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121 results about "Radiation rays" patented technology

X-rays are a form of electromagnetic radiation, as are radio waves, infrared radiation, visible light, ultraviolet radiation and microwaves. One of the most common and beneficial uses of X-rays is for medical imaging. X-rays are also used in treating cancer and in exploring the cosmos.

Experimental equipment for irradiation optimization of mouse feed

ActiveCN222129253UImprove your own automation efficiencyFeeding-stuffFood preservationProcess engineeringRadiation rays
The utility model discloses experimental equipment for irradiation optimization of mouse feed, which relates to the technical field of feed sterilization and comprises a sterilization machine main body and storage frames, a conveying belt is mounted in the middle of the sterilization machine main body, a blanking plate is mounted on the left side of the conveying belt, and a plurality of storage frames are arranged below the blanking plate. The experimental equipment provided by the utility model has an automatic feed conveying function, after the sterilization machine main body sterilizes and kills mouse feed by utilizing the first radiation unit and the second radiation unit in the sterilization machine main body, the mouse feed can be conveyed into the storage frame and then is transferred to a specified position by utilizing the moving trolley, an operator only needs to control and program the moving trolley, and the operation is convenient. The operation mode that an operator manually transfers the feed is not needed, the automation efficiency of the equipment is improved, the equipment provides different radiation units, which kind of radiation unit is more suitable can be known after feed comparison, and then specific radiation rays are selected for the specified feed.
Owner:ZHONGJIN IRRADIATION CHONGQING CO LTD

Non-scattering nanostructures of silicon pixel image sensors

Provided are systems, methods, and apparatuses for non-scattering nanostructures of silicon pixel image sensors. In one or more examples, the systems, devices, and methods include forming a metal layer on a substrate layer of the pixel, the metal layer to reflect electromagnetic radiation incident on the pixel; forming a photodetector on a silicon layer of the pixel, the photodetector to generate photoelectrons based on the electromagnetic radiation; and forming a passivation layer over the silicon layer, the passivation layer including a thin film dielectric. In one or more examples, the systems, devices, and methods include forming a nanostructure on the passivation layer, the nanostructure to allow the electromagnetic radiation to pass through the nanostructure and steer the electromagnetic radiation linearly towards the photodetector, and forming a microlens on the nanostructure, the microlens including at least one of a flat coat layer or a curved lensing layer.
Owner:SAMSUNG ELECTRONICS CO LTD

Functional composite one-dimensional metal cavity slot array antenna and array thereof

The invention provides a functional composite one-dimensional metal cavity slot array antenna, which belongs to the field of antennae, and comprises a feed cavity and a cover plate located at the top of the feed cavity, a plurality of groups of periodic intermediate-frequency anti-interference metal blocks and high-frequency anti-interference metal blocks are arranged in the feed cavity, and a radiation slot is formed in the cover plate. The polarization conversion structures are arranged on the two sides of the radiation slot in a stepped and open manner to form an undulating shape; an antenna array is also provided. An anti-interference periodic structure is embedded in the feed cavity, the antenna is endowed with anti-interference capacity in multiple different frequency bands, the polarization conversion structures are arranged on the two sides of the radiation slot in a stepped and open mode to form an undulating shape, an electromagnetic signal is input into the feed cavity, linearly polarized electromagnetic waves are radiated outwards through the radiation slot, and the antenna is formed. Linear polarization electromagnetic waves are decomposed into a group of orthogonal components with the same amplitude after passing through the polarization conversion structure, a 90-degree phase difference exists between the two components, circular polarization is formed to radiate towards the space, the polarization conversion structure is simple in structure and convenient to process, and the scattering characteristic of the antenna is improved.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Material sorting method and material sorting device

The invention provides a material sorting method, and relates to the field of material sorting, the field of radiation inspection or other fields. The method comprises the following steps: controlling at least one of a radiation source and a detector to move in response to the condition that particle size information of a to-be-sorted material meets a preset condition, so as to obtain a radiation distance and a detection distance matched with the particle size information; the radiation source is controlled to send radiation rays to the to-be-sorted materials based on the radiation distance, the detector is controlled to receive a ray signal of the radiation rays based on the detection distance, and a radiation image is obtained; and sorting the to-be-sorted materials according to the radiation image. The invention further provides a material sorting device.
Owner:NUCTECH CO LTD +1

Anti-radiation aggregate, preparation method thereof and high-strength anti-crack anti-radiation concrete

The invention discloses an anti-radiation aggregate, a preparation method thereof and high-strength anti-crack anti-radiation concrete, and belongs to the technical field of concrete. Comprising the following steps: S1, uniformly mixing lead powder, iron ore powder and barium cement, adding hydrogen peroxide and water, granulating, curing and heating at high temperature to obtain an aggregate core; s2, soaking the aggregate core in a mixed solution of sodium alginate and boron fibers, and then spraying the aggregate core with a calcium chloride aqueous solution to obtain aggregate particles; and S3, uniformly mixing red mud and graphite powder, calcining at 800-900 DEG C, grinding, sieving, uniformly mixing with an alkaline activator, adding water to obtain slurry, mixing the slurry with aggregate particles, and molding to obtain the composite material. The anti-radiation aggregate disclosed by the invention can attenuate radiation energy in a gradient manner, and has excellent speed reduction, weakening and absorption effects on radiation rays. Meanwhile, the anti-radiation aggregate disclosed by the invention has the characteristics of relatively small apparent density and high strength, concrete segregation and layering can be avoided, and the working and mechanical properties of the concrete are improved.
Owner:JIANGSU CHINA CONSTR COMMERCIAL CONCRETE CO LTD +1

Radiation detection panel, preparation method thereof and radiation detector

The invention provides a radiation detection panel, a preparation method thereof and a radiation detector, and relates to the technical field of high-energy ray detection. The radiation detection panel comprises a detection substrate and a scintillator layer located on one side of the detection substrate. The scintillator layer is provided with scintillator units arranged in an array; the scintillator unit comprises at least two layers of stacked scintillator subunits; in any two adjacent layers of scintillator subunits, the conversion rate of the scintillator subunit close to one side of the detection substrate to the radiation is greater than the conversion rate of the scintillator subunit far away from one side of the detection substrate to the radiation; and the tolerance of the scintillator subunits close to one side of the detection substrate to the radiation rays is smaller than the tolerance of the scintillator subunits far away from one side of the detection substrate to the radiation rays. According to the radiation detection panel provided by the invention, a low-dose radiation source can be adopted, and high-resolution radiation imaging can be obtained.
Owner:BEIJING BOE SENSOR TECH CO LTD +1

Radiation-sensitive composition, pattern formation method, and radiation-sensitive acid generator

The purpose of the present invention is to provide: a radiation-sensitive composition capable of forming a resist film that can exhibit sensitivity and CDU at satisfactory levels when next-generation technology is applied and can suppress development defects; and a pattern formation method. The purpose of the present invention is also to provide a radiation-sensitive acid generator that can be applied to said radiation-sensitive composition. The present invention relates to a radiation-sensitive composition containing: a polymer (A) containing a structural unit (I) having an acid-dissociable group; a radiation-sensitive acid generator (B) represented by formula (1); and a solvent (C). (In formula (1): A is an (n1+n2+n3+1)-valent aromatic ring; R1 is a nitro group, a cyano group, a hydroxy group, an amino group, or a monovalent organic group; when there are multiple R1s, the multiple R1s are the same or different from one another; n1 is an integer of 1-5; n2 is an integer of 1-5; n3 is an integer of 0-5; m2 is an integer of 1-3; L is a single bond or an (m2+1)-valent linking group; Rf1 and Rf2 are each independently a fluorine atom or a monovalent fluorinated hydrocarbon group having 1-20 carbon atoms; Rf3 and Rf4 are each independently a hydrogen atom, a fluorine atom, a monovalent hydrocarbon group having 1-20 carbon atoms, or a monovalent fluorinated hydrocarbon group having 1-20 carbon atoms; when there are multiple Rf3s and multiple Rf4s, the multiple Rf3s and the multiple Rf4s may each be the same or different from one another; m1 is an integer of 0-10; and M+ is a monovalent onium cation.
Owner:JSR CORPORATION

Method for generating sun-like white light through LED mixing and LED lamp set

The invention relates to the field of LED healthy lighting, and discloses a method for generating sun-like white light through LED mixing and an LED lamp set. Comprising the steps that the color point of each LED lamp bead is determined around a black-body radiation ray, and each LED lamp bead is independently packaged and comprises an LED chip with a specific peak wavelength and various kinds of fluorescent powder; determining l target type solar white light color points on the black body radiation line, and calculating to obtain l groups of luminous flux parameters; and selecting one group of luminous flux parameters from the l groups of luminous flux parameters according to a preset target, and controlling the m LED lamp beads to form mixed light, namely sun-like white light. According to the combination of different intensities of various light sources, the problem that an existing full-spectrum white-light LED emits white light by exciting fluorescent powder from a single wave band and has a single color temperature is changed into multi-wave-band LED chip mixed dimming, the sunken part of the wave band about 480 nm of the spectrum is filled, the color rendering index is higher, the mixed spectrum is more continuous, and the light emitting efficiency is improved. And sunlight-like dimming along black-body radiation rays can be realized.
Owner:JIANGSU INST OF ADVANCED SEMICON CO LTD

Material identification method and material identification device

The invention provides a material identification method, which comprises the steps that a target object is scanned in response to radiation rays, a plurality of detector modules of a radiation detector are used for detecting radiation ray signals, the detector modules are arranged at different positions, and ray signal channels are mutually independent; according to the radiation ray signal detected by each detector module, N ray indexes corresponding to the position where each detector module is located are calculated, and N is an integer larger than or equal to 1; and identifying the material of the target object according to the index values of each ray index at different positions. The invention further discloses a material recognition device.
Owner:NUCTECH CO LTD +1

Radioactive substance and radiation power conversion device thereof

The invention relates to the technical scheme. The invention belongs to the field of new energy and nuclear energy battery technology. The method is a comprehensive and systematic method for directly converting radioactive substances and radiation of the radioactive substances into electric energy. The utilization of radioactive substances is the utilization of a contact potential effect existing among substances with different Fermi levels. The utilization of the radiation is the utilization of the contact potential effect of a non-Fermi level; according to the technical scheme, the contact potential effect formed by the electric potential generated by radiation rays and radiation on a polar plate is utilized, and the effect is converted into electric energy capable of being actually utilized under the action of a medium which has conductivity and controls voltage and limits conductivity under a certain condition.
Owner:金在杰

Two-dimensional wide-angle scanning phased array based on electromagnetic metasurface

The invention particularly relates to a two-dimensional wide-angle scanning phased array based on an electromagnetic metasurface, which comprises a radiation antenna and an electromagnetic band gap structure, the radiation antenna and the electromagnetic band gap structure are in coplanar design, the radiation antenna is positioned in the middle of the electromagnetic band gap structure, the upper layer of the electromagnetic band gap structure is metal with a hexagon and a rectangular branch, and the lower layer of the electromagnetic band gap structure is metal. The lower layer is the bottom of the dielectric substrate and is also made of metal, and the middle is a metalized via hole penetrating through the upper and lower layer metal. Wide beams are realized by utilizing leaky wave characteristics of an electromagnetic band gap structure and a left-right hand mode regulation and control line antenna beam in dispersion analysis, the whole antenna is of a planar structure and is only composed of a layer of dielectric substrate, the antenna array is arranged in a rectangular shape to form a two-dimensional antenna array surface, and the antenna has the characteristics of low profile, wide beam, wide angle scanning and low cost, and is suitable for large-scale popularization and application. And the structure is simple and the debugging difficulty is low.
Owner:XIAN UNIV OF POSTS & TELECOMM

Check device

A check device, comprising a bearing frame (1), a check apparatus (2) and a pressure measurement part. The check apparatus (2) is mounted inside the bearing frame (1), the check apparatus (2) being configured to emit radiation rays to an object to be checked so as to obtain a scanned image of said object. The pressure measurement part is connected to the bearing frame (1), wherein the pressure measurement part comprises N measurement mechanisms (3), the N measurement mechanisms (3) being used for measuring pressure values applied by the bearing frame (1) to N positions, and N being an integer greater than or equal to 1.
Owner:NUCTECH CO LTD +1

Collimator module, collimator, detector module and imaging device

Embodiments of the present application provide a collimator module, a collimator, a detector module and an imaging device. The collimator module comprises a plurality of first shielding sheets, the plurality of first shielding sheets are arranged at intervals, the first shielding sheets extend along a first direction, and each of the first shielding sheets comprises a main body portion and a protruding portion extending from at least one end of the main body portion; and a plurality of second shielding sheets, the second shielding sheets extend along a second direction perpendicular to the first direction, and each of the second shielding sheets comprises at least one end shielding sheet connected to at least one end of the main body portion of the first shielding sheet, and the protruding portion of the first shielding sheet extends beyond the end shielding sheet. The protruding portion of the first shielding sheet can prevent the radiation passing through the gap between the collimator modules from irradiating some channels of the scintillator, so that the detector module can achieve imaging balance on all channels, and the imaging quality of the detector module is improved.
Owner:GE PRECISION HEALTHCARE LLC

Anti-warping multilayer FPC antenna

The utility model discloses an anti-warping multilayer FPC antenna, comprising an FPC body comprising a first protection layer, a radiation line layer, a flexible substrate, a grounding layer, an insulation layer and a second protection layer which are stacked in sequence, the radiation line layer comprises a main radiation body and a branch radiation body which are connected, and the grounding layer is provided with an abdicating gap; the micro-strip feeder line is arranged between the insulating layer and the second protective layer, one end of the micro-strip feeder line directly faces the main radiator and is arranged in the abdicating gap, and a feed connection structure is arranged between one end of the micro-strip feeder line and the main radiator; the stress adjusting structure comprises a plurality of reinforcing ribs and a plurality of round holes penetrating through the FPC body, all the reinforcing ribs are distributed on one side of the second protection layer at equal intervals, and intervals are formed between the round holes and the main radiator, between the round holes and the branch radiators and between the round holes and the microstrip feeder. The cable is wide in area and application range, can reduce the stress formed during bending, is good in anti-warping performance, and is reliable in signal transmission.
Owner:DONGGUAN BOYONGKAI ELECTRONIC TECH CO LTD

Actinic ray-sensitive or radiation-sensitive resin composition, resist film, pattern forming method, and method for producing electronic device

The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition that can obtain a pattern with excellent LWR performance even under long-term storage. In addition, a resist film, a pattern forming method and a method for manufacturing an electronic device related to the above-mentioned actinic ray-sensitive or radiation-sensitive resin composition are provided. The actinic ray-sensitive or radiation-sensitive resin composition comprises a compound represented by the general formula (I) and an acid-decomposable resin. M1 + A ‑ ‑L‑B ‑ M2 + (I)
Owner:FUJIFILM CORP

Thickness measuring device, ceramic green sheet manufacturing device, and ceramic green sheet manufacturing method

The invention provides a thickness measuring device capable of measuring the thickness of a coating film functional sheet formed on a carrying sheet with high precision, and also provides a ceramic green sheet manufacturing device and a ceramic green sheet manufacturing method using the thickness measuring device. A thickness measurement device (1) for measuring the thickness of a coating film (20) formed on a carrier sheet (10) being conveyed includes: a first measurement unit (1A) for acquiring thickness information of the carrier sheet (10) before the coating film (20) is formed and acquiring a first position by irradiation with light; a second measurement unit (1B) that acquires thickness information of the mounting sheet (10) and the coating film (20) after the coating film (20) is formed by irradiation with radiation, and acquires a second position; and a calculation processing unit that calculates the thickness of the coating film on the basis of the thickness information of the mounting sheet at the first position and the thickness information at the second position.
Owner:MURATA MFG CO LTD

Light emitting device

PendingCN121803831Alimited purityLimited color rendering indexLight source combinationsElectrical apparatusBlack-body radiationRadiation rays
The light-emitting device provided by the embodiment of the invention comprises an RGB light-emitting assembly and a spectrum supplementing unit, the RGB light-emitting component comprises a blue light unit, a green light unit and a red light unit of which the color purity is greater than 0.7; the RGB light-emitting assembly is used for providing color light and participating in dimming of mixed white light; the spectrum supplementing unit is used for emitting warm white light to supplement light emitted by the RGB assembly so as to emit mixed white light with the color tolerance smaller than 5SDCM; the CRI (Ra) of the spectrum supplementing unit is smaller than 75, so that the light-emitting device can emit mixed white light close to blackbody radiation within the range of 1800-2700 K through the matching of the light intensity proportion between the red light unit and the spectrum supplementing unit. The light-emitting device can realize that mixed white light is closer to blackbody radiation rays in a range of 1800K-6500K.
Owner:BRIDGELUX OPTOELECTRONICS (XIAMEN) CO LTD

Method of hybrid production of sun-like white light by LEDs and LED lamp set

The application relates to the field of LED health lighting, and discloses a method for LED mixed generation of sunlight-like white light and an LED lamp set. The method comprises the following steps: determining the color points of each LED lamp bead around a blackbody radiation line, independently packaging each LED lamp bead, and comprising LED chips with specific peak wavelengths and various fluorescent powders; determining l target sunlight-like white light color points on the blackbody radiation line, and calculating l groups of luminous flux parameters; selecting a group of luminous flux parameters from the l groups of luminous flux parameters according to a preset target, and using the group of luminous flux parameters to control the m LED lamp beads to form mixed light, i.e. sunlight-like white light. According to the combination of different intensities of various light sources, the application changes the single waveband excitation of fluorescent powder for emitting white light by the existing full-spectrum white light LED into multi-waveband LED chip mixed dimming, fills the gap of the spectrum of about 480 nm, has a higher color rendering index, and has a more continuous mixed spectrum, and can realize sunlight-like dimming along the blackbody radiation line.
Owner:JIANGSU INST OF ADVANCED SEMICON CO LTD

Energy spectrum measurement device and method for tough-induced radiation X-rays

The invention discloses an energy spectrum measurement device and method for tough-induced radiation X-rays, and relates to the field of ray detection and measurement, and the device comprises a collimator, a shielding body, a multi-layer absorption measurement assembly and a processor. An X-ray collimation hole channel is formed in the collimator; the shielding body and the collimator are coaxially mounted; a mounting hole channel is formed in the shielding body; the multi-layer absorption measurement assembly is arranged in the mounting hole channel of the shielding body; the multi-layer absorption measurement assembly comprises a plurality of absorption sheets and a plurality of Si dosage sheets which are sequentially arranged at intervals; after electron beam tough radiation X-rays pass through the X-ray collimation hole channel of the collimator, X-ray irradiation is carried out on the multi-layer absorption measurement assembly in the mounting hole channel of the shielding body; the processor is used for determining the energy spectrum data of the electron beam tough radiation X-ray according to the X-ray absorbed dose of each Si dose sheet. According to the invention, the measurement of the electron beam tough-induced radiation MeV wide-energy-region X-ray energy spectrum is realized.
Owner:LANZHOU UNIV

Plasma generation mechanism and light source device

To provide a plasma generation mechanism and a light source device which can prevent accumulation of debris generated with plasma generation.SOLUTION: A plasma generation mechanism is provided on a light source device for converting a liquid plasma raw material into plasma by irradiation with an energy beam and taking out radiation rays, and includes a rotor, a rotation driving source, a raw material supply part, a shielding part, a heating mechanism, and a liquid guiding part. The rotor has a rotation surface which is a surface rotated around a rotation axis. The rotation driving source rotates the rotor around the rotation axis. The raw material supply part supplies the plasma raw material to the rotation surface. The shielding part faces an irradiation position irradiated with the energy beam in the rotation surface. The heating mechanism heats the shielding part to a temperature equal to or higher than the melting point of the plasma raw material. The liquid guiding part guides the plasma raw material flowing from the shielding part into the raw material supply part.SELECTED DRAWING: Figure 4
Owner:USHIO INC

A heating device for a heating system

The present invention belongs to the technical field of heating devices, and discloses a heating device for a heating system, including a furnace body and a medium circulation buffer cavity, and also including a heating module, which is arranged inside the furnace body for conveying circulating medium, a heating module, which is arranged on the furnace body and extends to the inner side of the heating module for heating the medium in the heating module, and a conveying module, which is arranged on the furnace body for connecting the medium circulation buffer cavity and the medium in the heating module; the present invention forms a honeycomb heating module through various splicing units, which are distributed and arranged therein, and heat radiation rays are uniformly emitted outward through medium combustion, so that the periphery of the honeycomb heating module can be uniformly heated, thereby improving the heat absorption capacity. The arrangement and design of the heat radiation itself evenly disperse the heat radiation, so the present application directional constrains the heat radiation direction in the combustion form of the flame and the arrangement of the heat radiation tube, and improves the utilization efficiency of the heat radiation.
Owner:SHANXI AOTONG ENVIRONMENTAL PROTECTION AUTOMATIC BOILER

Light emitting device

The embodiment of the utility model provides a light emitting device. The light-emitting device comprises two first light-emitting units, the range of color coordinates x of the first light-emitting units is 0.6 > x > 0.53, and color points of the first light-emitting units are close to black-body radiation rays; the range of the color coordinate x of the second light-emitting unit is 0.48 > x > 0.4, and the color point of the second light-emitting unit is above the black body radiation ray; the range of the color coordinate x of the third light-emitting unit is 0.24 > x > 0.18, and the color point of the third light-emitting unit is above the black body radiation ray; moreover, the area enclosed by the color points of the first light-emitting unit, the second light-emitting unit and the third light-emitting unit covers the area with the color temperature range of 1800K-10000K on the black body radiation ray, large-range color temperature dimming can be realized, and CIExy is enabled to be attached to the black body radiation ray for dimming in the dimming process of the product.
Owner:BRIDGELUX OPTOELECTRONICS (XIAMEN) CO LTD

Radiation shielding type high-strength ceramsite based on lead zinc ore tailings and preparation method of radiation shielding type high-strength ceramsite

The invention discloses radiation shielding type high-strength ceramsite based on lead-zinc ore tailings and a preparation method of the radiation shielding type high-strength ceramsite, and relates to the technical field of radiation protection concrete. The lead-zinc ore tailings containing more Pb elements are used as main ceramic forming raw materials, a proper amount of lead-rich raw materials are used as auxiliary materials to adjust the content of the Pb elements, a proper amount of boron-rich raw materials are used as auxiliary materials to adjust the content of the B elements, and the composite powder with the proper content of the Pb elements and the proper content of the B elements is prepared. The efficient shielding effect of the Pb element and the B element on gamma rays and neutron radiation is fully exerted, and the sintering temperature of the ceramsite is remarkably reduced. In addition, a proper amount of fly ash floating beads with spheroidal cavity structures are introduced as a pore-forming template, so that the purpose of regulating and controlling the density grade of the ceramsite is achieved, and the problem that the concrete structure is not uniform due to the fact that the density of aggregate is not matched with that of a cementing material is solved. The prepared ceramsite has relatively high strength and a good radiation shielding coefficient, and has a density similar to that of a cementing material.
Owner:HUNAN INST OF TECH

Low thermal budget laser annealing

The embodiments herein provide thermal processing apparatus. The thermal processing apparatus includes a radiation module configured to generate a line of radiation for an annealing process, a substrate support configured to receive a substrate thereon, and a translation mechanism. The substrate support includes one or more channels configured to flow a working fluid therethrough. The working fluid is configured to enable a bottom surface of the substrate disposed upon the substrate support to be cooled to a temperature of about 200°C to about -200°C during the annealing process. The translation mechanism is configured to translate the substrate support and the line of radiation relative to one another.
Owner:APPLIED MATERIALS INC

Radiator, antenna and device

A radiator (14) has a plurality of radiation lines (18), where each radiation line (18) includes a shield conductor (26) and an exposed conductor (28). The shield conductor (26) and the exposed conductor (28) of each radiation line (18) extend parallel to each other, and the exposed conductor (28) surrounds the shield conductor (26). The radiation lines (18) are arranged parallel to each other. The shielding conductor (26) and the exposed conductor (28) of the same radiation line (18) are electrically insulated from each other at least between the first end (30) and the second end (32) of the radiation line (18). The shielded conductor (26) of one of the radiation lines (18) is electrically connected by a bridge (20) to the exposed conductor (28) of at least one of the other radiation lines (18). Furthermore, an antenna (12) and a device (10) are shown.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Detection device for detecting the direction of a radioactive source

The present invention discloses a detection device for detecting the orientation of a radioactive source, comprising a circular shell, in which a main control board, a detector and a shielding block are arranged. The shielding block is composed of an upper shielding lead block and a lower shielding lead block that are fixedly connected. The upper shielding lead block and the lower shielding lead block are both arc-shaped and respectively placed on both sides of the center line of the shielding block, and the thickness of the upper shielding lead block gradually increases from left to right, while the thickness of the lower shielding lead block gradually decreases from left to right. The detector is provided with two, namely an upper detector and a lower detector, both of which are cylindrical and arranged up and down, and respectively placed in a semi-enclosed space formed by the upper shielding lead block and the lower shielding lead block. Each detector is connected to the main control board, used for collecting gamma rays in the environment, and generating a number of pulses and transmitting them to the main control board. The main control board judges the orientation of the gamma radiation emitted by the radioactive source according to the number of pulses fed back by each detector and the lead attenuation thickness corresponding to the collected gamma rays.
Owner:CHONGQING JIANAN INSTR

Material sorting method and material sorting device

PCT designated stageWO2026137737A1Imaging qualityRadiation rays
A material sorting method, relating to the field of material sorting, the field of radiation inspection, or other fields. The material sorting method comprises: in response to particle size information of materials to be sorted satisfying a preset condition, controlling at least one of a ray source (221) and a detector (222) to move, so as to obtain a radiation distance and a detection distance matching the particle size information; controlling the ray source (221) to emit radiation rays toward the materials on the basis of the radiation distance, and controlling the detector (222) to receive ray signals of the radiation rays on the basis of the detection distance, so as to obtain a radiation image; and sorting the materials on the basis of the radiation image. Further provided is a material sorting device. The material sorting method and device can improve the image quality of imaging and the accuracy of subsequent steps such as analysis and identification.
Owner:NUCTECH CO LTD +1

System and method for PET imaging

The present disclosure relates to a system for imaging. The system may include a supporting assembly and a detector assembly. The supporting assembly may include a detection region to accommodate a subject. The detector assembly may surround the detection region. The detector assembly may be configured to detect radiation rays emitted from the subject located within the detection region. The detector assembly may include a plurality of detector rings. Each detector ring may include a scintillator array and a plurality of photosensors. The plurality of detector rings may be arranged on the supporting assembly in an axial direction of the supporting assembly to form an axial field of view (FOV) having a length no less than 0.75 meters.
Owner:SHANGHAI UNITED IMAGING HEALTHCARE

Multi-frequency antenna

The invention provides a multi-frequency antenna. The multi-frequency antenna comprises a plurality of main radiation units and a plurality of auxiliary radiation units, the main radiation units are arranged on the bottom plate in an array mode, and the auxiliary radiation units are arranged between the main radiation units at intervals. Each auxiliary radiation unit comprises a dielectric substrate, a radiation line and a Balun plate; the dielectric substrate is recessed to form a slot and a plurality of notches symmetrically arranged about the slot, and the radiation lines are fixedly arranged between the notches; and one end of the balun plate is embedded into the slot, and the other end of the balun plate is connected with the feeder line. According to the invention, the auxiliary radiation units are nested between the main radiation units, and each gap is segmented by the radiation line, so that the influence of the main radiation units on the auxiliary radiation units is improved, and a multi-band radiation array is constructed.
Owner:MOBILE ANTENNA TECH SHENZHEN +5

Inspection apparatus

The application provides an inspection equipment, comprising a bearing frame, an inspection device and a pressure detection part; the inspection device is installed inside the bearing frame and is configured to emit radiation rays to an object to be inspected to obtain a scanning image of the object to be inspected; the pressure detection part is connected with the bearing frame, wherein the pressure detection part comprises N detection mechanisms, and the N detection mechanisms are used for detecting pressure values applied by the bearing frame at N positions, and N is an integer greater than or equal to 1. The inspection equipment of the application is provided with a plurality of detection mechanisms at the bottom of the bearing frame, the detection mechanisms are used for detecting the pressure values of the corresponding positions of the bearing frame, and based on the pressure values, timely measures can be taken for the areas with relatively large stress of the bearing frame, so that the overall stress of the bearing frame is balanced, and then the ground in contact with the inspection equipment is prevented from being damaged, and the reliable operation of the inspection equipment is ensured.
Owner:NUCTECH CO LTD +1