle test device can assist in testing and debugging digital plug-ins in radar products, and especially, a testing and debugging platform is provided for separate plug-ins unable to build a whole system.

The invention relates to a mainboard repairing method. The mainboard repairing method comprises the following steps: S1, acquiring position data of a to-be-repaired device on a mainboard; S2, identifying the mainboard, and obtaining the position of the to-be-repaired device on the mainboard according to the position data; S3, enabling a light hole of a desoldering suction nozzle to adsorb the to-be-repaired device, and enabling a material stirring table of the desoldering suction nozzle to apply an abutting force to the side face of the to-be-repaired device; S4, enabling a laser beam to passthrough the light hole to heat a bonding pad of the to-be-repaired device until the bonding pad is molten, and enabling the desoldering suction nozzle to push the to-be-repaired device to move laterally until the to-be-repaired device is dismounted; S5, enabling the desoldering suction nozzle to suck the normal device to be attached to the desoldering position, and pressing the normal device; S6,enabling the laser beam to pass through the light hole to heat the bonding pad to weld the normal device to the mainboard. When the repair technology is used for repairing damaged lamp beads or Mini IC chips on the Mini LED backlight mainboard to wait for repair devices, the repair efficiency is high, the precision is high, the adaptability to small and micro devices is good, the heat influence issmall, no damage is caused to a repair target, and the high yield of products is ensured.

A rework soldering jig is used for heating a surface mounted slot. The rework soldering jig includes a body and an assembly frame. The assembly frame is detachably disposed on the body. The body and the assembly frame together wrap the surface mounted slot. Since the rework soldering jig has the detachable assembly frame, a size thereof can be adjusted according to different forms of slots.

The invention discloses an automatic system for friction stir welding internal defect on-line detection, which comprises a mechanical scanning motion subsystem, a phased array ultrasonic instrument, an electric control subsystem and a control unit, and is characterized in that the mechanical scanning motion subsystem is used for realizing movement of a phased array probe along a welding seam and clamping and coupling of the probe; the phased array ultrasonic instrument is used for acquiring and processing ultrasonic data, and the control unit is used for performing data communication, instruction issuing and defect image processing with the phased array ultrasonic instrument and the electric control subsystem by taking Ethernet as a medium based on an industrial personal computer; and the electric control subsystem receives an instruction of the control unit to drive the mechanical scanning motion subsystem to drive the probe to realize full-automatic scanning detection on the friction stir welding seam of the cylindrical or conical workpiece. The system has the advantages of high automation degree, visual imaging, high detection efficiency and capability of automatically identifying, counting and analyzing defects.

The invention provides a vehicle anti-theft matching method and system. According to the vehicle anti-theft matching method and system of the invention, the anti-theft states of PEPSs and ESCLs are judged; PEPSs and ESCLs which are subjected to anti-theft matching and have poor incoming parts are screened out, so that it is guaranteed that anti-theft matching equipment only carries out anti-theftmatching on blank PEPSs and ESCLs. The situation that repeated matching generates a plurality of anti-theft codes can be effectively prevented; the anti-theft matching errors of the PEPSs and ESCLs and key mismatching anti-theft codes are avoided. Besides, a detection result is output, so that an operator can visually see the reason why an anti-theft matching process is interrupted according to anoutput report, and therefore, the anti-theft repair efficiency and success rate of a vehicle are improved.

The invention discloses a clothing hanging system and a rework control method thereof, and belongs to the technical field of clothing hanging systems. The rework control method of the clothing hangingsystem includes the steps that when a quality inspection workstation or a general workstation inspects that a product is unqualified, a carrier carrying the unqualified product is changed into a rework state, and a rework mode, a rework process and rework content are selected according rework reason; a corresponding workstation receives the carrier and recognizes the rework status of the carrier,and reworking is performed according to the rework content; and when the rework process is over, the quality inspection workstation or the general workstation that inspects the product inspects the product again, and if the inspection is qualified, the carrier is changed into a normal state. The efficiency of the rework process in a clothing assembly linen can be effectively improved, and the workload of staff is reduced.