4629 results about "Flexible circuits" patented technology

The invention relates to the technical field of circuit boards, and discloses a circuit board interlayer connection detection method, device and equipment, and the method comprises the steps: carrying out the electrical characteristic parameter measurement of a multilayer flexible circuit board, and obtaining the characteristic parameter data of the circuit board; designing and arranging a multi-test-point detection structure on the multi-layer flexible circuit board, and performing signal excitation to obtain test point position information; applying a differential excitation signal, and collecting a differential response waveform between the test points to obtain a time domain reflection signal feature; impedance spectrum conversion and parameter extraction are carried out on the time domain reflection signal features, and an interlayer connection impedance distribution diagram is obtained; and establishing an interlayer connection defect characteristic model aiming at nickel-based alloy wire fracture, interface cracking and liquid metal fiber felt delamination in various bending states by utilizing the interlayer connection impedance distribution diagram, so that accurate classification of defect types and severity is realized, and interlayer connection faults and surface welding quality problems can be distinguished; and the misjudgment rate is greatly reduced.

The invention belongs to the technical field of film quality analysis and evaluation, and particularly relates to a flexible circuit board film pressing quality detection and analysis method and system. The method comprises the steps of generating a self-adaptive scanning path based on a design file and surface deformation data; performing multi-modal data acquisition and fusion along a path through optical surface scanning, ultrasonic tomography and an optical coherence tomography imaging assembly; potential defects are positioned, and size, shape, position and defect type probability values are quantized; judging the authenticity of the defect by adopting a three-stage mechanism of cross-modal probability comparison, physical characteristic logic verification and multi-frame time sequence verification; and performing weighted scoring on the real defect matching acceptance standard table, and performing disqualification marking or outputting a process optimization suggestion to the pressing equipment according to a scoring result. According to the invention, the imaging limitation of the transparent coating layer is broken through, the internal interface layering and the precise detection of the microbubbles are realized, and the closed-loop control from detection to production adjustment is formed.

A weapon attachment riser system for a weapon includes a riser assembly including a base housing, which defines an interior compartment, and a housing cover secured to the base housing. The base housing is configured to be detachably secured to a powered weapon accessory interface on the weapon and the housing cover is configured to be detachably secured to an accessory device. A circuit assembly includes a flexible circuit substrate disposed within the interior compartment. The circuit assembly includes a first electrical connector configured to detachably engage a complementary weapon rail interface port on the powered weapon accessory interface through an aligned opening in the housing base and a second electrical connector configured to detachably engage a complementary accessory interface port on the accessory device through an aligned opening in the housing cover.

The invention discloses a planar phased array ultrasonic transducer, and relates to the technical field of transducers, the planar phased array ultrasonic transducer comprises a 1-3 type piezoelectric composite board, a common positive electrode panel and a flexible circuit board, the 1-3 type piezoelectric composite board comprises a polymer frame and a plurality of PZT piezoelectric ceramic columns, all the PZT piezoelectric ceramic columns are embedded in the polymer frame in an array, and the PZT piezoelectric ceramic columns are connected with the flexible circuit board. One end of each PZT piezoelectric ceramic column is a positive electrode end, the other end of each PZT piezoelectric ceramic column is a negative electrode end, the common positive electrode panel is connected with the positive electrode ends of the PZT piezoelectric ceramic columns, the flexible circuit board is provided with a bonding pad area and at least one pin area, the bonding pad area is fixedly provided with a plurality of bonding pads, the pin area is fixedly provided with a plurality of pins, and the flexible circuit board is provided with a plurality of conductive terminals. All the pins, all the bonding pads and all the negative electrode ends of the PZT piezoelectric ceramic columns are in one-to-one correspondence, the bonding pads are electrically connected with the pins, and the bonding pads are connected with the negative electrode ends of the PZT piezoelectric ceramic columns; according to the invention, the PZT is applied to the planar phased array ultrasonic transducer.

The invention discloses a rigid-flex circuit board slotting process based on a laser depth control technology. The rigid-flex circuit board slotting process comprises the steps that the surface of a rigid layer of a rigid-flex circuit board is pretreated, and a laser sensitive layer is sprayed; cNC depth-controlled milling is adopted to form a grooved rough blank structure on the surface of the pretreated rigid layer; positioning laser is used for scanning, a three-dimensional model is established through collected reflected signals, then layered depth-controlled ablation is conducted, second-power laser is sequentially adopted for fine cutting, third-power laser is sequentially adopted for depth calibration, and a groove body structure is formed; cleaning an interface, scanning a groove bottom area and synchronously introducing low-temperature gas; performing morphology repairing treatment, and generating a periodic micro-nano structure on the groove wall by adopting short pulse laser to form a stress concentration resistant surface; depositing an insulating medium layer, and forming a continuous packaging protection layer on the groove wall and the bottom through a vacuum coating process; the high-precision depth-controlled slotting of the rigid-flex circuit board is realized, and meanwhile, the ultra-low thermal damage and anti-fatigue structure and long-acting environmental stability are realized.

The invention discloses a flexible circuit board made of weldable low-temperature silver paste and a preparation process of the flexible circuit board, and relates to the technical field of flexible electronic device manufacturing, and the flexible circuit board comprises a base material layer, a low-temperature weldable silver paste conductive layer and a protective layer. According to the invention, the collaborative design of the weldable low-temperature silver paste and the self-repairing protection layer is integrated, the efficient preparation of the flexible circuit board is realized through the printing technology, the weldable low-temperature silver paste breaks through the traditional high-temperature limitation, supports a wide range of substrates and can be directly welded without surface treatment, and in addition, the polyurethane protection layer containing the dynamic disulfide bond has a self-repairing function. Compared with a traditional FPC, only two core processes of printing and baking are needed, the process is greatly simplified, the equipment investment is reduced, and double reduction of the manufacturing cost and the material cost is achieved.

The present invention provides a speaker includes a frame, a vibration system fixed with the frame, a magnetic circuit system driving the vibration system to vibrate and sound, a flexible circuit board and an electrical connector. The vibration system includes a diaphragm and a voice coil driving the diaphragm to vibrate. The flexible circuit board is fixed on a side of the diaphragm distal to the voice coil. The flexible circuit board covers and is fixed with the diaphragm. The electrical connector passes through the diaphragm to electrically connect the flexible circuit board and the voice coil. In present invention, the flexible circuit board does not occupy a space of the magnetic circuit system, and the acoustic performance of the speaker is good.

The invention discloses a flexible three-dimensional force sensor, and the sensor comprises a housing which is an elastic part and is in the shape of a hemisphere or a semi-ellipsoid; the flexible circuit printed board is installed in the shell, a light source and a plurality of photosensitive sensors are installed on the flexible circuit printed board, the light source is located in the center of the shell, and the photosensitive sensors are distributed around the light source in a circumferential array mode; the shielding structure is mounted on the inner wall of the shell; wherein the space between the shell and the flexible printed circuit board is sealed with air, and the shielding structure can extend into the space between the light source and the corresponding photosensitive sensor to block light path propagation so as to trigger the corresponding photosensitive sensor. The flexible three-dimensional force sensor is simple in structure, complex design is avoided, the production cost can be reduced, and the size can be conveniently reduced so as to be applied to a micro machine; the inner cavity of the shell is sealed with air, so that the flexible three-dimensional force sensor can bear larger pressure, and the pressure detection range is larger than that of a traditional flexible three-dimensional force sensor. The invention relates to the technical field of sensors.

Aspects of the present disclosure are directed to intravascular electrophysiology catheters which utilize electrodes on flexible electronic circuit(s) to facilitate reduced assembly complexity and cost. In one example embodiment, a distal tip assembly of an electrophysiology catheter is disclosed. The distal tip assembly including a catheter shaft, flexible circuitry, and a distal tip coupled to a distal end of the catheter shaft. The catheter shaft includes an outer surface with a trench extending into the outer surface, and the flexible circuitry is inserted into the trench and coupled to the catheter shaft. The flexible circuitry includes one or more electrodes configured and arranged to sense electrophysiological characteristics of tissue.

The invention relates to the technical field of transmission electron microscope in-situ experiments, in particular to a transmission electron microscope in-situ multi-field coupling experiment platform which comprises a sample rod, a carrying table, a thermoelectric chip, a magnetic field generating device and a flexible circuit board. A first mounting groove and a second mounting groove are formed in the carrying table; the thermoelectric chip is arranged in the first mounting groove, and a carrying part, an electrical control unit and a temperature control unit are arranged on the thermoelectric chip; the magnetic field generating device is arranged in the second mounting groove and can generate a controllable magnetic field on the carrying part; the carrying part is used for carrying a sample, the electrical control unit is configured to load and measure an electrical signal of the sample, the temperature control unit is configured to control and measure the temperature of the carrying part, and the transmission electron microscope in-situ multi-field coupling experiment platform provided by the invention realizes cooperative application and accurate control of an electric field, a magnetic field and a temperature field.

The invention discloses a hot-pressing control method and system for a flexible circuit board, and particularly relates to the technical field of flexible electronic manufacturing process control, and the method comprises the following steps: calculating a heat conduction equilibrium coefficient through collecting the temperature and heat flux density data of each region in the flexible circuit board, and achieving the real-time evaluation of a heat diffusion characteristic; in combination with an infrared scanning mode, acquiring reflectivity data, analyzing dynamic change of the reflectivity data along with time, and identifying an abnormal region in which coating residues possibly exist; further comparing the position relationship between the thermal diffusion anomaly and the infrared reflection anomaly, screening a space overlapping region as a high-risk point, and executing a preset regulation and control strategy; according to the method, the heat conduction equilibrium coefficient is calculated by collecting heat flow and temperature data, the coating residue abnormal area is recognized by combining infrared reflectivity time sequence characteristics, the high-risk area is screened based on the space overlap ratio for dynamic regulation and control, accurate recognition, differential control and closed-loop optimization of hot pressing defects are achieved, and the hot pressing quality and consistency are improved.

The invention provides an embedded structure energy storage integrated composite material and a preparation method thereof, and belongs to the technical field of composite materials and electric energy storage. A sandwich structure is adopted, an energy storage unit is embedded in an insulation honeycomb / grid core material, and high-strength fiber composite material panels are arranged on the upper side and the lower side of the insulation honeycomb / grid core material. In the aspect of a material system, the panel has both mechanical strength and electrical insulation property; in structural design, gradient thickness and multi-cavity layout are introduced to improve the multi-direction load bearing capacity. Automatic switching, energy management and fault diagnosis among the energy storage units are realized by a flexible circuit and an intelligent chip which are internally integrated; meanwhile, a sensing network is embedded to monitor structural strain, vibration and battery state in real time, and a structural health monitoring function is provided. The obtained composite material has the characteristics of high structural strength, high energy storage efficiency and high safety intelligent degree, can be widely applied to the fields of aerospace, automobiles and the like, realizes the integrated design of the structure and energy storage, and achieves the purposes of reducing weight and improving functions.

The invention discloses a flexible circuit board cutting system, and relates to the technical field of flexible circuit board cutting, the flexible circuit board cutting system comprises a cutting table and a cutting cover, the top end of the cutting table is provided with a cooling adsorption plate in an embedded manner, and the cooling adsorption plate is provided with adsorption holes distributed in an array manner; the substrate material initial placement area is limited through the square limiting frame, the four sets of L-shaped correction plates are pushed through the pushing mechanism to form a self-centering mechanism, the position of the substrate material to be cut can be automatically corrected, the cut flexible circuit boards do not need to be manually picked out from leftover materials one by one after cutting is completed, and the working efficiency is improved. In addition, a cooling adsorption plate is matched with adsorption holes to adsorb and position the substrate material, then a limiting pressing plate is matched with a first air cylinder to apply pressure, the stability in the cutting process is guaranteed, the cutting precision can be prevented from being affected, finally, the cut substrate material with the high temperature is rapidly cooled through cooling liquid flowing in a cooling liquid cavity, and the cutting efficiency is improved. And overlong high-temperature exposure time of the substrate material can be avoided.

The invention discloses a flexible circuit board production quality monitoring method and system based on data feedback, and the method comprises the steps: collecting the physical parameters of development etching, drilling and copper plating processes, such as line width, line distance, aperture, roundness and copper thickness, and workshop temperature and humidity and dust concentration data; generating a single-variable control chart for a single-process physical parameter, generating a multivariable T2 control chart for a multi-coupling parameter process, and calculating a process stability index and a comprehensive fluctuation index; inputting the abnormal data into a BP neural network, identifying an abnormal mode type and outputting characteristic parameters; generating a parameter correction instruction according to the abnormal mode and the characteristic parameters, and adjusting equipment parameters in real time; recalculating the process capability index based on the adjusted data, and triggering secondary feedback if the process capability index does not reach the standard; and dynamically adjusting the threshold value of the control chart according to the standard deviation and the mean value of the process capability indexes of the continuous batches. Production key parameters are comprehensively covered, abnormity is found in time, accurate and comprehensive detection is achieved, real-time adjustment is achieved, stability and controllability are ensured, and the product quality is improved.

The invention belongs to the technical field of oil stain detection, and particularly relates to a water surface oil stain detection method, system and equipment, the water surface oil stain detection system comprises a flexible circuit board FPC, an InGaAs infrared sensor, an infrared narrow-band filter and an optical lens, light enters a visible light camera and the optical lens through an external lens, the visible light camera collects visible light images, and the visible light images are transmitted to the InGaAs infrared sensor; the optical lens focuses a light beam, then light with a specific wavelength is screened out through the near-infrared narrow-band filter, the screened light is received by the InGaAs infrared sensor, and the InGaAs infrared sensor is connected with the FPC; the method has the advantages that visible light imaging and short wave infrared spectrum analysis technologies are ingeniously fused, so that the accuracy and the reliability of oil stain detection are remarkably improved. Under the current background that environmental protection and water resource management are increasingly severe, powerful technical support is undoubtedly provided for water surface pollution monitoring.

The invention discloses a wearable optical sensor glove, a system, a gesture recognition method and an article recognition method. Comprising a customized flexible glove body, a flexible circuit board, a photoelectric detector, a flexible force-induced luminescence optical fiber, a multipath gating device and a single-chip microcomputer control module. Wherein the customized flexible glove body is made of a flexible material; the flexible circuit boards are arranged on finger parts and a hand back part of the glove; the photoelectric detector is mounted in the finger region and is electrically connected with the multi-path gating device; the flexible force-induced luminescence optical fiber is fixed on the photoelectric detector in each finger region; the multi-channel gating device and the single-chip microcomputer control module are also integrated on the flexible circuit board on the back of the hand and are electrically communicated with each other. The system has good anti-interference performance, and can realize the functions of high-speed dynamic detection, article identification and the like.

The invention relates to the technical field of medical instruments, in particular to an intelligent wound nursing system which comprises a dressing body, and the dressing body comprises a skin-friendly layer, a functional layer and a protective layer. A monitoring module, a control module, a medicine leading-in module, a flexible circuit layer and an alarm module are integrated in the functional layer. According to the method, the infection misdiagnosis rate is reduced through multi-sensor fusion monitoring and a preset infection risk threshold algorithm; according to the design, the micro-fluidic chip and the biological probe are integrated in the percolate component sensor, so that the infection detection rate is increased; a temperature-sensitive hydrogel micro-valve array and nanofiber membrane slow release technology is adopted, so that medicine waste or poor treatment effect is reduced; through a multi-sensor data fusion algorithm, the detection accuracy is improved; the layout of the micro-valve array and the annularly distributed independent medicine storage cavities is adopted, so that the release error is reduced; through the ultrathin flexible framework, the snakelike wiring circuit and flip chip packaging, circuit breakage is avoided, and the clinical failure rate is reduced.

The invention discloses a roll-to-roll cleaning control method and system for a flexible circuit board electronic structural member, and relates to the technical field of electronic manufacturing, and the method comprises the steps: carrying out the partitioning processing of a to-be-cleaned member, and obtaining a thin region and a thick region; the drying cavity is partitioned on the basis of the thin area and the thick area, and a partitioned temperature control method is constructed; a dehumidification drying module is placed, and a hot air drying method is obtained based on a chilled mirror dew-point instrument; the roll-to-roll cleaning control method is used for solving the problems that in an existing roll-to-roll cleaning control method for the flexible circuit board electronic structural part, differential temperature control is not carried out on a thick area and a thin area, and the influence of environment humidity in a drying cavity on the drying effect is not considered; the problems that a thin plate is overheated after being dried, water in a thick plate is not completely evaporated, watermarks which cannot be wiped appear on the surface of the electronic structural part, and then the practicability of the cleaned electronic structural part is affected are solved.

The invention discloses a panel lamp light source integration system based on a flexible circuit board, and relates to the technical field of panel lamp light source integration. Generating an initial design drawing of the flexible circuit board containing a plurality of layers of conductive circuits and a plurality of light source bonding pads; the channel configuration module configures a driving control channel for the bonding pad and establishes a mapping table with the lighting function area; the thermal load optimization module calculates power consumption and thermal load distribution according to the mapping table and the performance parameters and adjusts routing topology to generate a final design drawing; and the manufacturing and assembling module is used for manufacturing a circuit board according to the drawing and mounting a micro light source to finish assembling. Wiring is matched with the shape of a panel and the characteristics of a light source during planning, heat distribution optimization is achieved in the layout stage, the number of times of modification is reduced, and local overheating is restrained. According to the invention, high-fit compact integration of the flexible circuit board and the panel lamp is realized, and the assembly efficiency and the operation stability are improved.

The invention relates to the technical field of flexible circuit board manufacturing and packaging, in particular to an FPC assembly injection molding packaging structure and method based on dynamic mold flow control, and the structure comprises an FPC assembly, a first injection molding layer wrapping a welding spot area of the FPC assembly, and a second injection molding layer wrapping the first injection molding layer and the FPC assembly. The second injection molding layer is provided with an anchoring column penetrating through the reserved channel of the first injection molding layer or the through hole of the FPC assembly, and the anchoring column and the FPC assembly or the first injection molding layer form a mechanical interlocking structure. According to the FPC assembly injection molding packaging structure and method based on dynamic mold flow control, the electronic equipment and the storage medium, through a sandwich structure and in-situ mechanical interlocking design, the process control of a non-Newtonian fluid shear model and an unsteady state heat conduction equation is combined; the technical problems that in the prior art, procedures are tedious, stress concentration is caused by CTE mismatching, and welding spots are prone to being damaged in the injection molding process are solved.

The invention discloses a method for manufacturing a flexible circuit board with a high-precision induction circuit, and the method comprises the steps: taking a flexible copper-clad plate to manufacture a first coil circuit pattern and a bonding pad pattern, and carrying out the AOI detection, and forming a first flexible core board; windowing the first cover film corresponding to the bonding pad pattern, and attaching the first cover film to the first flexible core plate to form an attached plate; a single-face copper-clad plate is taken to manufacture a second coil circuit pattern, and a second flexible core plate is formed; the first coil circuit pattern corresponds to the second coil circuit pattern; manufacturing an adhesive layer for a second flexible core plate, and attaching the second flexible core plate to the attaching plate to form a flexible back attaching plate; carrying out induction circuit testing and post-process processing to form a flexible circuit board; aOI detection and a four-wire circuit testing machine are combined to form dual detection, so that the comprehensiveness and the accuracy of detection are improved; the glue layer is arranged to bond the second flexible core plate and the attaching plate, a physical supporting effect is provided for the detection process, and a processing basis is provided for subsequent depth-controlled laser cutting board splitting structure operation.

The invention discloses a flexible circuit board warping degree non-contact detection method and system, and the method comprises the steps: carrying out the multi-angle scanning of a target flexible circuit board, and obtaining three-dimensional point cloud data; separating a component area and a circuit board substrate area based on a deep learning algorithm, and constructing a circuit board substrate three-dimensional model; a reference reflecting plate is arranged at the bottom of the three-dimensional model, relative spatial position parameters of a reference plane and the detection device are obtained in real time, and a circuit board three-dimensional substrate model is constructed; constructing a self-adaptive coordinate system, and mapping the three-dimensional substrate model of the circuit board into a reference plane coordinate system; curvature parameters of all nodes of the three-dimensional model are calculated through differential geometric analysis, and a curved surface gradient tensor field is constructed; and obtaining a maximum warping amount, a regional warping gradient value and an overall warping degree distribution parameter. The method has the advantages that the warping degree of the circuit board is accurately evaluated through three-dimensional scanning, a deep learning algorithm and differential geometric analysis, and the method has the advantages of high precision, full automation and quick response.

The embodiment of the invention provides a flexible circuit board and electronic equipment, relates to the technical field of signal transmission, and is used for relieving the problem of relatively high signal loss of an FPC (Flexible Printed Circuit) caused by electromagnetic shielding. The flexible circuit board may have a first region and a second region. A reference layer of the flexible circuit board is located in the first area, and the reference layer and the signal layer are stacked. The first shielding layer is located in the first area, and the first shielding layer is stacked on the side, away from the reference layer, of the signal layer. The second shielding layer is located in the second area, and the second shielding layer and the signal layer are stacked. The first grounding wire is electrically connected with the first shielding layer and the reference layer. The first grounding wire is also electrically connected with the second shielding layer. A backflow signal of a signal transmitted by the signal line in the signal layer can flow through the first grounding line from the second shielding layer in the second area, and respectively flows into the first shielding layer and the reference layer in the first area.

The invention relates to the field of application of electrochromic glass, in particular to an environment response type self-powered electrochromic glass intelligent collaborative transparent enclosure structure which comprises an enclosure structure body, and the enclosure structure body is of a sandwich type structure with a hollow interlayer. A self-powered module, an electrochromic glass unit, an environment sensing module and an intelligent regulation and control module are arranged on the enclosure structure main body; in addition, the invention further discloses a dynamic regulation and control method which comprises the steps of collecting data in real time, calculating an energy state and a dynamic regulation and control strategy and the like. The high-efficiency laminated photovoltaic glass and the energy storage unit are integrated, a dynamic regulation and control algorithm is combined, environment response type self power supply is achieved, the light transmittance is adjusted in real time to meet the illumination requirement, the operation cost and the energy consumption are remarkably reduced, modular design is combined with the flexible circuit interconnection technology, and the flexible circuit interconnection technology is optimized. The whole system gets rid of the limitation of complex wiring when being applied to building external windows, curtain walls or daylighting roofs, the installation process is greatly simplified, and the convenience of later maintenance is improved.

A luminous device includes a flexible circuit board, a battery, a plurality of predetermined color light-emitting diodes, a sensor and a control chip. The battery, the predetermined color light-emitting diodes, the sensor and the control chip are arranged on the flexible circuit board. The sensor is configured to detect an external force to generate a control signal. The control chip is connected to the sensor, the predetermined color light-emitting diodes and the battery. The control chip is configured to receive the control signal and select a lighting mode according to the control signal to control the predetermined color light-emitting diodes emit light. The luminous device of the invention uses the flexible circuit board to sense the external force to emit light without requiring external circuits, so as to reduce the overall volume. Moreover, the luminous device of the invention can be installed or attached on any detachable object.

The utility model relates to the technical field of power batteries, and discloses a battery module information acquisition connection system and an electric device, the battery module information acquisition connection system comprises an insulation support, flexible circuit boards, a battery control piece, a first conductive part, an acquisition piece and a battery module, the insulation support is arranged on the battery module, the flexible circuit boards comprise a first flexible circuit board and a second flexible circuit board, the first flexible circuit board is arranged on the side, away from the battery module, of the insulation support, the second flexible circuit board is arranged on the side, facing the battery module, of the insulation support, the flexible circuit board is connected with the battery control part, the battery cell is connected with the flexible circuit board through the collection part, and the battery control part is connected with the battery module. The first conductive part is arranged on the side, away from the second flexible circuit board, of the insulating support and corresponds to the second flexible circuit board in position, one end of the first conductive part is connected with the battery control piece, and the other end of the first conductive part is connected with a high-voltage interface which is in communication connection with the battery control piece. According to the utility model, damage caused by contact between the low-voltage transmission device and the high-voltage transmission device can be avoided.

Systems, devices, media, and methods are presented for using a flexible electronic device to selectively interact with an eyewear device. A portable eyewear device includes a processor, a memory, and a display projected onto at least one lens assembly. A flexible electronic device includes an integrated circuit, a plurality of input sensors, and a power system, all mounted on a flexible substrate that is sized and shaped to conform to a graspable object such as a ring. The flexible electronic device operates according to a power budget, operating on a sensor power budget until it detects a first interaction with at least one of the input sensors. If the first interaction exceeds a sensitivity threshold, the flexible electronic device sends a wake signal to a nearby eyewear device. In response to the wake signal, the eyewear device presents a graphical user interface (GUI) on the display. The eyewear device further presents a cursor along a path on the display that is substantially correlated to the course traveled by the flexible electronic device in motion along a course.

The invention discloses a visual detection device for a new material flexible circuit board, and relates to the field of visual detection devices.The visual detection device comprises a workbench, a servo motor is fixed to the lower end face of the workbench, a detection mechanism is fixed to the rear side of the upper end face of the workbench, and the output end of the servo motor is fixed to a rotating disc; and the turntable intermittently rotates under the action of the servo motor. According to the visual detection device for the new material flexible circuit board, the negative pressure adsorption positioning mechanism is adopted, adsorption and fixation of the flexible circuit board can be achieved, the stability of the flexible circuit board in the detection process is guaranteed, and in cooperation with the linked flattening mechanism, the flattening effect of the flexible circuit board can be achieved when the flexible circuit board is adsorbed and fixed, and the stability of the flexible circuit board is guaranteed. And the flatness of the flexible circuit board is ensured, so that the accuracy of subsequent detection data is ensured, and a pressing acting force can be provided for the flexible circuit board, so that the flexible circuit board is tightly attached to the positioning seat, and the fixing stability of the flexible circuit board is ensured.

A stretchable circuit board assembly and a method for manufacturing the same are provided. The circuit board assembly includes a flexible circuit board and an outer circuit board. The flexible circuit board includes a first base layer and an inner wiring layer. The flexible circuit board is divided into a connecting area and a stretchable area. The inner wiring layer within the connecting area includes an electrical connecting portion exposed from the outer circuit board. The stretchable area is configured to deform into at least one bent portion. The bent portion is used to cause the electrical connecting portion to stretch relative to the outer circuit board. The outer circuit board includes a second base layer and an outer wiring layer. A surface of the second base layer away from the outer wiring layer defines at least one blind groove. The blind groove is configured to receive the bent portion.

An end effector for a catheter including a flexible circuit including a plurality of electrodes is herein disclosed. The flexible circuit is positioned at least partially within an insulative material. In some examples, the end effector includes a framework spaced from the flexible circuit and one or more position sensing loops.