31results about "Manufacture testing/measurements" patented technology

The invention discloses a pre-detection system and a pre-detection method for an electronic gun. The pre-detection system comprises a deflection lens cone, a measurement lens cone and a control module, the measuring lens cone and the deflection lens cone are respectively and electrically connected with the control module; during pre-detection, the to-be-detected electron gun lens cone is installed right above the deflection lens cone, and the control module is electrically connected with the electron gun lens cone. The control module is used for controlling the electron gun to emit an electron beam and controlling the electron beam to deflect in a first direction and a second direction through the deflection lens cone, so that the electron beam performs point-by-point scanning on a first scanning range; an electron beam collecting device in the measuring barrel lens is used for collecting a current value corresponding to each scanning point, and the control module is further used for generating a grayscale image based on the current values and adjusting the position of the electron gun according to the position of a hot spot in the grayscale image until the center of the hot spot coincides with the center of the image. The maintenance efficiency of the electron microscope equipment can be improved, the maintenance difficulty is reduced, and the downtime is shortened.

The utility model discloses an X-ray tube verification device, which is used for testing a to-be-tested anode target disc and a to-be-tested cathode head and specifically comprises a tube shell, an anode rotating shaft, an anode bearing, a driving coil, a cathode mounting seat and a vacuum device, a testing cavity is formed in the tube shell, and the to-be-tested anode target disc and the to-be-tested cathode head are both arranged in the tube shell; the anode target disc to be detected is detachably connected with the anode rotating shaft; the anode bearing is used for supporting the anode rotating shaft; the driving coil can generate a magnetic field, and the anode rotating shaft rotates under the action of the magnetic field and drives the to-be-detected anode target disc to rotate synchronously. The cathode head to be detected is detachably connected with the cathode mounting seat; and the vacuum device is connected with the tube shell and is used for vacuumizing the test cavity. The device can be repeatedly used and test the performance parameters of the cathode head and the anode target disc, so that the material cost is reduced, and the development period of the X-ray tube is shortened.

The invention provides a simple measurement device for electron beam trajectory parameters of a traveling wave tube, belongs to the technical field of electron beam measurement, and solves the problems that an electron beam analyzer is used for measurement in the prior art, the use is relatively complex, the price is high, and the traveling wave tube is inconvenient to develop. The device comprises a base, a mounting cylinder is arranged on the base, a traveling wave tube is mounted on the mounting cylinder, corrugated pipes sleeve the outer side of the mounting cylinder at intervals, one end of each corrugated pipe is connected with the base, the other end of each corrugated pipe is connected with a sealing cover, a collector is arranged on the sealing cover, and the sealing cover is connected with an adjusting mechanism. The position of the collector is adjusted by the adjusting mechanism, so that the radial distance and the axial distance between the collector and the traveling wave tube are changed, the current density of different points in an electron beam is measured, and other track parameters are obtained; the measuring device is simple and convenient in structure and easy to operate, is an effective tool for developing a new traveling wave tube, and is also suitable for characteristic testing of various electron guns of other vacuum devices.

The invention discloses an automatic aging process operation line for magnetrons. The automatic aging process operation line comprises a detection workbench, a lead correction table, a feeding table, a tube core aging table, a turnover manipulator, a transfer manipulator, a feeding and discharging manipulator and a discharging conveying line, a rotary positioning jig assembly and a detection assembly are arranged on the detection workbench; the rotary positioning jig assembly comprises a tube core rotary positioning jig and a rotary driving device; the detection assembly comprises a lead detection sensor for detecting a cathode lead of the magnetron; the lead correction table comprises a correction jig and a cathode lead correction assembly. According to the invention, a complete magnetron automatic aging process operation line is designed, the accuracy of the feeding and discharging actions of the magnetron tube cores is ensured after the magnetron tube cores are subjected to cathode lead detection, correction and arrangement in sequence, automatic feeding and discharging and aging process treatment are realized, the processing efficiency of the magnetron tube core aging process steps is improved, and the production cost is reduced. And the comprehensive production cost of enterprises is reduced.

The present invention discloses a magnetron tube core initial inspection assembly process, including a tube core upright operation process and a tube core inverted operation process, through the upright operation line and the inverted operation line to sequentially complete the oxide layer brushing, high voltage electrical property detection and end cap pressing and other processes of the magnetron tube core, in the tube core upright operation process, the lead end of the magnetron tube core is located in a first direction; in the tube core inverted operation process, the antenna end of the magnetron tube core is located in the first direction. The present invention integrates multiple initial inspection assembly process flows such as oxide layer brushing, electrical property detection and end cap installation after tail gas treatment of the magnetron tube core, realizes effective connection between the initial inspection assembly process steps, can realize streamlined operation, greatly improves the efficiency of magnetron tube core process processing, and improves the accuracy and effectiveness of magnetron tube core initial inspection assembly, ensures the yield rate, is conducive to reducing the production cost of the enterprise, and improves the competitiveness of products.

The application relates to a measuring tool and method for detecting SiPM chip array mounting precision, which comprises a base material layer, a mapping material layer, and four sides arranged between a first light-transmitting surface and a second light-transmitting surface oppositely arranged in the base material layer; the mapping material layer comprises a detection part and four fixed parts fixedly connected with the detection part; the detection part is provided with a plurality of first through holes for connecting a first surface and a second surface of the mapping material layer, each of the plurality of first through holes corresponds to one chip, and the second surface is fixedly connected with the second light-transmitting surface except for an aperture area of the plurality of first through holes; and each of the four fixed parts is fixedly connected with one side, so that the time cost and the labor cost can be reduced, the SiPM detector coupling precision can be improved, and the performance of the SiPM detector can be improved.

The invention relates to the technical field of bulb tube production, and discloses a tube core adjusting device and an adjusting method.The tube core adjusting device comprises a mounting ring, at least three measuring assemblies and an air bag assembly, the mounting ring is arranged on a tube sleeve, and the at least three measuring assemblies are evenly arranged on the mounting ring at intervals in the circumferential direction of the mounting ring; a distance measuring sensor of the measuring assembly can be located in the containing cavity and face the pipe core, and the distance measuring sensor is used for measuring the real-time distance between the outer wall of the pipe core and the inner wall of the pipe sleeve in the extending direction of the distance measuring sensor. The at least three groups of airbag assemblies are uniformly arranged on the mounting ring at intervals in the circumferential direction of the mounting ring, and one group of airbag assembly is in signal connection with one measuring assembly. An air bag body of the air bag assembly is located between the outer wall of the pipe core and the inner wall of the pipe sleeve, and the inflation amount of the air bag body is adjusted according to the real-time distance measured by the measuring assembly, so that the difference value between the real-time distance between the outer wall of the pipe core and the inner wall of the pipe sleeve and the standard distance is within a preset error interval in the extending direction of the distance measuring sensor.

The present invention relates to the technical field of tube production, and discloses a tube core adjustment device and an adjustment method. The tube core adjustment device comprises a mounting ring, a measuring assembly and an airbag assembly. The mounting ring is arranged on a tube sleeve, and at least three measuring assemblies are evenly spaced on the mounting ring along the circumference of the mounting ring. The distance measuring sensor of the measuring assembly can be located in the accommodating cavity and facing the tube core. The distance measuring sensor is used to measure the real-time distance between the outer wall of the tube core and the inner wall of the tube sleeve in the extension direction of the distance measuring sensor. At least three groups of airbag assemblies are evenly spaced on the mounting ring along the circumference of the mounting ring, and one group of airbag assemblies is connected to a measuring assembly signal. The airbag body of the airbag assembly is located between the outer wall of the tube core and the inner wall of the tube sleeve, and the inflation amount of the airbag body is adjusted according to the real-time distance measured by the measuring assembly, so that in the extension direction of the distance measuring sensor, the difference between the real-time distance between the outer wall of the tube core and the inner wall of the tube sleeve and the standard distance is within a predetermined error range.

Disclosed herein is an electron-optical assembly testing system for testing an electron-optical assembly, the system comprising: a source of charged particles configured to emit a beam of charged particles; an electron-optical assembly holder configured to hold an electron-optical assembly to be tested such that, when the system is in use with an electron-optical assembly held by the electron-optical assembly holder, the electron-optical assembly is illuminated by the beam; and a sub-beam detector for detecting sub-beams of charged particles that have been transmitted through the electron-optical assembly.

The application relates to a device and a method for precise assembly of an ECR ion source, which comprises a support, a sliding rail device, a measuring head, a motor device and a control system; the top of the support is provided with the sliding rail device, the sliding rail device is provided with the measuring head, the measuring head is provided with two Hall piece grooves for mounting Hall pieces, the Hall pieces are used for measuring the magnetic field intensity at the corresponding positions of a plasma arc cavity of the ECR ion source; the sliding rail device is further provided with a grating ruler, a reference origin switch, a positive limit switch and a negative limit switch; the control system is electrically connected with the motor device, the grating ruler, the reference origin switch, the positive limit switch and the negative limit switch, the motor device is electrically connected with the sliding rail device, the control system is used for controlling the motor device to work, thereby controlling the movement and rotation of the measuring head in a three-dimensional space through the sliding rail device, determining the magnetic field intensity in any direction, and determining the assembly of related components of the ECR ion source based on the magnetic field intensity, and the application can be widely used in the field of precise assembly.

The utility model discloses a jig for high-voltage ignition detection of an X-ray bulb tube. The jig comprises a stainless steel tank and an observation window covering the upper part of the stainless steel tank, a high-voltage wire connecting hole is formed in one end of the stainless steel groove, a high-voltage wire extending pipe extending towards the interior of the stainless steel groove is arranged in the high-voltage wire connecting hole, and the tail end of the high-voltage wire extending pipe is connected with a bulb tube quick plug connector used for being connected with an X-ray bulb tube through a high-voltage wire connector; a lamp wire connecting hole is formed in the other end of the stainless steel groove, and a lamp wire connector is arranged in the lamp wire connecting hole. According to the utility model, the creepage phenomenon and the radiation leakage phenomenon possibly occurring in the traditional measure are avoided, a guarantee can be provided for the fixation of the X-ray bulb tube, and compared with the traditional design that the bulb tube is directly suspended in oil liquid, accidental ignition caused by non-bulb tube faults is not easy to cause, and meanwhile, the fixing method is simple and the bulb tube is convenient to replace; in addition, due to the design of the oil outlet in the bottom, the problem of oil discharge can be solved under the condition of ensuring sealing and radiation protection.

The present invention belongs to the technical field of vacuum electronic devices and specifically discloses a terahertz energy transmission window assembly, comprising an upper window frame and a lower window frame. The upper window frame is provided with an upper rectangular waveguide and an upper circular waveguide, and the lower window frame is provided with a lower rectangular waveguide and a lower circular waveguide. A window piece is provided between the upper window frame and the lower window frame. The lower window frame is provided with a first solder groove, the first solder groove being located at the bottom of the window piece. An upper second solder groove and a lower second solder groove are provided at the contacting ends of the upper and lower window frames, respectively. After the upper and lower window frames are assembled, the upper second solder groove and the lower second solder groove can interlock with each other. Solder rings are placed in the first solder groove and in the second solder groove and / or the lower second solder groove. The upper and lower window frames are welded by melting the solder rings. A test fixture for a terahertz energy transmission window assembly is provided for clamping and fixing a terahertz energy transmission window assembly. The present invention can effectively simplify the welding process and improve welding efficiency and airtightness.

The invention belongs to the technical field of superconducting magnets, and discloses a superconducting magnet adjusting flange fine-tuning positioning device for a high-precision magnetic axis gyrotron, which comprises a superconducting magnet, and fine-tuning positioning devices are respectively arranged at two axial ends of an outer Dewar of the superconducting magnet. Radial adjusting flanges are arranged between the fine adjustment positioning devices and the outer Dewar of the superconducting magnet, magnetic disk mounting seats are arranged on the inner sides of the radial adjusting flanges, sphere center bearings are arranged in the centers of the surfaces of the magnetic disk mounting seats, and rotary magnetic disks are arranged on the outer sides of the sphere center bearings. And a rotary driving rod is arranged between the two rotary magnetic measuring discs in a penetrating manner. The device can accurately adjust the concentricity of the center of a virtual axis formed by the upper radial adjusting flange and the lower radial adjusting flange and the axis of a measurement magnetic field, the difficulty of the concentricity adjusting process is improved and reduced, the adjusting time is shortened, more manual repeated labor is reduced, and the device is particularly suitable for superconducting magnets for gyrotron pipes with higher coaxiality requirements.

The invention discloses a test device for gas discharge tube production, and relates to the field of gas discharge tube test devices. The invention comprises a machine body, a test bench, a position adjustment component, a temperature adjustment component, a rain simulation component, and a cleaning component; the test bench is arranged at the center of the machine body, the position adjustment component, the temperature adjustment component, the rain simulation component, and the cleaning component are all arranged inside the machine body, the position adjustment component is arranged on both sides of the machine body, the temperature adjustment component, the rain simulation component, and the cleaning component are located on one side of the machine body, the ventilation fan rotates, the driving gear is driven to rotate through the rotating shaft, the driving gear drives the driven gear to rotate, the driven gear drives the flip shaft to rotate, and the driving blades are used to transfer water from one end to the other end, and then the water flow drives the movable ball from the small mouth to the large mouth, and a gap appears, and the water pressure can be controlled by the rotation of the ventilation fan to improve the simulation effect.

This invention discloses an automated aging process line for magnetrons, comprising a testing workbench, a lead alignment workbench, a loading platform, a die aging platform, a flipping robot, a transfer robot, a loading / unloading robot, and a loading conveyor line. The testing workbench is equipped with a rotary positioning fixture assembly and a testing assembly. The rotary positioning fixture assembly includes a die rotary positioning fixture and a rotary drive device. The testing assembly includes a lead detection sensor for detecting the cathode leads of the magnetron. The lead alignment workbench includes a alignment fixture and a cathode lead alignment assembly. This invention, by designing a complete automated aging process line for magnetrons, ensures the accuracy of the loading and unloading of magnetron dies after sequential cathode lead detection, alignment, and alignment. It achieves automated loading / unloading and aging process processing, improving the processing efficiency of the magnetron die aging steps and reducing the overall production cost for enterprises.

The present disclosure provides a method for determining parameters of a multi-stage buck collector, the method comprising: determining an initial electrode size of each of a plurality of electrodes of the multi-stage buck collector according to a performance evaluation index of a gyrotron and a process evaluation index of the multi-stage buck collector, the performance evaluation index including the power generated by the gyrotron, and the multi-stage buck collector being used to dissipate the power generated by the gyrotron; determining an initial voltage drop of each electrode according to the energy distribution of waste electron injection generated in the gyrotron; determining an initial tilt parameter of at least one of the plurality of electrodes according to the arrangement of the plurality of electrodes; adjusting the initial electrode size, initial voltage drop and initial tilt parameter until the collection efficiency and reflux rate of the multi-stage buck collector meet a first preset condition; determining the electrode size, voltage drop and tilt parameter obtained when the first preset condition is met as a target electrode size, target voltage drop and target tilt parameter of the multi-stage buck collector.

The present invention discloses an ID detection method, which includes the steps of setting the qualified current value range of the current measuring instrument; placing the tube core to be detected horizontally on the lower fixture, placing the lead on the metal pad, so that the ring body of the lead contacts the metal pad; pressing the control button, the lifting plate of the detection head descends under the action of the lifting cylinder, so that the detection probe fully contacts the ring body of the lead, and the filament current value of the tube core is detected by the current measuring instrument, and the current measuring instrument is set to detect the electrical properties of the tube core filament. At the same time, the tube core is placed horizontally on the lower fixture unit, so that the probe has a larger contact area with the lead, thereby improving the accuracy and effectiveness of the detection. In addition, the lower fixture is set on a turntable, thereby improving the production efficiency of the detection.

The invention relates to the technical field of withering machine equipment, and discloses a neon lamp production withering machine with an automatic sorting function, the neon lamp production withering machine comprises two fixing plates fixedly connected to the outer walls of two clamping connecting rods, and the outer walls of the two fixing plates are provided with two notches; when the device does not operate, the positions of the two clamping rods in the notches are adjusted according to the distance between the pins on the two sides of the neon lamp bead, when the fixing plates on the two sides get close to each other, the clamping rods in the notches can be driven to get close to each other, and when the air cylinder connecting rod moves to a certain position, the clamping rods on the two sides can clamp the pins on the two sides of the neon lamp bead respectively. Along with the continuous movement of the cylinder connecting rod, the clamping rod can stretch the pin of the neon lamp bead after clamping the pin of the neon lamp bead, and the movement distance of the cylinder connecting rod driven by the cylinder is adjusted by adjusting the magnetic reed on the cylinder, so that the tensile strength of the pin of the neon lamp bead is tested.

The application discloses a pre-check system and a pre-check method of an electron gun. The pre-check system comprises a deflection lens barrel, a measuring lens barrel and a control module. The measuring lens barrel is located directly below the deflection lens barrel, and both are electrically connected with the control module. During pre-check, the electron gun lens barrel to be detected is installed directly above the deflection lens barrel, and the control module is electrically connected with the electron gun lens barrel. The control module is used for controlling the electron gun to emit an electron beam, and is used for controlling the electron beam to deflect in a first direction and a second direction through the deflection lens barrel, so that the electron beam performs point-by-point scanning on a first scanning range. An electron beam collecting device in the measuring lens barrel is used for collecting a current value corresponding to each scanning point. The control module is further used for generating a gray-scale image based on the current value, and adjusting the position of the electron gun according to the position of a bright spot in the gray-scale image until the center of the bright spot coincides with the center of the image. The application can improve the maintenance efficiency of the electron microscope equipment, reduce the maintenance difficulty and reduce the downtime.

The application discloses a kind of field emission electron source performance index determination method and device, comprising: in response to the input operation of interactive interface, the current array of field emission electron source, corresponding voltage array, the preset value of work function, the preset value of field enhancement factor, calculation mode are obtained;Current array and voltage array are first preprocessed and linearly fitted to obtain fitting formula;Fitting formula includes the value of first parameter and the value of second parameter;According to calculation mode, the preset value of work function or the preset value of field enhancement factor, the value of first parameter and the first preset formula of first parameter determine the parameter to be determined in first preset formula;According to the value of work function that has been determined, the value of field enhancement factor that has been determined, the value of second parameter and the second preset formula of second parameter determine field emission electron source performance index.The embodiment of the application can optimize the calculation process, save computing power, and can be widely applied to the performance index characterization of cold cathode electron source in the field of vacuum electron technology.

The utility model provides a filament aim point adjusting tool which is used for adjusting the position of a filament in a cathode unit of an X-ray source, the filament aim point adjusting tool comprises a first mounting seat, a second mounting seat and a display device, the first mounting seat forms a mounting cavity used for fixing the cathode unit, the second mounting seat is connected to the first mounting seat, and the display device is arranged on the second mounting seat. The second mounting seat is positioned on the outer side of the electrode cap and is provided with an adjusting window; the adjusting window corresponds to the position of an adjusting bolt of the cathode unit; the display device is detachably connected to the second mounting base, image information of the electrode cap at the through hole can be amplified and displayed through the display window of the display device, so that the relative position of the lamp filament and the through hole can be obtained, and when the aim point degree of the lamp filament of the cathode unit does not meet the requirement, a user can operate the adjusting bolt through the adjusting window to adjust the aim point degree of the lamp filament. And adjusting the position of the filament in real time until the aim point degree of the filament meets the requirement.

The utility model relates to the technical field of electron tube processing discloses an electron tube sealing and separating tool, including force application equipment and spring draw hook, both ends of spring draw hook are equipped with the hook, and one end of spring draw hook is hung on force application equipment, and the other end is used for connecting the one end of electron tube body far from the exhaust pipe. The electron tube sealing and separating tool of the utility model is applied to the sealing and separating process of the electron tube with large volume and mass, adopts the mode of providing lifting force by force application equipment to replace manual support electron tube, makes the sealed exhaust pipe separate from the vacuum acquisition system, improves operation convenience and safety, and satisfies the sealing and separating requirement of superpower electron tube.

The present invention discloses an electric dotting machine, comprising a bracket, a dotting assembly, a stress relief assembly and a conveying assembly. The bracket has a discharge end; the dotting assembly is arranged on the bracket, the dotting assembly is provided with a dotting station, and is used to dot the pipe body; the stress relief assembly is arranged on the bracket, and is adjacent to the dotting assembly, and is provided with a relief station. The stress relief assembly performs high-temperature treatment on the pipe body to eliminate the stress of the pipe body after dotting; the conveying assembly is arranged on the bracket, and is used to drive the pipe body through the dotting station and the relief station in sequence. The dotting assembly is used to dot the pipe body and then position the trigger line. The stress relief assembly performs high-temperature treatment on the pipe body to eliminate the stress of the pipe body after dotting; it prevents the pipe body from being broken due to excessive stress after dotting. In addition, there is no need for workers to transfer semi-finished products in the processing process to different equipment for processing at corresponding stations, which simplifies the operation process, improves the continuity of processing, improves production efficiency, and saves production costs.

This invention discloses a photomultiplier tube (PMT) dynode film preparation system and method belonging to the field of PMT technology. The system includes a PMT, a vacuum system, and an alkali source assembly. The alkali source assembly includes an external glass tube and internal K, Na, and Cs sources. One end of the glass tube is closed, and the other end is connected to the vacuum system via a tail tube. One end of the PMT is also closed, and the other end is connected to the vacuum system via a tail tube. The K, Na, and Cs sources are connected to pin electrodes via nickel wires to form a circuit. Eleven pin electrodes are led out from the inside of the PMT. This invention can accurately and effectively monitor the secondary electron emission capability of the dynode film, solving the problem of lack of quality control in the dynode preparation process. Furthermore, it improves the secondary electron emission coefficient of the dynode film, resulting in a significant increase in overall PMT gain and achieving good consistency.

The invention relates to the technical field of semiconductor equipment maintenance, in particular to a vacuum baking platform, a control system, a control method and a storage medium, the vacuum baking platform comprises a lens cone, a lamp filament is arranged in the lens cone, a through hole is formed in the lower end of the lens cone, and the position of the lamp filament in the lens cone can be adjusted to directly face the through hole; the vacuum valve is arranged on the lens cone and located at the through hole; the supporting cylinder is arranged at the lower end of the lens cone in a sealing manner; the Faraday cup is arranged at the bottom of the supporting cylinder and directly faces the through hole, and a diaphragm is arranged on the Faraday cup; the first vacuumizing assembly is communicated with the lens cone; the second vacuumizing assembly and the third vacuumizing assembly are both communicated with the supporting cylinder; and the heating assembly is used for heating the vacuum baking platform. Vacuum can be quickly established, and meanwhile the success rate of filament replacement can be increased.

The invention discloses a control method and system for collecting and measuring parameters of a gas discharge tube in multiple paths based on a microcontroller unit. The control method comprises the following steps: the microcontroller unit receives a test instruction; controlling a digital potentiometer to adjust a resistance value according to the voltage output parameter; controlling a relay group to switch a resistor-capacitor combination according to the voltage slope parameter, and determining and applying a test voltage to the gas discharge tube; controlling the high-voltage dry reed relay array to set or switch the polarity of the test voltage; collecting voltage and / or current signals of the gas discharge tube through an analog-to-digital conversion module; determining a breakdown voltage value and / or calculating an insulation resistance value based on the acquired signal; and comparing the parameter value with a preset standard and then outputting a judgment result. By accurately controlling voltage output, slope and polarity and combining high-precision signal acquisition and parameter calculation, efficient, accurate and automatic measurement of parameters of the gas discharge tube is realized, the problems of low measurement efficiency and low precision in the prior art are solved, and the detection reliability and efficiency are improved.

A laser angle calibration device disclosed by the present invention comprises a fixed seat, an extension seat and an angle adjusting mechanism, the fixed seat is used for being fixed with a cavity, the fixed seat is provided with a first light hole, the extension seat is movably arranged on the fixed seat, the angle adjusting mechanism is arranged at one end of the extension seat, and the angle adjusting mechanism is arranged at the other end of the extension seat. One end of the extension seat is provided with a first light-transmitting hole, the other end of the extension seat is provided with a second light-transmitting hole, the first light-transmitting hole and the second light-transmitting hole are located on the same straight line, the angle adjusting mechanism comprises a lens mounting seat and a lens, the lens is rotatably arranged on the lens mounting seat, and the lens mounting seat is detachably connected with the extension seat and can move relative to the extension seat. The invention also discloses an ion beam path simulation system and method for simulating an ion beam path by using the laser angle calibration device. The method has the advantages that the adaptability is high, the whole path of the ion beam can be simulated at a time, segmented multiple detection is not needed, different detection devices do not need to be installed for different cavities, and the efficiency is higher.

The utility model provides a high power density water -cooled anode's filamentous cathode emission performance test device relates to vacuum electron device field. Including: anode body and anode cylinder, wherein, anode cylinder is hollow cylindrical structure, wherein outside end face is connected to anode body, remaining outside surface is contacted with cooling water in anode body, and the inside surface corresponds with filamentous cathode to test the emission performance of the cathode. The anode of this anode cylinder is hollow cylindrical structure, and the gas permeability of the airtight space between anode cylinder and anode body is very low, so that the cathode emission test device can test the emission performance of filamentous cathode. Meanwhile, the outside surface of anode cylinder is contacted with cooling water, so that the electron of higher power density can be received, and the refractory metal evaporation of anode cylinder is not easy to cause, and the anode is damaged. In addition, the device structure is simple, and convenient operation.

The invention relates to the technical field of traveling wave tube detection, in particular to a high-frequency collector assembly performance detection device and method.The detection device comprises a sealing box, a vacuum baffle valve is arranged in the sealing box, the sealing box is divided into a rear half box and a front half box through the vacuum baffle valve, and the rear half box and the front half box are provided with air exhaust holes connected with a vacuumizing device; the front half box is provided with an interface; the front end of the detection connecting piece is provided with an input end cover connecting piece, the rear end of the detection connecting piece can be welded with the interface, and the detection connecting piece is internally provided with a communicating hole penetrating front and back; the front end of the input end cover connecting piece can be matched and connected with input high frequency; after the input end cover connecting piece is cut from the detection connecting piece, the rear end of the input end cover connecting piece can be matched and connected with the electronic gun; according to the invention, the performance of the high-frequency and collector assemblies can be detected before the traveling wave tube is assembled into a whole tube, only the unqualified high-frequency and collector assemblies need to be scrapped when the high-frequency and collector assemblies are detected to be unqualified, the electronic gun can be reused, and the cost is saved.

The invention discloses a micro-electro-mechanical optical quantum digital low-light device and a packaging method thereof. The micro-electro-mechanical optical quantum digital low-light device comprises a cathode, a tube shell precursor and a tube shell rear body, the MCP is packaged in the tube shell precursor; a CMOS circuit is arranged in the tube shell rear body; an HTCC base is arranged at the plugging end of the tube shell rear body; when the device is used, voltage is respectively applied to the cathode, the MCP input, the MCP output and the electrode of the CMOS circuit, the voltage difference between any two adjacent electrodes is 50-3000V, the device is low in power consumption, high in image frame frequency and low in working illumination, the night vision requirement is met, and meanwhile, the image output meeting the frame frequency requirement can be realized.