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92 results about "Radiation processing" patented technology

Method for improving modification of high-permeability bamboo wood

The invention relates to the technical field of bamboo processing and modification treatment, and discloses a method for improving high-permeability bamboo modification, which comprises the following steps: preparing a mixed aqueous solution of 9.25-37 mmol / L of alkali compound and 9.3-27.8 mmol / L of persulfate, and dipping bamboo at normal temperature for 3-6 hours; the soaked bamboo wood is heated and activated, and the activation mode is selected from one of 60-80 DEG C constant-temperature water bath treatment, 300-550 W microwave radiation treatment or 100-400 W ultrasonic radiation treatment; and after the activated bamboo wood is cleaned to be neutral, freeze drying is conducted at the temperature ranging from-50 DEG C to-70 DEG C. According to the method, free radicals generated by alkali liquor swelling and synergistic thermal activation of persulfate are utilized, bamboo blocking pore extracts are oxidized and degraded, a fluid conduction path is dredged, the permeability and porosity of the bamboo are improved, the original mechanical strength of the bamboo is kept, and the technical problems that traditional modified liquid medicine is difficult to permeate, and a skeleton is damaged due to strong base treatment are solved.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Apparatus for bioresonance treatment of a water supply and method of use thereof

An apparatus, system and method for treating a water supply with electromagnetic radiation are disclosed. A bio-resonance apparatus provides light pulses from light-emitting diodes (LEDs) at predefined frequencies, such reinforcing and / or interfering frequencies. The bio-resonance apparatus can be placed in a water line to provide treated water on an as needed basis. The bio-resonance apparatus is wirelessly powered and controlled. A method of extending the shelf-life of one or more vegetables comprises the use of a sprayer system which includes a bio-resonance apparatus to mist the one or more vegetables. A method of improving plant health comprises the use of a plant watering system which includes a bio-resonance apparatus to water a plant. Another method of improving plant health comprises the use of a plant washing system which includes a bio-resonance apparatus to wash a plant.
Owner:WAVE FORCE ELECTRONICS INC

System for determining streamflow duration from remotely-sensed imagery

Systems and methods for determining varying phenomena in an environment. In an embodiment, an system includes a processor configured to receive a sequence of remote sensing data regarding an environment, wherein the environment comprises a target area where changes have occurred and a surrounding area where few or no changes have occurred; process the RS data to determine signals for the changes that have occurred in the target area and where no changes have occurred in the surrounding area, wherein the signals comprise reflected sunlight radiation or returned light or radiation of different wavelengths captured by the sensor; process the signals to determining environment data indicting varying phenomena in the environment, wherein the varying phenomena in the environment comprise changes in the physical characteristics of the target area and an amount of radiation captured by the RS data; and provide the environment data for display via a user device.
Owner:THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIV OF ARIZONA

Battery diaphragm preparation method, battery diaphragm and battery

The invention provides a battery diaphragm preparation method, a battery diaphragm and a battery. The method comprises the following steps: providing a diaphragm substrate; providing a ceramic layer coating dispersion liquid; coating the surface of the isolating membrane base material with the ceramic layer coating dispersion liquid, and forming a ceramic layer on the surface of the isolating membrane base material; and performing radiation treatment on the ceramic layer by adopting a radiation source to obtain the ceramic coating diaphragm. A radiation polymerization mode is adopted, high-energy particle rays are radiated to a coated ceramic layer, an organic polymer is induced to generate free radicals, and a polymer adhesive obtained after cross-linking polymerization forms a larger and higher-molecular-weight polymer network. As the adhesive is higher in strength and smaller in swelling degree, the adhesive force of the ceramic layer to the isolating membrane base material is increased, and the electrolyte absorption is smaller, so that the effects of improving the cell interface and prolonging the cycle life are achieved.
Owner:广州融捷能源科技有限公司

Personal dosimeter

This item is a personal dosimeter worn by workers in radiation handling facilities to detect radiation such as X-rays and gamma rays. The personal dosimeter consists of a main body and a clip. For example, when the main body is inserted into a breast pocket, the fabric of the breast pocket is sandwiched between the main body and the clip. A circuit board mounting a radiation detection unit and electronic circuits, etc. is provided within the main body. The radiation detection unit is located in an enlarged portion of the main body. A liquid crystal display that displays the dose rate, etc. is provided on the bottom of the main body.
Owner:ALOKA CO LTD

Canarium pimela fermentation process and application of fermentation product thereof in wash supplies

The invention provides a canarium pimela fermentation process and application of a fermentation product of the canarium pimela fermentation process in wash supplies. The canarium pimela fermentation process comprises the following steps: soaking canarium pimela in hot water at 80-90 DEG C for 5-10 minutes, then removing kernels, and crushing canarium pimela pulp to obtain fruit pulp; ultraviolet rays with the wavelength of 220-260 nm and the intensity of 15-25 mW / cm < 2 > are adopted for carrying out radiation treatment on the fruit pulp, and the radiation treatment time is 40-80 min; performing mixed fermentation on the fruit pulp subjected to radiation treatment and saccharomycetes at the fermentation temperature of 20-25 DEG C for 20-30 days; and enabling the fermented product to pass through a gap of 0.05-0.15 mm under the pressure of 80-150 MPa, so as to obtain the fermented product. According to the fermentation process, a fermentation product with extremely low tannin content and high activity of effective components such as polyphenols, flavonoids and organic acids can be obtained. The fermentation product has good moisturizing and anti-oxidation effects.
Owner:GUANGZHOU HUASHANG UNIV

Grafted EVA particles and their preparation method, pre-connected grafted EVA film and its preparation process, and lamination process of laminated glass

The present application relates to the field of EVA modification technology, and specifically discloses a grafted EVA particle and a preparation method thereof, a pre-crosslinked grafted EVA film and a preparation process thereof, and a laminated glass lamination process. The raw materials of the grafted EVA particles include EVA, a grafting initiator, and a hydrophilic modifier; the preparation method of the grafted EVA particles is: after mixing the raw materials, add them to a screw extruder for melt extrusion and granulation; the raw materials of the pre-crosslinked grafted EVA film include grafted EVA particles, a photoinitiator, a co-crosslinking agent, and a silane coupling agent; the preparation process of the pre-crosslinked grafted EVA film is: after mixing the raw materials, add them to a screw extruder, extrude through a T-shaped flat die, cast, cool and shape after shaping, and then irradiate; the laminated glass lamination process is: vacuuming the interior of the laminated glass to be treated, heating and maintaining the temperature at 80-120°C to obtain the laminated glass after vacuum heating. The present application has the effect of improving the defect that EVA has poor hydrophilicity, which leads to the generation of fog easily after water vapor enters the laminated glass.
Owner:SHANGRAO HAIYOUWEI APPL FILM CO LTD +2

Radiation processing mold for improving the flexibility of biomembranes

This utility model relates to the field of mold technology and discloses an irradiation processing mold that can improve the flexibility of biomedical membranes. It includes an upper mold with multiple connecting columns fixedly connected to its bottom. A lower mold is located at the bottom of the upper mold, and a template is slidably connected inside the lower mold. A demolding assembly is located at the bottom of the template, and the demolding assembly includes multiple connecting blocks. A support frame is fixedly connected to one side of the lower mold, and a worm gear is rotatably connected inside the support frame. A rotating wheel is fixedly connected to the outer wall of the worm gear. A rotating shaft is rotatably connected inside the lower mold, with support plates rotatably connected to both ends of the rotating shaft. A worm wheel is fixedly connected to the outer wall of the rotating shaft, and the worm wheel meshes with the worm gear. In this utility model, the rotating wheel pushes the template upward inside the lower mold, and the self-locking property between the worm gear and the worm wheel fixes the height of the template, achieving demolding processing of the equipment.
Owner:TIANJIN JPY ION TECH

Rapid microwave radiation treatment device and method for carbon fiber resin-based composite material

PendingCN120228838AFiberPolymer science
According to the technical scheme, the carbon fiber resin matrix composite material microwave radiation rapid treatment device is characterized by comprising a workbench, a first connecting plate is slidably connected into the workbench, microwave treatment plates are rotatably connected to the two sides of the first connecting plate correspondingly, and when the two microwave treatment plates rotate to approach, the microwave treatment plates are connected to the two sides of the first connecting plate correspondingly; when the carbon fiber resin-based plate in the cavity is combusted or exploded in the radiation treatment process, the two rubber protective films are pulled along with movement of the sealing cover, and then the top of the workbench is shielded; due to the fact that the carbon fiber resin base plate is located in the workbench and blocked by the multiple front baffles, the two side baffles and the two rubber protective films, potential safety hazards generated by explosion or combustion can be isolated in the workbench at the moment; therefore, the effect of preventing personnel injury caused by accidents during radiation treatment of the carbon fiber resin-based plate is achieved.
Owner:ZHEJIANG SIDA NEW MATERIAL CO LTD +1

Method for adjusting the gloss level of a substrate as well as substrate

The invention relates to a method for adjusting the gloss level of a coating on a substrate that has been reduced in gloss by radiation treatment, wherein the coating is applied by depositing a radiation-curable fluid onto the substrate, and in a treatment zone, the fluid surface is provided with increased surface waviness and a reduced gloss level by means of radiation treatment, and the fluid is at least partially cured for coating. The invention further relates to a coated substrate produced by such a method.
Owner:INNOVATIVE OBERFLACHENTECH GMBH

Integrated Process Flow for Hybrid Bonding

A process flow for bonding a die to a substrate incorporates defect risk management and yield promotion by reducing flow complexity. In some embodiments, the process flow can include a radiation process on the component substrate to weaken an adhesive bond of the die from a surface of the component substrate, a first wet clean process on the component substrate after the radiation process to clean the die bonding side, an eject and pick process after performing the first wet clean process to remove the die from the component substrate for bonding to the substrate, a plasma activation process on the substrate, a second wet clean process after the plasma activation process on the substrate to clean the substrate bonding side of the substrate, and a hybrid bonding process to bond the die bonding side of the die to the substrate bonding side of the substrate.
Owner:APPLIED MATERIALS INC

Workpiece processing sheet

To provide a workpiece processing sheet which can suppress generation of a cut piece in dicing and suppress unevenness of adhesive force.SOLUTION: There is provided a workpiece processing sheet comprising: a substrate; and an adhesive layer laminated on one surface side on the substrate. The substrate is subjected to electron beam (EB) radiation processing, and the adhesive layer is constituted by an adhesive formed of an adhesive composition including a component having a benzo phenyl structure expressed by the following formula (1). (In formula (1), R1's express a hydrogen atom, or an alkyl group having C1-C18.) The content of a component having a polymerizable carbon-carbon double bond in the adhesive composition is 0.1 mass% or lower in the workpiece processing sheet.SELECTED DRAWING: None
Owner:LINTEC CORP

Radiation image processing device, radiation image processing method, and radiation image processing program

A processor acquires a first radiation image and a second radiation image which are acquired by imaging a subject, which includes a first component consisting of a plurality of compositions and a second component consisting of a single composition, with radiation having different energy distributions, derives a characteristic of the first component related to attenuation of the radiation based on the first and second radiation images in a first component region including only the first component in the first or second radiation image, derives the characteristic of the first component in a second component region including the second component in the first or second radiation image based on the characteristic of the first component derived in the first component region around the second component region, and derives a first component image and a second component image in which the first component and the second component are emphasized, respectively, based on the characteristic of the first component in at least a region of the subject in the first or second radiation image.
Owner:FUJIFILM CORP

An energetic agent for component damage and its preparation method and application

The present application relates to a kind of energetic agent for component damage and its preparation method and application, belong to the technical field of self-destruction of electronic equipment.First, the addition on component meets the requirement on function, add FEP powder treated by ozone-ultraviolet radiation, further increase the oxidizability of FEP, improve the reaction activity of energetic agent, reduce the reaction threshold value, increase the reaction pressure at the same time;Add Ta, Mo and other high melting point, high density metal powder, improve the jet density of energetic agent;Add fluorine rubber, as binder and FEP together to facilitate the compaction of block material.Forming quality of block material is satisfied with self-destruction system, the requirement of energetic agent high calorific value, threshold low, with enough kinetic energy.At the same time, it is also convenient for storage, transportation and use to guarantee the forming quality of block material.
Owner:BEIJING INST OF TECH

Method for repairing defects of pyrolytic carbon materials using coupling agents

The present invention discloses a method for repairing defects in pyrolytic carbon materials using a coupling agent. The method comprises the following steps: sintering a carbon material in an inert atmosphere to obtain a primary calcined carbon material; obtaining an embedded carbon material by electrochemical oxidation or chemical oxidation; obtaining an expanded carbon material by instant high-temperature sintering; performing radiation treatment under plasma or corona conditions, and treating the material with a mixed solution of a newly prepared coupling agent solution and an acid solution or an alkaline solution by spraying and soaking; treating the obtained filter residue with high pressure to obtain a fully grafted carbon material; and post-processing and sintering to obtain a hard carbon material embedded with nano-silicon-carbon microcrystals. The method of the present invention can achieve tight coating of the hard carbon material, and the prepared product has few surface pores, high charge and discharge coulomb efficiency, and good charge and discharge cycle stability.
Owner:NIUBAIDUN (FUZHOU) TECH CO LTD

A heavy water reactor post-irradiation target canister transfer apparatus and method

This invention relates to the field of target box transportation technology after heavy water reactor irradiation. Addressing the problem that existing transportation channels cannot effectively reduce radiation exposure to personnel during the transportation of radioactive target boxes, this invention provides a target box transportation device after heavy water reactor irradiation, comprising a transportation pipe, a shielded transfer container, and a conveyor belt. A negative pressure is established within the transportation pipe to draw the target box into a vertical section. A separator is installed on the vertical section of the transportation pipe to allow the target boxes to enter the shielded transfer container one by one within a shielded box. The shielded transfer container is transported via the conveyor belt. Furthermore, this invention also provides a method for transporting target boxes after heavy water reactor irradiation, sequentially loading the target boxes from the vertical section into designated positions within the shielded transfer container in the shielded box, and completing radiation protection treatment of the target boxes within the shielded box. By loading the irradiated target boxes into a shielded working box, compared to containerized transport, the dose rate in the operation and maintenance area can be reduced from 2 mSv / h to 25 μV / h, significantly reducing the dose level for operators.
Owner:CNNC NUCLEAR POWER OPERATION MANAGEMENT CO LTD +1

A planar RFID antenna

This invention relates to the field of RFID antenna system technology and discloses a planar RFID antenna, comprising a processor, a transceiver module, and an RFID tag module. The RFID tag module includes a second transceiver module, a first radiating module, and a signal integration module. The first transmitting module is used to output a radio frequency signal of a certain frequency to the RFID tag antenna via an RFID reader. The first radiating module is used to radiate the acquired radio frequency signal power in the form of electromagnetic waves. The conductors in the first radiating module are arranged with two conductors spread apart by 180°. A planar array of multi-radiating plates is provided in the first radiating module to spread the electric field in the surrounding space and enhance the radiation of electromagnetic waves. The antenna of this invention enhances and radiates the radio frequency signal, improves the received frequency ratio by using an attached enhancing antenna, and matches the antenna polarization function with the interrogation signal of the reader as much as possible.
Owner:上海开仰实业有限公司

Antifoam compositions comprising branched siloxanes formed by treating linear siloxanes with high-energy radiation

A defoamer or anti-foam formulation and a process for preparing the same. The process includes in a first step, preparing branched organopolysiloxanes (A) by irradiating organopolysiloxanes (X) of the formula (1)R13-a(R2O)aSi—[OSiR32]n—OSi(OR2)aR13-a   (1).Where with high-energy radiation, the viscosity of the organopolysiloxanes (A) is at least 40% higher than the viscosity of the organopolysiloxanes (X). In a second step, the branched organopolysiloxanes (A) are treated with a filler (B) which is selected from precipitated and / or fumed silicas, and organopolysiloxane resins (C).
Owner:WACKER CHEMIE AG

Method and device for carrying out water treatment by combining vacuum ultraviolet with ultrafiltration

The invention relates to a vacuum ultraviolet combined ultrafiltration water treatment method and device, and the method comprises the following steps: carrying out radiation treatment on to-be-treated water: simultaneously emitting dual-wavelength ultraviolet rays of 185 nm and 254 nm through a single-ended vacuum ultraviolet lamp (3), and generating hydroxyl radicals through the ultraviolet rays of 185 nm to degrade organic matters in the to-be-treated water, the water to be treated is disinfected through 254 nm ultraviolet rays; and performing ultrafiltration: filtering the water subjected to radiation treatment in the step S1 through an ultrafiltration membrane assembly (5). Compared with the prior art, the method can solve the problems of disinfection by-products, water toxicity, membrane pollution and the like caused by organic matters in the water and wastewater treatment or disinfection process, and can be used in the field of advanced treatment of drinking water and sewage.
Owner:HAITIAN SHUIWU GRP CO LTD +1

Irradiation processing device capable of endowing biomedical membrane with oxidation resistance

The utility model relates to the technical field of irradiation processing, and discloses an irradiation processing device capable of endowing a biomedical membrane with antioxidation performance, which comprises a support frame, the lower surface of the support frame is fixedly connected with a fixed plate I, the inside of the fixed plate I is fixedly connected with a motor, the output end of the motor is fixedly provided with a threaded rod, and the threaded rod is fixedly connected with the support frame. And the outer wall of the threaded rod is rotatably connected with a second fixing plate, the outer wall of the threaded rod is in threaded connection with a sliding block, the interior of the sliding block is slidably connected with a limiting plate, the interior of the sliding block is fixedly connected with a rotating shaft, and an irradiation assembly is arranged on the upper surface of the supporting frame and used for irradiation. According to the utility model, the motor is started to drive the threaded rod to rotate, simultaneously drive the sliding block to slide, further drive the rotating shaft to rotate, simultaneously drive the rotating plate to rotate, simultaneously drive the sliding shaft to slide and simultaneously drive the turntable to rotate, so that the effect of adjusting the direction of the biomedical film is achieved, further the biomedical film is fully irradiated, and the irradiation efficiency is effectively improved.
Owner:TIANJIN JPY ION TECH

Intelligent processing equipment and method for producing rapid rice noodles by combining superheated steam and microwave radiation

The invention discloses intelligent processing equipment and method for producing rapid rice noodles by combining superheated steam and microwave radiation, and belongs to the technical field of food processing. Comprising a pre-gelatinization area I, a pre-gelatinization area II, a pre-gelatinization area III, a front transition isolation cavity, a superheated steam area, a rear transition isolation cavity, a microwave radiation area and an extrusion forming area, the preparation method comprises the following steps: taking early indica rice, washing with water to remove impurities, soaking, draining, crushing by a semi-dry method, pre-curing, performing superheated steam treatment, performing microwave radiation treatment, and performing extrusion forming, thereby obtaining the rice noodles which are boiling-resistant, easy to cook and chewy in mouth feel. Compared with the traditional rice noodles, the quick rice noodles processed by the method disclosed by the invention are short in production period and high in economic benefit. The superheated steam heat treatment efficiency is high, and the heat stability of the rice noodles can be improved. The microwave radiation treatment is uniform in heating and fast in temperature rise, so that the structure of the rice noodles is tighter. No food additive is added, and the rice noodles are quickly aged by using a superheated steam technology and a microwave radiation technology, so that the quality of the rice noodles is remarkably improved.
Owner:KUNMING UNIV OF SCI & TECH

Radiation-treated fibers, methods of treating and applications for use

The invention relates to radiation-treated reinforcement fibers, reinforced asphalt and portland cement concrete, and grout, methods for producing the same and application for their use. The radiation treatment includes exposing reinforcement fibers to electromagnetic energy, e.g., gamma rays, and / or electron-beam (E-beam) radiation. As a result of the treatment, the radiation-treated reinforcement fibers have a modified or deformed surface, e.g., an abraded and / or porous surface, as compared to reinforcement fibers without a radiation treatment.
Owner:FORTA LLC

Method for preparing chitosan from ganoderma lucidum spore wall waste residues and application of chitosan

The invention provides a method for preparing chitosan from ganoderma lucidum spore wall waste residues and application, and belongs to the technical field of waste resource utilization. The method comprises the following steps: 1) crushing the ganoderma lucidum spore wall waste residues, performing electron beam radiation treatment, mixing the ganoderma lucidum spore wall waste residues with water, sequentially adding cellulase and papain under an ultrasonic condition to perform a step-by-step hydrolysis reaction, centrifuging after the reaction is finished, and collecting a precipitate; 2) mixing the precipitate obtained in the step 1) with a sodium hydroxide solution, adding a surfactant, and treating in an ultrasonic-microwave reactor; and adjusting the pH value to be neutral, centrifuging, and collecting the precipitate to obtain the chitosan. According to the method, low-dose electron beam radiation treatment is adopted, and cellulase and papain are subjected to step-by-step hydrolysis, so that the yield and the deacetylation degree of the chitosan can be improved, and the biocompatibility of the chitosan is improved. When the obtained chitosan is used in the barrier film, the light transmittance can be reduced.
Owner:ZHEJIANG SHOUXIANGU PHARMA CO LTD +2

A power endurance test system

The application provides a power endurance test system, which comprises a power source device, a detection device, a focused field device, a measured piece moving device and an upper computer. The upper computer outputs an initial signal output instruction. The power source device outputs a radio frequency signal according to the initial signal output instruction. The focused field device performs radiation processing and focusing processing on the radio frequency signal to form a focused field test area. The upper computer generates a new signal output instruction according to the actual power density of the focused field test area detected by the detection device, and forms a new focused field test area meeting a target power density through the power source device and the focused field device. After the measured piece moving device moves to the new focused field test area, the detection device detects the temperature rise information of the measured piece in the new focused field test area. The upper computer determines the power endurance of the measured piece under the target power density according to the temperature rise information. The power endurance test can be adapted to higher power and a wider range.
Owner:CHENGDU JIACHI ELECTRONIC TECH CO LTD +1

Bag system for the treatment of a biological fluid by electromagnetic irradiation

The invention relates to a bag system (1) for treating a biological fluid by electromagnetic irradiation. The bag system comprises at least one element consisting of an irradiation bag (2) intended to contain the biological fluid to be irradiated. The irradiation bag (2) is made of a material permeable to the electromagnetic radiation. The bag system (1) further comprises at least one protective film (26a, 26b) covering the irradiation bag (2). The protective film (26a, 26b) is made of a gas barrier polymeric material with an oxygen permeability less than or equal to 100 cm3 / m2 / 24 at a temperature of 23 °C and a relative humidity of 50%.
Owner:MACO PHARMA SA

Integrated process flows for hybrid bonding

A process flow for bonding a die to a substrate incorporates defectivity risk management and yield promotion by reducing flow complexity. In some embodiments, the process flow may include a radiation process on a component substrate to weaken an adhesive bonding of dies from a surface of the component substrate, a first wet clean process on the component substrate after the radiation process to clean die bonding surfaces, eject and pick processes after performing the first wet clean process to remove dies from the component substrate for bonding to a substrate, a plasma activation process on the substrate, a second wet clean process after the plasma activation process on the substrate to clean a substrate bonding surface of the substrate, and a hybrid bonding process to bond die bonding surfaces of the dies to the substrate bonding surface of the substrate.
Owner:APPLIED MATERIALS INC

Organotin compositions with iodo species and radiation sensitive films

Organometallic patterning compositions are modified with iodine to improve radiation sensitivity and reduce radiation dose without significant loss of pattern quality. Iodine can be introduced as ligands to the metal ion and / or through introduction of iodide containing additives. Iodine is found to survive, at least in part, pre-irradiation processing. Thus, iodide ions are maintained in some form in the films being irradiated.
Owner:INPRIA CORP

Irradiation processing device for biomedical film with coating for enhancing biocompatibility

The biomedical film irradiation processing device comprises a conveying pipeline, an inlet is formed in one end of the conveying pipeline, a first sliding groove is formed in the conveying pipeline, a first sliding block is connected into the first sliding groove in a sliding mode, the side surface of the first sliding block is fixedly connected with a containing block, and the containing block is fixedly connected with a second sliding block. A first electric push rod is fixedly connected to the side surface in the conveying pipeline, and a first sliding block is arranged at the movable end of the first electric push rod. Through the structure, the bottom plate, the first supporting column, the conveying pipeline, the inlet, the first sliding groove, the first sliding block, the placing block, the middle block, a second sliding groove, a second sliding block, a smearing device, a first fixing plate, a second electric push rod, an outlet, a third electric push rod, a fourth electric push rod, an irradiation chamber, a bottom inlet and a limiting block, objects needing to be irradiated can be actively fed into the irradiation chamber; contact of workers is reduced, and safety of the workers is guaranteed.
Owner:TIANJIN JPY ION TECH

Radiation processing quality improvement and risk management and control method based on whole-process key parameters

The invention discloses a radiation processing quality improvement and risk management and control method based on overall process key parameters, belongs to the technical field of radiation processing quality control, and aims to solve the problem that corresponding process evidences cannot be provided during high-risk and high-quality requirements or overall process tracing of foreign regulations. The method comprises the following steps: carrying out a PQ test, obtaining a reference processing parameter and a reference absorbed dose D0, determining the reference processing parameter according to the type of irradiation equipment, putting a batch of medical products on line, and deploying real-time monitoring equipment. The real-time monitoring equipment is used for capturing key parameter measured values in the machining process according to a preset sampling frequency; according to the invention, through the monitoring granularity leap from batch compliance to single box compliance, it is ensured that the dose received by each box of products is in a strictly controlled range, and the risk of abnormal intermediate product dose caused by process fluctuation in a traditional method is fundamentally avoided; and real-time recording and long-term tracing of whole-process parameters are realized.
Owner:SHANGHAI SINOTEX HIGH ENERGY TECH

Controllable radiation treatment temperature control system for semiconductor modification

ActiveCN121568542ATemperature controlWafer
The invention relates to a controllable radiation treatment temperature control system for semiconductor modification, and belongs to the technical field of semiconductor treatment systems. The controllable radiation treatment temperature control system for semiconductor modification comprises a positioning table, a temperature control assembly, a heat conduction piece, a sensor and a control module, wherein the positioning table is used for bearing a wafer; the temperature control assembly is used for controlling the temperature; the heat conduction piece is arranged between the positioning table and the temperature control assembly and can rotate. A first heat-conducting bulge is arranged on the edge of one side of the heat-conducting piece towards the positioning table; a second heat-conducting bulge is correspondingly arranged on the edge of one side of the positioning table facing the heat-conducting piece; the sensor is used for detecting the temperature of the central area and the edge area of the wafer; the control module controls the rotation of the heat-conducting member according to the temperature difference between the central region and the edge region of the wafer, so as to adjust the contact area between the first heat-conducting protrusions and the second heat-conducting protrusions. According to the controllable radiation treatment temperature control system for semiconductor modification, a uniform and stable temperature field can be formed on the surface of a wafer.
Owner:CHENGDU GAOTONG ISOTOPE CO LTD