111results about "Circuit inspection/monitoring/aligning" patented technology

The invention relates to a novel multifunctional PCB production automation system, comprising an automatic feeding system, a fully-automatic two-dimensional code sticking system, a height measuring system, an automatic adhesive dispensing curing system, an online automatic board-splitting cutting system, and a finished product sorting recovery system. The input ends and output ends of the above systems are connected in sequence. Control centers disposed on the above systems are connected with each other. The input end of the automatic feeding system is also provided with a large PCB feeding device. The large PCB feeding device is connected with the control center of the automatic feeding system. Thus, two-dimensional code marking on each PCB unit on a large PCB can be automatically completed, and good product detection, and cutting of the large PCBs can be automatically completed. The system can automatically complete finished products of PCB units, and the system is powerful in functions, high in automation degree, high in production efficiency, low in labor intensity, low in production cost, and high in qualified rate, and has assurance in product quality. A reversed design is used, thereby effectively preventing dusts generated in a cutting process from falling on the PCB, so the finished products are clean.

The invention discloses a novel PCB linear expansion control method. The method comprises the steps of engineering design: manufacturing engineering data according to the drawing requirements of a customer, finding out the historical expansion values of a PCB coincident with the information comparison principle out of the engineering data based on the information comparison principle by using an established expansion database according to customer data, and applying the expansion values to the manufacturing engineering data of existing PCB manufacture and design; PCB manufacture: manufacturing PCBs according to the engineering data obtained through the engineering manufacturing and designing process, collecting the workstation data information and the expansion values of currently manufactured PCBs, and storing the workstation data information, the expansion values, the design information and the material information of currently manufactured PCBs in an expansion database, wherein the workstation data information, the expansion values, the design information and the material information of currently manufactured PCBs are adopted as a reference for the subsequent design and comparison of PCBs; detection: detecting manufactured PCBs, judging whether the finished products of PCBs are qualified or not, and performing the batch manufacture of PCBs on the condition that the finished products of PCBs are qualified. According to the technical scheme of the invention, the expansion of PCB core boards can be prevented in advance and controlled. Therefore, a large amount of template production cost is saved and the production efficiency is improved.

The invention provides an inspection device and inspection method for efficiently inspecting an object to be inspected, such as an printed circuit board, etc. The printed circuit board moves from a move-in unit (10) to an inspection unit (30), performs orderly shooting, turning for upper surface, shooting for lower surface, then moves to a move-out unit (20). The printed circuit board moves between the move-in unit (10), the inspection unit (30) and the move-out unit (20), by using two arms (720, 740) configured to be a right angle, simultaneously the printed circuit board moves from the move-in unit (10) to the inspection unit (30), and from the inspection unit (30) to the move-out unit (20). Groove, formed on a carrier (340) for carrying the printed circuit board in the inspection unit (30), is used for inserting a finger part (510) for turning the printed circuit board, therefore the printed circuit board is lifted from the carrier (340) or carried on the carrier (340) by the movement of the finger part (510) in the groove.

Disclosed are a PCB processing method and a PCB. The method comprises: conducting lamination processing on various layers of PCB sub-boards respectively forming a PCB according to PCB design requirements, and conducting hole drilling and electroplating on the PCB sub-boards of the uppermost layer of the PCB to form a via hole; and laminating the various layers of PCB sub-boards together to form the PCB, the via hole forming a blind hole used for installing a connector, and conducting hole drilling and electroplating on the formed PCB to form a through hole used for installing the connector, wherein the depth of the blind hole is greater than or equal to the length of a signal pin of the connector. By means of the technical solution of the present invention, the spacing between wafers among the lower layers of the PCBs can be doubled, so that the line outlet space between the wafers can be doubled.

A component mounting method is provided in a component mounting apparatus that mounts a component onto a board using a plurality of pieces of production data linked to component data. The method includes executing, when the component data is changed, a simulation of a production cycle time based on the production data, and making an improvement plan for the production cycle time as a target based on a simulation result after change of the component data, and outputting the improvement plan.

The invention provides a method and a system for automatically extracting and reviewing PCB engineering associated problems. The method comprises: obtaining the PCB engineering files and extracting the Gerber file and the manufacturing specification file; decoding the Gerber file; analyzing and recognizing the special techniques; obtaining the engineering parameters; comparing the special techniques and the engineering parameters with the preset production rule parameters and outputting the first prompting message when the comparison result is an abnormal one; recognizing the manufacturing specification file; utilizing the preset industrial rule describing base to extract the engineering reviewing items and reviewing the engineering reviewing items; outputting the second prompting message when the result is an abnormal one; integrating the first prompting message and the second prompting message so as to generate an engineering problem list and automatically transmitting the engineering problem list. According to the method for automatically extracting and reviewing PCB engineering associated problems, it is possible to automatically extract and review the PCB engineering files so as to reduce the PCB check time and to increase the working efficiency.

An approach is provided in which a pH-indicating compound is incorporated in a printed circuit board. The printed circuit board includes a number of layers with the pH-sensitive indicator being incorporated in one of the layers. Conductive pathways are formed from a conductive sheet laminated onto an outer surface of the printed circuit board. The printed circuit board is exposed to a pH-activating solution. Plated-through hole defects in the printed circuit board are identified by detecting a color formation at a surface location of the printed circuit board that corresponds to the plated-through hole defect. Another approach is also provided where a pH-activating compound is incorporated in one of the layers of the printed circuit board which is then exposed to a pH-indicating solution to produce the color formation that identifies the location of the plated-through hole defect.

The present disclosure relates to extremely high frequency (“EHF”) systems and methods for the use thereof, and more particularly to board-to-board connections using contactless connectors.

The present invention discloses a manufacturing method for a circuit board capable of detecting an inner-layer hole ring and relates to the technical field of production of circuit boards. The manufacturing method comprises: providing a secondary board for pressing and manufacturing the circuit board, wherein the secondary board comprises a PCB unit and a technical edge; manufacturing a circuit pattern in the PCB unit of each secondary board; meanwhile, etching at least two windows at a corresponding position on the technical edge of each secondary board, wherein the diameter of each window is 0.05mm smaller than the outer diameter of a smallest hole ring designed in the PCB unit; pressing each secondary board into the circuit board; drilling a borehole in the PCB unit and drilling an auxiliary hole at the central position of the window on the surface of the technical edge; manufacturing the borehole and the auxiliary hole in the PCB unit into metallized holes; and manufacturing a short-circuit test point of the auxiliary hole. The detection method provided by the present invention can ensure that the inner-layer hole ring of the manufactured circuit board has the diameter that is more than or equal to 0.025mm and meets IPC3 stage standard, is applicable to the circuit board that is particularly indicated that the diameter of the hole ring is required to be controlled to be more than or equal to 0.025mm, so as to effectively avoid complaints resulting from the defect of the inner-layer hole ring and the risk of the whole batch being returned and scrapped due to failure in a sample test.

The invention relates to a monitoring method for aligning degree of laser drilling. The monitoring method comprises the following steps of (1) according to the size of laser drilling Target Pad Ring, calculating the monitoring size of the aligning degree, wherein the calculation formula is monitoring of aligning degree=(Target Pad Ring-Target layer compensation)/0.5; (2) testing method: after the monitoring value of the aligning degree of the laser drilling is calculated, arranging a testing needle under an electric measuring jig to the corresponding Pad; (3) judging method: if OPEN is tested out, the aligning degree is OK; if SHORT is tested out, the aligning degree is NG. The monitoring method has the advantage that the abnormal deviation of laser drilling is efficiently and accurately verified.

A circuit board structure with chips embedded therein includes a multi-layer board and a power module embedded in the multi-layer board. The power module includes an insulating material, a power unit covered by the insulating material, and a circuit layer disposed on the insulating material. The power unit includes an electrically and thermally conductive carrier and a plurality of power chips. The electrically and thermally conductive carrier includes a transmitting portion and a carrying portion perpendicularly connected to the transmitting portion. Each power chip has a first electrode layer and an opposite second electrode layer. The first electrode layers are fixed on and electrically connected to the carrying portion in parallel, and the power chips are disposed at one side of the transmitting portion. The circuit layer is electrically connected to the electrically and thermally conductive carrier and the second electrode layers.

The invention discloses a display module and a manufacturing method thereof. The display module comprises a main flexible circuit board, wherein the main flexible circuit board comprises a first binding terminal, a second binding terminal, a first test point and a second test point; the first test point is electrically connected with the first binding terminal, and the second test point is electrically connected with the second binding terminal; the auxiliary flexible circuit board comprises a third binding terminal and a fourth binding terminal, and the third binding terminal is electrically connected with the fourth binding terminal; and the first binding terminal and the third binding terminal are correspondingly arranged, and the second binding terminal and the fourth binding terminal are correspondingly arranged. According to the display module disclosed by the invention, the first test point and the second test point can be directly connected through the test circuit to realize parameter test of the flexible circuit board, and during test, a circuit on the flexible circuit board is not cut off, and damage to the flexible circuit board caused by cutting off the circuit can be avoided.

Four corners and the central part of a copper-coated double-side plate are provided with the dedicated testing groups and through hole groups, so as to prepare a PCB black hole quality testing board. The method comprises the steps: carrying out the black hole direct electroplating of the PCB black hole quality testing board, detecting a resistance value R1 between two testing bonding pads in each testing group and a resistance value R3 between circuit bonding pads at two ends of he through holes, and comparing the resistance values R1 and R3 with a preset surface black hole film resistance standard value R2 and a preset in-hole black hole film resistance standard value R4, thereby achieving the purpose of quick examination. Before the black hole direct electroplating of a PCB product, the PCB black hole quality testing board can be used for testing and inspection, so as to pre-judge the machining quality of the black-hole direct electroplated surface black hole film and in-hole black hole, provide reference for the early finding of technological defects and the adjustment of the technological parameters, and prevent poor quality from causing waste during the black-hole direct electroplating of the PCB product.

The invention belongs to a related field of electronic manufacturing technology, and particularly relates to a conformal manufacturing device and a method for a complex curved-surface electronic system, the system includes a support platform and a six-degree-of-freedom spherical motor linkage platform, a 3D measurement module, a laser lift-off module, a curved-surface transfer printing module and a conformal jet printing module respectively mounted on the support platform and independently controllable, and specific structures and work modes of these key components are improved. The invention further discloses a corresponding manufacturing method. Through the invention, multiple process flows required in conformal manufacturing process of the complex curved-surface electronic system are effectively integrated into an integrated device, so as to realize conformal hybrid manufacturing of the rigid/flexible curved-surface electronic system with arbitrary area, and the invention has advantages of high precision, high efficiency and high automation, which greatly broadens the application scope of the curved-surface electronic manufacturing technology.

The invention provides a PCB and an electronic device, wherein the PCB includes a test point and a connector. The connector is a device on the PCB and that can be connected with an external cable. The connector is connected to a component to be tested on the PCB. The test point is connected with the component to be tested through the connector. The test point matches a first test tool. The first test tool tests the component via the test point. According to the PCB and the electronic device provided by the invention, the test point is set on the existing connector of the PCB so that it is not necessary to set the test point separately on the PCB, which reduces the PCB area occupied by the test point.

The invention discloses a circuit board sign method based on bad mark two-dimensional codes. The method comprises the following steps: (1), detecting and recording bad mark conditions of all sub circuit boards in a circuit board by use of a detection apparatus; (2), performing encoding through hexadecimal-system two-dimensional codes; (3), mounting the bad mark two-dimensional codes on the circuit board in a surface mounting mode or a laser mode; and (4), scanning the bad mark two-dimensional codes during application. Through such a mode, the circuit board sign method based on the bad mark two-dimensional codes has the advantages of optimized design, novel method, stable performance, lower cost, shorter identification time, higher production efficiency, convenient batch management and the like, thereby having wide market prospect on popularization of the circuit board sign method based on the bad mark two-dimensional codes.

The invention provides a karst reservoir broken bead oil pool well point determining method and device. The method comprises the steps that seismic data are used to identify an oil source fault from a karst reservoir to a source rock; the developmental interval of the karst reservoir and the distribution law of the developmental interval of the karst reservoir are determined; according to the distribution law and the seismic data, a number of fractured cavities which are communicated with the oil source fault are selected from the development interval of the karst reservoir; a seismic inversion method is used to carry out hydrocarbon detection on substances in the fractured cavities; the fractured cavities containing crude oil are used as broken bead oil pools; according to the distribution law and the seismic data, the oil pool size of the broken bead oil pools is determined; and according to the oil pool size of the broken bead oil pools, oil pool mining well points are determined. According to the invention, karst reservoir broken bead oil pool well points can be quickly and efficiently disposed.

The invention relates to a fine circuit printed board etching process, which comprises the steps of S1, opening a cylinder and preparing a solution; S2, carrying out startup checking; S3, starting up; S4, carrying out initial workpiece etching, wherein the initial workpiece etching is carried out on each model of printed board; wherein the specific operating steps of initial workpiece etching are as follows: S41, surface cleaning; S42, dry film attaching; S43, etching, that is, a printed board is placed in a stainless steel hanging basket with the upper part and the lower part being fixed, the stainless steel hanging basket is put in the etching bath prepared in the step 1, the temperature in the etching bath is controlled to be 45-53 DEG C, the nozzle pressure is 2.0-3.5kg/cm2, and the stainless steel hanging basket vibrates slightly for 3min-5min and is then taken out after a window is dissolved; S44, washing; S45, ink retreating; and S46, detection; and S5, carrying out mass production, that is, a plurality of printed boards with the same model are placed on a production line to carry out mass production according to the steps S41-S45 after the printed board is detected to be qualified in the step S46, and spot check is carried out in the mass production process. The advantages of the fine circuit printed board etching process lie in that occurrence of mass unqualified products can be avoided, and the etching effect is good.

The present invention provides a thin film resistor inner layer etching method. The method includes the steps of rough shape cutting, inner layer film applying, inner layer exposure, inner layer etching 1, inner layer etching 2, inner layer AOI (Automatic Optic Inspection) and post treatment. According to the step of inner layer etching, it only needs to tear off a protection film of a surface provided with a resistor. According to the step of inner layer etching 2, a protection film of a surface with no resistor is torn off. According to the method provided by the technical schemes of the invention, the two steps of etching are both performed on the same etching line, and the different regions are protected by using the protection films during etching, and therefore, the first step of etching is only performed on the surface with the resistor, and the second step of etching is performed on two surfaces of a circuit board. With the etching method adopted, a process flow is optimized, equipment input and raw material input are decreased, production costs are effectively reduced, and production efficiency is improved.

The invention discloses a PCBA (Printed Circuit Board Assembly) manufacturability inspection method which utilizes a computer to generate a PCB package datasheet containing position number information in a PCB; checking if the position numbers are sole or not; outputting repetitive position numbers when the position numbers are not sole; utilizing a computer to generate a BOM datasheet containing position number information in an EBOM; checking if the position numbers in the PCB package datasheet are consistent with the position numbers in the BOM datasheet one to one; outputting inconsistent position numbers when inconsistency is found. According to the invention, full check can be conducted to the manufacturability of a PCBA. The method is capable of finding out errors such as repetition of position numbers in a PCB, inconsistency between position numbers in a PCB and an EBOM, non-use of standard package, mistaken use of standard package and the material height beyond technical requirements. With the method, the blind areas and difficult points in manual browsing inspection are overcome, high inspection efficiency can be achieved and the producing cost of a PCBA is reduced.

The present invention discloses a circuit board shielding case component inserter. The circuit board shielding case component inserter comprises a feeder, a material taking device, a detection bench,a horizontal articulated robot and a PCB mobile module. The feeder is formed by a lifting platform and a tray fixed on the lifting platform; the material taking device is formed by a linear module andan electromagnetic suction nozzle; the electromagnetic suction nozzle is fixed on a sliding bench of the linear module; the lifting platform and the detection bench are distributed in a direction ofthe linear module and are uniformly distributed below the linear module; the horizontal articulated robot is provided with an electromagnetic chuck; the PCB mobile module is formed by a guide rail andan electric clamping jaw movably arranged on the guide rail; when the horizontal articulated robot rotates at a certain angle, the electromagnetic chuck corresponds to the detection bench, and then the horizontal articulated robot further rotates at a certain angle, the electromagnetic chuck corresponds to the electric clamping jaw, and therefore, the manufacturing cost is low, the feeding by cases saves manpower, the compatibility is good, and the circuit board shielding case component inserter is suitable for parts with various sizes.

A PCB board leveling device, the PCB board leveling device includes a sensing device, a control device, a transmission device, a baffle and a platform for placing a PCB board, the sensing device is connected to the control device, and the control device is connected to the baffle and the transmission device respectively The device is connected, and the height of the platform is smaller than that of the conveying device; the baffle includes a fixed plate and a movable baffle arranged on the end surface of the platform, and the movable baffle is movably connected with the platform. By setting up the PCB leveling device, it is possible to effectively avoid damage to the PCB board during the process of manually arranging the PCB board and the problem of irregularity in the arrangement of the PCB board.