Abstract: The present disclosure provides a semiconductor detector. The semiconductor detector comprises: a detector crystal including a crystal body, an anode and a cathode; a field enhance electrode for applying a voltage to the detector crystal; an insulating material disposed between the field enhanced electrode and a surface of the detector crystal. The semiconductor detector further comprises a field enhanced electrode circuit board having a bottom connection layer in contact with the surface of the detector crystal and a top layer opposite to the bottom connection layer, wherein the top layer is connected to a high voltage input terminal of the semiconductor detector, and an insulating material is provided between the bottom connection layer and the detector surface of the detector crystal.

Abstract: The present disclosure provides a method for recognizing an article using a multi-energy spectrum X-ray imaging system and a multi-energy spectrum X-ray imaging system. The method comprises: recognizing an application scenario and/or priori information of the article; selecting a parameter mode suitable for the article from a plurality of parameter modes stored in the multi-energy spectrum X-ray imaging system based on the recognized application scenario and/or priori information; and recognizing the article using the selected parameter mode, wherein the plurality of parameter modes are obtained by optimizing system parameters of the multi-energy spectrum X-ray imaging system under a specific condition using a training sample library for various articles.

Abstract: Inspection devices and inspection methods are disclosed. The inspection method includes: performing X-ray scanning on an object being inspected so as to generate an image of the object being inspected; dividing the image of the object being inspected to determine at least one region of interest; detecting interaction between a cosmic ray and the region of interest to obtain a detection value; calculating a scattering characteristic value and/or an absorption characteristic value of the cosmic ray in the region of interest based on size information of the region of interest and the detection value; and discriminating a material attribute of the region of interest by means of the scattering characteristic value and/or the absorption characteristic value. With the above technical solutions, inspection accuracy and inspection efficiency may be improved.

Abstract: The present disclosure provides an apparatus for processing signals for a plurality of energy regions, and a system and method for detecting radiation of a plurality of energy regions. The apparatus for processing signals for a plurality of energy regions may comprise: a first processor, configured to receive a signal from a detector and process the received signal to generate a gated signal, wherein a turn-on period of the gated signal represents magnitude of the received signal; and a second processor, configured to receive the gated signal from the first processor, and determine one of the plurality of energy regions to which the received signal belongs according to the turn-on period of the gated signal, so as to count signals within the determined energy region.

Abstract: A semiconductor detector and a packaging method thereof. The semiconductor detector includes: a cathode circuit board including a read out chip, a high voltage side top layer of the cathode circuit board, a bottom connection layer of the cathode circuit board and a dielectric filled between the high voltage side top layer and the bottom connection layer, wherein the high voltage side top layer is connected to the bottom connection layer through a via hole; and a detector crystal including a crystal body, an anode and a cathode, the anode is connected to the read out chip of the cathode circuit board, the high voltage side top layer is connected to an input terminal of the semiconductor detector and the bottom connection layer directly contacts the cathode of the detector crystal to connect the cathode to the cathode circuit board.

Abstract: There is provided a semiconductor detector. According to an embodiment, the semiconductor detector may include a semiconductor detection material including a first side and a second side opposite to each other. One of the first side and the second side is a ray incident side that receives incident rays. The detector may further include a plurality of pixel cathodes disposed on the first side and a plurality of pixel anodes disposed on the second side. The pixel anodes and the pixel cathodes correspond to each other one by one. The detector may further include a barrier electrode disposed on a periphery of respective one of the pixel cathodes or pixel anodes on the ray incident side. According to the embodiment of the present disclosure, it is possible to effectively suppress charge sharing between the pixels and thus to improve an imaging resolution of the detector.

Abstract: The present disclosure provides a semiconductor detector. The semiconductor detector comprises: a detector crystal including a crystal body, an anode and a cathode; a field enhance electrode for applying a voltage to the detector crystal; an insulating material disposed between the field enhanced electrode and a surface of the detector crystal. The semiconductor detector further comprises a field enhanced electrode circuit board having a bottom connection layer in contact with the surface of the detector crystal and a top layer opposite to the bottom connection layer, wherein the top layer is connected to a high voltage input terminal of the semiconductor detector, and an insulating material is provided between the bottom connection layer and the detector surface of the detector crystal.

Abstract: The disclosure provides a detector, and a detecting system and method for dividing energy regions intelligently.

Abstract: A semiconductor may include a semiconductor detection material including a first side and a second side opposite to each other, a cathode disposed on the first side, and an anode disposed on the second side. The anode includes an array of pixel anodes defining detection pixels of the semiconductor detector, and intermediate anodes disposed between adjacent ones of the pixel anodes. According to an embodiment of the present disclosure, it is possible to achieve signal correction to improve the energy resolution and the signal-to-noise ratio of the detector.

Abstract: The present application relates to a method, apparatus and system for inspecting an object based on a cosmic ray, pertaining to the technical field of radiometric imaging and safety inspection. The method includes: recording a movement trajectory of an inspected object by using a monitoring device; acquiring information of charged particles in the cosmic ray by using a position-sensitive detector, the information of charged particles comprising trajectory information of the charged particles; performing position coincidence for the movement trajectory and the trajectory information to determine the object; performing trajectory remodeling for the charged particles according to the information of charged particles; and identifying a material inside the moving object according to the trajectory remodeling.

Abstract: The present disclosure relates to a method, a device and a system for inspecting a moving object based on cosmic rays, pertaining to the field of radiation imaging and safety inspection techniques. The method includes: detecting whether a speed of the inspected moving object is within a preset range; recording a motion trajectory of the moving object with a monitoring device; acquiring information about charged particles in the cosmic rays with a position sensitive detector, the information about charged particles including track information of the charged particles; determining the moving object by matching positions of the motion trajectory and the track information; reconstructing the track of the charged particles according to the information about the charged particles; and recognizing the material inside the moving object based on the track reconstruction.

Abstract: An LED integrated packaging light source module is provided, which includes a substrate, a plurality of bowl-shaped reflective cups is disposed on the substrate, a blue light LED chip or a red-light LED chip is disposed inside each reflective cup, the ratio between the number of the blue light LED chips and the number of the red-light LED chips on the substrate is 2:1, and a mixed colloid of yellow and green fluorescent powders is coated on the blue light LED chip. In the LED integrated packaging light source module, the bowl-shaped reflective cups set on a substrate, on one aspect, enhance the light emission efficiencies of the blue light LED chip and the red-light LED chip, and on another aspect, improve the heat dissipation of the blue light LED chip, so as to prevent the heat generated by the blue light LED chip from affecting the red-light LED chip, thereby enhancing the reliability of the entire integrated packaging light source module.

Abstract: An LED integrated packaging light source module is provided, which includes a substrate, a plurality of bowl-shaped reflective cups is disposed on the substrate, a blue light LED chip or a red-light LED chip is disposed inside each reflective cup, the ratio between the number of the blue light LED chips and the number of the red-light LED chips on the substrate is 2:1, and a mixed colloid of yellow and green fluorescent powders is coated on the blue light LED chip. In the LED integrated packaging light source module, the bowl-shaped reflective cups set on a substrate, on one aspect, enhance the light emission efficiencies of the blue light LED chip and the red-light LED chip, and on another aspect, improve the heat dissipation of the blue light LED chip, so as to prevent the heat generated by the blue light LED chip from affecting the red-light LED chip, thereby enhancing the reliability of the entire integrated packaging light source module.

Abstract: The present invention relates to a liquid-solid rolling bonding method for heterogeneous metals and an apparatus therefor. The method comprises: pouring a liquid metal onto the surface of a heterogeneous solid base metal coated with a soldering flux; rolling the liquid metal and the solid metal under pressure; solidifying the liquid metal and making it bond to the surface of the solid base metal under rapid cooling to realize metallurgical bonding of the two or more metals. The apparatus comprises an unrolling machine, a soldering flux tank, a drying-heating apparatus, a pouring nozzle, an interior water-cooling rollers and a roll-collecting machine arranged in order, a pouring basket is disposed above the pouring nozzle and a base frame is disposed below the pouring nozzle. The present invention has the advantages of high bonding strength, lower production cost, high production efficiency, good product quality, fewer investment for the apparatus and lower consumption of energy.

Abstract: The present invention relates to a liquid-solid rolling bonding method for heterogeneous metals and an apparatus therefor. The method comprises: pouring a liquid metal onto the surface of a heterogeneous solid base metal coated with a soldering flux; rolling the liquid metal and the solid metal under pressure; solidifying the liquid metal and making it bond to the surface of the solid base metal under rapid cooling to realize metallurgical bonding of the two or more metals. The apparatus comprises an unrolling machine, a soldering flux tank, a drying-heating apparatus, a pouring nozzle, an interior water-cooling rollers and a roll-collecting machine arranged in order, a pouring basket is disposed above the pouring nozzle and a base frame is disposed below the pouring nozzle. The present invention has the advantages of high bonding strength, lower production cost, high production efficiency, good product quality, fewer investment for the apparatus and lower consumption of energy.