58 results about "Plate detector" patented technology

A flat panel detector (FPD) includes an imaging panel having pixels arranged in a matrix, a gate driver for turning thin film transistors (TFTs) of the pixels ON and OFF, a radiation detecting section for detecting the start of x-ray radiation from the x-ray source, and a controller. The controller controls the gate driver to turn the TFTs ON periodically to reset dark charges of the pixels. Before starting a charge accumulating operation for accumulating signal charges for imaging, the controller controls the gate driver to turn the TFTs OFF so that the radiation detecting section may detect the start of x-ray radiation on the basis of charge leaks from the pixels. When the start of x-ray radiation is detected, the controller starts the charge accumulating operation while keeping the TFTs in the OFF condition. Thereafter, the TFTs are turned ON to read out the accumulated signal charges.

Disclosed is a method of manufacturing a flat panel detector such that the surface on the sale of a fluorescent body layer of a scintillator panel which has the fluorescent body layer comprising a column crystal on the supporting body, is coupled to the planar light receiving element surface of a light-receiving element, comprising: a step of manufacturing the scintillator panel which has a larger area than that of the planar light receiving element surface; a step of trimming the edges of the scintillator panel, obtained by the step of manufacturing the scintillator panel, to correspond to the area of the planar light receiving element surface; and a step of coupling the edge-trimmed scintillator panel to the planar light receiving element surface, thus providing a flat panel detector which has an excellent productivity and that can be made small in size without non-image area.

A working system for a circuit substrate enabling a control of stopping the substrate without inconvenience. A PWB detector 308 held by a Y-axis slide 252 of an XY robot 266 moving a component mounting head, has reflection type photoelectric sensors 310, 312 spaced from each other in a direction of conveyance of a PWB 12 by a conveyor 14. When the PWB 12 carried in the system, the sensors 310, 312 are moved to a position corresponding to a downstream-side edge of the PWB 12 stopped at a predetermined stop position. The PWB 12 is decelerated when detected by one of the sensors on the upstream side, and stopped at a desired position regardless of its shape, dimensions and conveying direction, when detected by the other or downstream sensor. Electronic circuit components 16 can be supplied to plural kinds of PWBs 12 with one component supply device.

The invention belongs to the technical field of coal separation, and particularly relates to a movable photoelectric separation robot for coal and gangue. The robot comprises a vibration feeding module, a conveying module, a dual-energy X-ray identification and decision module and a coal and gangue separation module; a dual-energy X-ray source is fixedly installed in an installation box and is located above a conveying belt; an X-ray flat panel detector is installed under an empty belt of the conveying module and is right corresponding to the dual-energy X-ray source; a measurement and controlinstrument is in electric signal connection with the dual-energy X-ray source; a power supply device is used for supplying power to the measurement and control instrument, the dual-energy X-ray source and the X-ray flat panel detector. The intelligent and efficient coal and gangue separation equipment based on dual-energy X-ray transmission coal separation can achieve real-time and intelligent separation of coal and gangue underground, and compared with an underground jigger, a dense medium cyclone and the like, the equipment has the advantages that the coal separation technology is optimized, the coal and gangue separation rate is increased, the occupied area of a chamber is reduced, and the coal quality is improved.

A flat panel detector (FPD) includes an imaging panel having pixels arranged in a matrix, a gate driver for turning thin film transistors (TFTs) of the pixels ON and OFF, a radiation detecting section for detecting the start of x-ray radiation from the x-ray source, and a controller. The controller controls the gate driver to turn the TFTs ON periodically to reset dark charges of the pixels. Before starting a charge accumulating operation for accumulating signal charges for imaging, the controller controls the gate driver to turn the TFTs OFF so that the radiation detecting section may detect the start of x-ray radiation on the basis of charge leaks from the pixels. When the start of x-ray radiation is detected, the controller starts the charge accumulating operation while keeping the TFTs in the OFF condition. Thereafter, the TFTs are turned ON to read out the accumulated signal charges.

The invention relates to a mass spectrometry instrument, in particular to an ion mass screening device in flight time mass spectrometry, and the device comprises a mass analyzer; the mass analyzer comprises a vacuum cavity, a field-free flying area located in the vacuum cavity, a grid electrode, a micro-channel plate and a Faraday disk; an ion mass screening electrode is arranged in an area between the two metal grid meshes of the grid mesh electrode; pulse voltages U1 and U2 which are opposite in polarity, identical in pulse width and synchronous in time sequence are applied to all the adjacent plate-type structure electrodes of the ion mass screening electrode respectively. According to the invention, the ion mass reaching the micro-channel plate ion detector can be selectively filtered;the interference of high-strength ion background ions and reaction reagent ions on the micro-channel plate detector is eliminated, the dynamic range of an instrument can be effectively enlarged, thedetection sensitivity is improved, and the service life of the micro-channel plate ion detector can be greatly prolonged.

An electrostatic detection device, which is configured to detect an electrostatically sensitive area of an electronic device causing a specific event to happen to an electronic device, includes an electrostatic metal plate, a detector, and a controller. The electrostatic metal plate is configured to generate an electrical field and includes a first surface which is parallel to the electronic device. When the specific event is detected, the detector generates a detection signal. The controller moves the first surface relative to the electronic device and receives the detection signal. When thedetection signal is received, the controller determines that the electrostatically sensitive area is a first area of the electronic device overlapped with the first surface.

A flat panel detector is provided having a circular active area. The flat panel detector is built using complementary metal-oxide-semiconductor (CMOS) tiles. In one implementation, the flat panel detector having a circular active area can be used as a replacement for a conventional image intensifier, including an image intensifier used in a fluoroscopy system.

The invention provides a connector assembly, which belongs to the technical field of low-voltage electrical equipment and comprises a shell, a copper bar and a contact, the copper bar and the contact are arranged in the shell, the connector assembly is used for communicating a loop between a power distribution drawer cabinet and a main bus, and the connector assembly further comprises a detection device and acircuit board, the detection device is arranged in a cavity in the shell and corresponds to the copper bar, the detection device is suitable for monitoring any one or more of a temperature signal, current and voltage of the copper bar, and the circuit board is arranged outside the shell and is electrically connected with the detection device. According to the connector provided by the invention, the detection device and the circuit board are arranged in the shell, the detection device is electrically connected with the circuit board, and the detection device can monitor any one or more of a temperature signal, current and voltage of the copper bar in the connector; and a monitored signal is processed by a chip on the circuit board and then converted into a digital signal to be transmitted to the display panel, so that the running state of the plug-in is displayed in real time, and when the plug-in breaks down, early warning can be conducted in time.

An instrument for assaying radiation includes a flat panel detector having a first side opposed to a second side. A collimated aperture covers at least a portion of the first side of the flat panel detector. At least one of a display screen or a radiation shield may cover at least a portion of the second side of the flat panel detector.

The present invention provides an invisible light flat plate detector and a manufacturing method thereof, an imaging apparatus, relates to the field of detection technology, can solve problems that the structure of the invisible light flat plate detector in the prior art is complex and the manufacturing method thereof is tedious. The invisible light flat plate detector of the present invention comprises a plurality of detection units and an invisible light conversion layer provided above the detection units for converting invisible light into visible light, each of the detection units comprising a thin film transistor provided on a substrate, and a first insulation layer, a first electrode, a semiconductor photoelectronic conversion module, a second electrode which are successively provided above the thin film transistor and of which projections on the substrate at least partially overlap with a projection of the thin film transistor on the substrate.

The invention discloses a calibration method for elimination time of an ion fan. The calibration method comprises steps of calibrating elimination time of an ion fan by a standard charging plate detector, charging positive and negative charges on a plate capacitor through a high-voltage generator to obtain static elimination time; and then calibrating ion balance including recording calibration results and determining re-calibration intervals. According to the calibration method for elimination time of the ion fan provided by the invention, by arrangement of the ion fan, a work plane and capacitor plates, the plate capacitor is charged with the positive and negative charges by the high-voltage generator, and the ion balance is calibrated to uniformly regulate the static elimination time ofthe ion fan, thereby reducing error of the static elimination time, improving measurement accuracy of the ion fan, and making the calibration method suitable for first calibration, subsequent calibration and in-use inspection of the ion fan neutralizing static charges in the air.

The invention discloses a semi-finished product production line suitable for float electronic display glass. The semi-finished product production line comprises an annealing kiln, a first broken platedetector is arranged at the downstream position in the pulling direction of the annealing kiln, an emergency transverse cutting machine is arranged at the downstream position in the pulling directionof the first broken plate detector, a breaking roller is arranged at the downstream position in the pulling direction of the emergency transverse cutting machine, and an emergency falling plate is arranged at the downstream position in the pulling direction of the breaking roller; according to the invention, the stress of the glass substrate can be detected online; glass scratches can be reduced;the online detection precision of the appearance size of the glass can be improved; the breakage rate of subsequent production, processing, packaging, transportation and client sheet taking caused byglass microcracks can be reduced; the glass sampling difficulty can be reduced, and the sampling safety is improved; the semi-finished product packaging device can be in seamless butt joint with a post-processing line while realizing semi-finished product packaging so that continuous production of glass from semi-finished products to finished products is realized, and the production efficiency isimproved.

The utility model relates to the technical field of electrical devices, in particular to a pressing plate state monitoring device capable of realizing secondary error prevention, which comprises a device frame plate, convenient mounting mechanisms are arranged on the inner wall of a unit protection screen cabinet and the surface of a mounting plate, and disconnection prevention mechanisms are arranged on the surfaces of stickers, an intelligent pressing plate background management system and a wire body. The surface of the device frame plate and the surface of the pressing plate detector are each provided with a secondary anti-misoperation mechanism. According to the utility model, when the monitoring device is used, the pressing plate detectors can be respectively mounted on the surfaces of the mounting plates and the device frame plate, so that the monitoring effect of the monitoring device is better when the monitoring device is used, and the mounting plates can be respectively mounted on the surfaces of the device frame plate when the monitoring device is used; the monitoring device is more convenient for a user to operate when being used, and the phenomenon that the wire body is loosened and disconnected between the pressing plate controller and the intelligent pressing plate background management system can be avoided when the monitoring device is used, so that the practicability of the monitoring device is higher.

The utility model discloses a punching machine for punching a COF (chip on film) reading chip of a flat panel detector, which comprises a working table, a transferring mechanism is arranged on the working table, a punching lower die is arranged on the transferring mechanism, a blanking port of a chip is arranged on the punching lower die, and a positioning component for positioning a punching part is further arranged on the punching lower die. A chip on a stamping part is completely stamped into a discharging box through a pressing head on the stamping upper die, automatic stamping of the chip is achieved, meanwhile, the stamping efficiency is high, an operator only needs to align a positioning identification hole in the stamping part with a stamping hole, and the stamping upper die is arranged above the stamping lower die in a vertically-displaceable mode. And therefore, the automatic punching device is simple to operate.

The invention discloses an all-static miniaturized scanning electron microscope lens suitable for lunar surface in-situ detection, and belongs to the technical field of lunar detection. Comprising an electronic gun, a condenser module, a micro-channel plate detector and an objective lens system which are sequentially fixed along an axis. The lens adopts a full-electrostatic system, and through holes are formed in the collecting lens module and the objective lens system so as to introduce a natural vacuum environment on the lunar surface. A multifunctional electrode structure is innovatively designed in the collecting lens module, so that the collecting lens has a diaphragm function; and an electrostatic deflector capable of synchronously realizing scanning deflection and anastigmatism is integrated in the objective lens system. Through the full electrostatic design and the lunar surface vacuum introduction structure and function integration and compactness design, the magnetic flux leakage and heat loss of a traditional electromagnetic lens are effectively overcome, the dependence on complex vacuum equipment is reduced, the system integration degree is improved, the requirements of lunar surface detection loads on miniaturization and light weight are met, and the application prospect is wide. And meanwhile, the structural reliability of the system in emission vibration and lunar earthquake environments is improved.

The invention is suitable for the technical field of detection equipment, and provides off-line X-Ray detection equipment which comprises an equipment main body, an operation table and a display, and further comprises an angle control mechanism, a detection frame, a moving mechanism, a flat plate detector, an X-ray detector, an adjusting mechanism, a circular objective table and a square objective table, the angle control mechanism can drive the flat plate detector and the X-ray detector to rotate at the same time, so that the detection angles of the flat plate detector and the X-ray detector are changed at the same time, products can be accurately detected, detected images are prevented from being distorted, and the quality of the detected images is ensured. The moving mechanism can change the distance between the flat plate detector and the product and the distance between the X-ray detector and the product and ensure the detection accuracy of the flat plate detector and the X-ray detector, the adjusting mechanism can change the X-axis position and the Y-axis position of the circular objective table and the square objective table, the flat plate detector and the X-ray detector can conveniently conduct rapid and accurate detection on the flat plate detector and the X-ray detector, and the detection efficiency is improved. And the detection quality of products is ensured.

The invention relates to a mass spectrometry instrument, in particular to an ion mass screening device in a time-of-flight mass spectrometer, which includes a mass analyzer, and the mass analyzer includes a vacuum cavity, a field-free flight area located in the vacuum cavity, and a grid electrode , a microchannel plate and a Faraday disk; an ion mass screening electrode is arranged in the area between the two metal grids of the grid electrode; all adjacent plate structure electrodes of the ion mass screening electrode are respectively applied with opposite polarity, pulse Pulse voltages U1 and U2 with the same width and synchronous timing. The ion mass screening device in the time-of-flight mass spectrometer of the present invention can selectively filter the ion mass reaching the ion detector of the microchannel plate, eliminate the interference of high-intensity ion background ions and reaction reagent ions on the microchannel plate detector, and can not only The dynamic range of the instrument is effectively increased, the detection sensitivity is improved, and the service life of the ion detector of the microchannel plate can be greatly improved.

The invention relates to the technical field of nuclear reactor fuel cladding oxidation film thickness measurement, and discloses a nuclear reactor fuel cladding oxidation film thickness measurement device and method, and the device comprises a femtosecond laser system, an optical parameter adjustment system, a focusing adjustment system, an electrode plate, a micro-channel plate detector and a data acquisition system. The device has the beneficial effects that the thickness of the surface oxide layer can be effectively detected, the device is particularly suitable for detection of trace components, the bottlenecks of a traditional method in detection lower limit and precision are broken through, the device is compact in structure, and reliable and efficient technical support is provided for state monitoring and safety evaluation of the nuclear power station fuel cladding.

The invention relates to a mass spectrometry instrument, in particular to an ionic migration spectrometry-flight time mass spectrometer, and the mass spectrometer comprises an ionic migration spectrometry cavity, a mass spectrometry transmission area cavity, a mass analyzer cavity and a data acquisition card; an ionization source, an ion gate and an ion migration region electrode are sequentiallyarranged in the ionic migration spectrometry cavity from top to bottom; a repulsion polar plate, a flight time mass analyzer and a micro-channel plate detector are arranged in the mass analyzer cavity; pulse voltages Ugate, Upulse and Ucard are respectively applied to acquisition trigger terminals of the ion gate, the repulsion polar plate and the acquisition card; and the pulse voltage Upse and the pulse voltage Ucard are synchronized based on the rising edge or falling edge moment of the pulse signal of the pulse voltage Ugate. The ionic migration spectrometry-flight time mass spectrometer can effectively improve the utilization efficiency of ions, the two-dimensional analysis speed of ionic migration spectrometry-mass spectrometry and the detection sensitivity by synchronizing and modulating the pulse time sequences of the ion gate, the repulsion polar plate and the acquisition card.

The invention provides a flat panel detector and a manufacturing method thereof. The flat panel detector includes a base substrate, a sensing electrode, a bias electrode and an insulating layer, the sensing electrode and the bias electrode are located on the base substrate, and the insulating layer is located between the sensing electrode and the bias electrode. The electrode is far away from the side of the base substrate, and the thickness difference between the region of the insulating layer corresponding to the sensing electrode and the region of the insulating layer corresponding to the bias electrode is not greater than a preset threshold. In the embodiment of the present invention, when a sufficiently high voltage is applied on the insulating layer and turned on, since its thickness is relatively uniform, the dark current generated by the sensing electrode and the bias electrode under the insulating layer is also relatively uniform, thus improving the flat panel detector. The uniformity of the dark current distribution helps to improve the detection accuracy of the flat panel detector.

The invention belongs to the technical field of coal separation, in particular to a mobile gangue photoelectric separation robot; including a vibration feeding module, a conveying module, a dual-energy X-ray recognition decision-making module and a coal-gangue separation module; a dual-energy X-ray The source is fixedly installed in the installation box, and the dual-energy X-ray source is located directly above the conveyor belt; the X-ray flat panel detector is installed directly below the empty belt of the conveyor module, and the X-ray flat panel detector corresponds to the dual-energy X-ray source ; The measurement and control instrument is connected with the dual-energy X-ray source electrical signal; the power supply device is used to supply power to the measurement and control instrument, the dual-energy X-ray source and the X-ray flat panel detector; Intelligent and efficient separation of coal gangue based on dual-energy X-ray transmission coal preparation The equipment can realize real-time intelligent separation of coal and gangue underground. Compared with underground jigs and dense medium cyclones, etc., it optimizes the coal preparation process, improves the separation rate of coal and gangue, and reduces the cost of the chamber area. Occupy, improve the quality of coal.

The invention provides a flat panel detector structure and a preparing method thereof. The preparing method comprises the steps of providing a substrate and preparing a lower electrode layer on the substrate; providing a radiation absorbing material liquid, wherein the radiation absorbing material liquid comprises a lead-containing compound liquid; and coating the radiation absorbing material liquid on a lower electrode layer to prepare a light-converting layer on the lower electrode layer based on the coated radiation absorbing material liquid; and preparing an upper electrode layer on the light-converting layer. The structure and method of the invention improve the materials of the existing light-converting layer, improve the radiation absorption capability of the light-converting layer,reduce the thickness of the light-converting layer, design the forming method of the light-converting layer and solve the problem in forming a polycrystalline structure. Furthermore, the chemical composition and phase uniformity of the device are improved; the uniformity of the image is raised; the effective utilization of raw materials is raised; the process equipment is simplified; the structure of the detector is designed; the problem of leakage current is mitigated; the noise of detector is reduced; the sensitivity and the contrast ratio are raised; the electrode materials of the detectorare improved; and the cost is reduced.

A system for multi-stage differential mobility spectrometer (multi-stage DMS) and the method of operating and using the same are described. Ions produced in an ionization source are introduced into the separation region of multi-stage DMS, which includes at least two DMS stages. Each DMS stage is configured to generate separation and compensation fields to characterize, separate, or select ion species. The separation region further includes ion alteration stages which are placed between various adjacent stages of multi-stage DMS. Alteration of ions can be both chemical and physical. Ions whichare separated, altered, and selectively passed by all DMS stages of multi-stage DMS are then measured or further characterized by the Faraday plate detectors or a mass spectrometer.

The invention discloses a flat panel detector position offset detection tool, a method and a radiotherapy device. The detection tool includes: a base plate and a column, the base plate is used to be fixed on the flat panel detector, and a plurality of Columns, and multiple columns are evenly distributed on the test surface. The present invention can detect the position offset of the flat panel detector relative to the radiation source when the radiotherapy device frame is at different angles without resorting to high-precision measuring tools, quickly obtain the position offset of the flat panel detector, and the detection tooling structure is simple , easy to install, simple steps in the detection method, and easy to operate.

The invention relates to a device and method suitable for agricultural scientific research workers who can simultaneously acquire three-dimensional morphological parameters of rice plants and rice root systems for non-destructive measurement in rice cultivation and genetic breeding research. The CT detection device of the present invention is mainly composed of 7 functional modules: a ray source, a flat panel detector, a load rotating table, a lifting module, a roller conveying line, a precision motion controller and a computer system; the present invention adopts the roller conveying line to The sample to be tested is transported from the planting area to the detection area, and the automatic positioning and rotation of the potted crops and the automatic lifting of the ray source flat-panel detector are realized through the precision motion controller, so as to obtain the visible light images of the aboveground plants and the underground root system at different angles and heights. The X-ray tomographic image is then used to obtain the 3D reconstruction data of the rice plant and root system through the motion restoration algorithm SFM and the cone beam FDK algorithm, and then the 3D model data of the whole rice plant is obtained through the fusion algorithm, and the traits are analyzed.

The invention relates to a method and a device for testing CO2 osmotic concentration of a full-size O-shaped ring of a CCUS (carbon capture, utilization and storage) system, and belongs to the technical field of CCUS. The device comprises a cover plate, a CO2 detector connecting pipe, a bottom plate and a CO2 introducing pipe, wherein the cover plate is provided with a pore passage for testing the CO2 permeability concentration; the bottom plate is used for placing an O-shaped ring; the cover plate and the bottom plate are fixed through bolts distributed circumferentially, a groove is formed in the bottom plate and used for placing an O-shaped ring to be detected, a central hole is connected with a CO2 inlet pipe, and a hole is formed in the cover plate and connected with a CO2 detector connecting pipe. During use, the O-shaped ring is arranged in the groove of the bottom plate, CO2 gas is introduced after the cover plate is fixed, and the concentration of CO2 permeated through the O-shaped ring is measured in real time through the detector. The device has the advantages of being high in precision, good in stability, easy and convenient to operate and the like, the actual working conditions (including contact pressure, dynamic sealing and other real service conditions) of the O-shaped ring in a CCUS system can be directly simulated, and the direct penetration performance of CO2 to the O-shaped ring is effectively measured; the limitation that in the prior art, the permeability of the O-shaped ring can be indirectly calculated only by measuring the permeability of the sheet-shaped sample made of the same material is overcome, so that the actual leakage risk of the sealing element is reflected more truly, hidden dangers are found in time, and safe operation of a system is ensured.