39 results about "Radiation sensitivity" patented technology

The invention provides an anti-radiation high-performance enhanced gallium nitride-based power device and a manufacturing method thereof, and belongs to the technical field of semiconductors. On the basis of a traditional enhanced P-GaN HEMT device structure, a P-type InaGa1-aN back barrier layer, an InbGa1-bN / GaN superlattice layer, a composite gate structure composed of a dielectric layer and a gate Schottky metal layer and a gradient-changing island-shaped P-GaN layer are innovatively introduced, and a pair of composite problems of dynamic resistance instability and radiation sensitivity are cooperatively solved. The device not only maintains the normally-off characteristic and the high threshold voltage of an enhanced device, but also remarkably improves the anti-irradiation capability, the breakdown voltage and the dynamic resistance stability, and is particularly suitable for power electronics in strong irradiation environments such as aerospace and nuclear energy detection.

Methods, systems, and devices for digitally-beamformed antennas are described. For example, an antenna assembly in accordance with the described techniques may include components that are coupled (e.g., bonded, adhered, soldered, fused) with one another, with respective components including different portions of circuitry that support digitally-beamformed signaling. A first component may include antenna elements on a first side of a substrate. A second component (e.g., including analog amplification circuitry coupled with the antenna elements) may be bonded over a first location of a second side of the first component, and a third component (e.g., including analog-to-digital and / or digital-to-analog circuitry coupled with the amplification circuitry) may be bonded over a second location of the second side of the first component. The second and third components may implement different types of semiconductor substrates and / or shielding that is tailored to the respective types of circuitry and / or radiation sensitivity or exposure of the respective components.

The application discloses a heavy atom enhanced calix cyanine dye radioactivity detection colorimetric sensor, the dye is prepared by introducing heavy atoms in the calix cyanine dye skeleton, and the radiation sensitivity is significantly improved; the dye reacts with hydroxyl radicals generated by water radiolysis under the action of radiation, conjugate structure is destroyed, and color change from green to yellow is generated; the application comprises a colorimetric test strip prepared from the dye, and a detection system integrated with a smartphone image recognition function, the test strip comprises a base material and an additive; the additive comprises a copolymer, and preparation reaction monomers of the copolymer comprise N,N-diethylaminoethyl acrylate and 3-methylpent-2-ene dimethyl acid; the application has the advantages of high sensitivity, low cost, simple operation, portability and the like, can be used for rapid, visual and quantitative detection of radionuclides in water solution, urine and the like samples, and has important application value in the field of nuclear medicine radiation safety monitoring.

A radiation-sensitive composition includes: an onium salt compound represented by formula (1); a polymer including a structural unit which includes an acid-dissociable group; and a solvent. A is a monovalent organic group having 1 to 40 carbon atoms; R1 and R2 are each independently a hydrogen atom, a monovalent fluorine-free organic group having 1 to 20 carbon atoms, a cyano group, a nitro group, a hydroxy group, or an amino group, when there are a plurality of R1s and R2s, the plurality of R1s and R2s are the same or different from each other; m1 is an integer of 1 to 8; and Z+ is a monovalent radiation-sensitive onium cation.

The application discloses a micro integrated multi-radiation detection device, a detection method and a calibration method, relates to the field of radiation detection, and aims to realize micro integration of a multi-radiation detector. The device comprises: a heterogeneous detection layer which is formed by stacking or partitioning and isolating a plurality of sub-detection layers which are respectively adapted to the radiation sensitivity and thickness requirements of particles, particles, photons and photons, so as to respectively establish corresponding incident conditions and detection paths for different types of radiation; and a detection circuit which is connected to the heterogeneous detection layer and respectively acquires detection signals of the sub-detection layers, so as to be used for identifying detection events. The application proposes a cooperative solution which takes into account micro integrated structural design, stable electric field, low-noise sampling, wireless coexistence, event discrimination and engineering manufacturability.

This invention relates to the field of solar photovoltaic power generation technology and discloses an adaptive angle adjustment method for solar cell modules, comprising the following steps: acquiring average wind speed and original pitch angle signals; performing frequency domain decoupling on the original pitch angle signals; calculating the high-frequency energy integral, low-frequency energy integral, and energy ratio parameter; calculating the actual diffuse reflectance by combining the average wind speed and the high-frequency energy integral; constructing a theoretical radiation model to obtain the optimal target tilt angle; extracting the radiation sensitivity gradient; calculating the tracking error between the actual tilt angle and the optimal target tilt angle; determining the actual dead zone by combining the energy ratio parameter and the radiation sensitivity gradient; and outputting control commands or drive commands based on the relationship between the absolute value of the error, the actual dead zone, and the high and low frequency energy integrals. This invention reduces mechanical wear by dynamically filtering out high-frequency wave disturbances through a dead zone and precisely optimizes the reflectance using high-frequency energy correction to improve power generation, achieving a balance between mechanical loss reduction and power generation benefits.

An actinic ray-sensitive or radiation-sensitive resin composition containing a resin which provides increased polarity by action of an acid, an onium salt (A) including a sulfonate anion and not including a fluorine atom and a specified structure, and an onium salt (B) including the specified structure and not including a fluorine atom, a resist film formed using the actinic ray-sensitive or radiation-sensitive resin composition, a pattern forming method using the actinic ray-sensitive or radiation-sensitive resin composition, and a method for producing an electronic device.

The invention discloses a prefabricated assembly type programmable metasurface radio wave reverberation chamber system and an application method.According to the system, a programmable metasurface stirrer and a flexible metal shielding material are combined, the radio wave reverberation chamber system is built under the field condition, and a statistical uniform electromagnetic field is formed in a reverberation chamber testing area; the engineering technical problems that a traditional reverberation chamber test space and a test site are fixed, and a mode stirring scheme is difficult to implement are solved. The modular design is adopted, the radio wave reverberation room can be flexibly deployed and rapidly built under the field condition, the construction cost and period are greatly reduced, a fixed office space is not occupied, and the test of projects such as radiation emission and radiation sensitivity of large equipment can be achieved. In conclusion, the field-oriented electromagnetic compatibility test system provided by the invention has the advantages of being flexible in deployment, convenient to disassemble, assemble and carry, high in physical space expandability and the like, and can be widely applied to various electromagnetic compatibility test scenes.

The invention discloses a maneuvering deployment electromagnetic environment effect test system and method, and relates to the field of electronic engineering and electromagnetic measurement. According to the invention, a military cross-country general chassis vehicle is adopted to carry a 9m shelter as an integrated carrier, and based on modular integration of four subsystems of conduction emission, radiation emission, conduction sensitivity and radiation sensitivity, a mobile lifting platform is matched with a multi-degree-of-freedom servo turntable to realize maneuvering deployment of an antenna and a power amplifier; the electromagnetic environment effect one-stop test which covers the full frequency band of 10 kHz to 40 GHz, is compatible with multiple GJB standards, and has high external field adaptability and rapid unfolding and folding capability is realized.

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.

The invention relates to the technical field of wireless testing, in particular to an antenna radiation sensitivity testing method and device, terminal equipment and a storage medium. The method comprises the steps that a radio frequency interface of a tested device is connected with a first output port of a radio frequency power divider, an input port of the radio frequency power divider is connected with a radio frequency port of a wireless comprehensive tester, and a second output port of the radio frequency power divider is externally connected with a matched load; traversing all target wireless channels, and measuring and recording the conduction sensitivity of the tested equipment under each channel as the reference sensitivity; the second output port is changed to be connected with a matched antenna, a low-noise amplifier is connected between the matched antenna and the radio frequency power divider in series, and the gain of the low-noise amplifier is equal to the insertion loss of the radio frequency power divider; traversing all target wireless channels, and measuring and recording the equivalent radiation sensitivity of the tested equipment under each channel; and calculating the difference between the reference sensitivity and the equivalent radiation sensitivity under the same channel to obtain the radiation sensitivity deterioration degree of the tested equipment.

A method of preparing a rasterized pattern for writing a pattern on a radiation sensitive blank is provided. The radiation sensitive blank has a bottom anti-reflective coating (BARC) covered with a photoresist layer. The writing method comprises obtaining (S10) raw data representing the pattern to be printed. The raw data is rasterized (S30) into a rasterized pattern. Data defining BARC thickness measurements as a function of lateral position of the radiation sensitive blank to be patterned is obtained (S20). The rasterizing comprises adapting pattern characteristics according to the thickness measurements at the intended pattern position of the radiation sensitive blank to be patterned, creating a blank specific rasterized pattern. A method for writing a pattern on a radiation sensitive blank is also disclosed, as well as a rasterizing module and a pattern generator for preparing a rasterized pattern with the method.

A radiation-sensitive composition includes: an onium salt represented by formula (1); a polymer including a structural unit (I) which includes an acid-dissociable group; and a solvent. Ar1 is an (a1+b1+1)-valent aromatic ring, Ar2 is an (a2+b2+1)-valent aromatic ring, X1 and X2 are each independently a monovalent organic group having 1 to 20 carbon atoms, a cyano group, a nitro group, or a halogen atom, Y1 is a monovalent organic group having 4 to 20 carbon atoms bonded to Ar1 through —O—, —S—, or —SO2—, or a monovalent perfluoroalkyl group having 1 to 20 carbon atoms, and Y2 is a monovalent organic group having 4 to 20 carbon atoms bonded to Ar2 through —O—, —S—, or —SO2—, or a monovalent perfluoroalkyl group having 1 to 20 carbon atoms.

The application provides an anti-radiation high-performance enhanced gallium nitride-based power device and a manufacturing method thereof, and belongs to the technical field of semiconductors. a Ga 1‑a N back barrier layer, In b Ga 1‑b N / GaN superlattice layer, a composite gate structure composed of a dielectric layer and a gate Schottky metal layer, and a gradient change island-shaped P-GaN layer, which cooperatively solve the compound problem of dynamic resistance instability and radiation sensitivity. The device not only maintains the normally-off characteristics and high threshold voltage of the enhanced device, but also significantly improves the anti-radiation capability, breakdown voltage and dynamic resistance stability, and is particularly suitable for power electronic applications in strong radiation environments such as aerospace and nuclear energy detection.

An actinic ray-sensitive or radiation-sensitive resin composition containing (A) a resin including a repeating unit having a group which is decomposed by action of an acid to provide increased polarity, and (C) a nonionic aminoxyl radical having a molecular weight of 300 or more and not including an iodine atom, an actinic ray-sensitive or radiation-sensitive film, a pattern forming method, and a method for producing an electronic device which uses the actinic ray-sensitive or radiation-sensitive composition.

The application discloses a variable polarization array antenna strong radiation field simulation system based on phase shift control, belongs to the technical field of antenna and radio frequency microwave radiation field environment simulation, and aims at the technical requirement that a large irradiation range, high radiation field intensity and horizontal polarization and vertical polarization state switching need to be simulated in a high-intensity radio frequency radiation sensitivity test. The variable polarization array antenna strong radiation field simulation system based on phase shift control is provided, a high-intensity radio frequency radiation field meeting the requirement can be simulated by using a high-power radio frequency power amplifier array and a transmitting antenna array structure system, horizontal polarization and vertical polarization conversion is convenient and fast, and the reliability is high, so that radiation sensitivity test research and evaluation and assessment of electronic equipment can be conveniently carried out in a laboratory.

A radiation-sensitive resin composition comprising an acid-generating agent represented by the following general formula (AG1). In general formula (AG1), R 1 and R 2 Each can be a fluorine atom or -OR, where R is a monovalent organic group, and A... + It is an anti-cation. There is also an acid-producing agent, represented by the following general formula (AG1). There is also a compound, represented by the following general formula (AG1).

The application belongs to the technical field of inorganic chemistry, material chemistry and photoresist, and particularly relates to a kind of heterojunction type crystalline metal oxygen cluster patterning material and its preparation method and application, the patterning material is molecular heterojunction, the molecular heterojunction contains metal ions with radiation sensitive ligand, the metal ions are radiation sensitive elements, and the radiation sensitive ligand refers to a structure containing double bond, triple bond, epoxy propane or halogenated hydrocarbon.The resolution of the pattern formed by the coating formed by the spin coating of the patterning material dissolved in solvent and subjected to exposure and development can reach 100 nm, or even 50 nm.

A method for testing radiation sensitivity includes emitting a radiation wave to a device under test, measuring a first voltage of the device under test according to the radiation wave, outputting a reference voltage to a coupling device to cause the coupling device to generate a second voltage according to the reference voltage, adjusting the reference voltage to cause the second voltage to approximate the first voltage, storing the adjusted reference voltage, outputting the second voltage to the device under test according to the adjusted reference voltage to simulate an effect of the radiation wave on the device under test, the device under test correspondingly transmitting a control signal to the coupling device after receiving the reference voltage, and determining a state of the device under test according to the control signal.

A radiation-sensitive composition includes: an onium salt represented by formula (1); a polymer including a structural unit (I) which includes an acid-dissociable group; and a solvent. Q1 and Q2 are each independently a carbon atom or a nitrogen atom, provided that at least one selected from the group consisting of Q1 and Q2 is a carbon atom; W is a monocyclic or polycyclic non-aromatic ring structure of 3 to 40 ring members together with Q1 and Q2, and the formula between Q1 and Q2 represents a single bond or a double bond, R1 is a monovalent organic group having 1 to 20 carbon atoms, a nitro group, a hydroxy group, an amino group, a thiol group, a cyano group, a carboxy group, or halogen atom; m1 is an integer of 0 to 4; and Z+ is a monovalent onium cation.

An actinic ray-sensitive or radiation-sensitive resin composition containing a resin which provides increased polarity by action of an acid, an onium salt (A) including a sulfonate anion and not including a fluorine atom, and an onium salt (B) including a specified structure and not including a fluorine atom, a resist film formed using the actinic ray-sensitive or radiation-sensitive resin composition, a pattern forming method using the actinic ray-sensitive or radiation-sensitive resin composition, and a method for producing an electronic device.

The invention discloses a Beidou navigation positioning device electric field radiation sensitivity evaluation method and device, and the method comprises the steps: converting the electric field intensity of a space domain into an equivalent wired interference power level reaching a receiving antenna aperture of equipment through an electromagnetic field theoretical calculation formula according to a preset electric field radiation intensity standard; simultaneously injecting the equivalent wired interference power level and a navigation signal into a radio frequency front end by adopting a wired signal combining mode, and measuring and acquiring a performance degradation parameter in an interfered state; substituting the performance degradation parameter into the complete machine receiving link cascade simulation model, and calculating to obtain a system performance index of the complete machine under electric field radiation interference; comparing the system performance index with a preset system minimum performance threshold to obtain a design margin value, and judging whether the current design meets an electric field radiation sensitivity requirement or not according to the design margin value; and when the design margin value does not meet the requirement, adjusting the parameters of the key device at the front end of the radio frequency and returning to execute the injection test to form a design optimization closed loop.

The present invention addresses the problem of providing: a radiation-sensitive composition capable of forming a cured film having both radiation sensitivity and dry etching resistance; a cured film formed from the composition; a semiconductor element and a display element including the cured film; and a method for manufacturing the cured film. The present invention relates to a radiation-sensitive composition containing: a polymer (A) containing a structural unit (I) derived from a compound having a heterocyclic structure having 5 or more ring members; an alkali-soluble polymer (B); a quinonediazide compound (C); and a solvent (S), the heterocyclic structure being at least one selected from the group consisting of a cyclic ether structure, a cyclic ester structure, a cyclic imide structure, and a triazole ring-containing structure, and the content of the structural unit (I) being 50 mass% or more with respect to all the structural units constituting the polymer (A).

The invention relates to an evaluation method for on-orbit application verification radiation effect characterization parameters of a component. The evaluation method comprises the following steps: step 1, analyzing radiation sensitivity characteristics of a device according to information of the verification device; step 2, establishing a device function model according to a typical component application scene; step 3, according to the device irradiation sensitive characteristics obtained in the step 1, establishing a corresponding relation of an irradiation effect mapping device function model, and giving a device irradiation sensitive parameter table; 4, designing an on-orbit application verification system according to the device irradiation sensitive parameter table in the step 3; step 5, analyzing a space irradiation environment where the on-orbit application verification system in the step 4 is located; and step 6, according to the working range of the device function model parameter designed by the on-orbit application verification system in the step 4, estimating the parameter change condition of the device related irradiation sensitive parameter under the space irradiation environment condition analyzed in the step 5, and giving a device application parameter degradation evaluation index.

The present invention provides an actinic ray-sensitive or radiation-sensitive resin composition with which a pattern having excellent LWR performance can be obtained, a resist film, a pattern forming method, a method for manufacturing an electronic device, a compound, and a method for producing the compound. The actinic ray-sensitive or radiation-sensitive resin composition of an embodiment of the present invention is an actinic ray-sensitive or radiation-sensitive resin composition including a resin having a repeating unit having a group having a polarity that increases through decomposition by the action of an acid, in which the actinic ray-sensitive or radiation-sensitive resin composition further includes, in addition to the resin, a compound having at least one cation represented by General Formula (1), or the resin further has, in addition to the repeating unit, a repeating unit having the cation represented by General Formula (1).(Rd1)m—[Xd1]+-(Ld1-Ard1—(S—Xd2)p)n   (1)

An actinic ray-sensitive or radiation-sensitive resin composition containing a resin that is subjected to action of an acid to undergo an increase in polarity, an onium salt (B) represented by a formula (1) described in the Specification, and a resin (C) satisfying specified conditions, a resist film, a pattern forming method, and a method for producing an electronic device that use the actinic ray-sensitive or radiation-sensitive resin composition.

The one or more embodiments of the specification provide a cell radiosensitivity determination method, comprising: adopting a preset cell cycle arrest method to process a plurality of cell test groups of target cells respectively, to obtain a plurality of cell test groups with different G1 phase proportions; wherein the G1 phase proportion is the proportion of cells in the G1 phase in the cell test group; performing a radiation operation on the plurality of cell test groups, and determining a cell biological index in each cell test group after the radiation operation; based on the G1 phase proportion of each cell test group and the corresponding cell biological index, constructing a data model for indicating the corresponding relationship between the G1 phase proportion and the cell biological index of the target cell, for evaluating the radiation sensitivity of the target cell.

The invention discloses an electromagnetic compatibility damage evolution force-heat combined fatigue test method, which belongs to the technical field of electromagnetic testing, and is characterized in that an electromagnetic radiation environment and a conducted interference environment are loaded under a force-heat condition, and a conducted emission test, a conducted sensitivity test and a radiation sensitivity test are carried out; electromagnetic parameters, environmental stress data, test data and detection data of the tested electronic equipment are collected in real time, an environment-performance curve is drawn, and performance degradation boundary conditions of the tested electronic equipment are obtained. Based on a force thermal environment loading technology, an electromagnetic compatibility verification test of electronic equipment in a fatigue environment can be realized, and the electromagnetic compatibility and dynamic representation of signal integrity of the equipment in a fatigue damage accumulation process can be monitored and recorded in real time; therefore, the influence mechanism of the multi-stress-field coupling response on the key electrical performance indexes of the equipment is accurately disclosed, and theoretical support is provided for full-periodicity performance evaluation and anti-electromagnetic interference optimization design of high-reliability electronic equipment.

The invention discloses a binary metal hybrid halide material and a preparation method and application thereof, and belongs to the field of direct X-ray detectors. The molecular formula of the binary metal hybrid halide material is (EDA) 4MIMIII X12, EDA is ethylenediamine (C2H8N2), MI is selected from monovalent metal elements, MIII is selected from trivalent metal elements, and X is selected from halogen elements; the crystal structure of the binary metal hybrid halide material is a layered structure containing a halide ion layer. According to the method, a specific cooling rate is adopted in the cooling process, so that the high-quality crystal is prepared. The direct X-ray detector prepared on the basis of the binary metal hybrid halide material (EDA) 4MIMIII X12 has excellent radiation sensitivity under different electric field intensities, and the maximum radiation sensitivity is 5250 [mu] CGy <-1 > cm <-2 >.

The invention belongs to the technical field of communication, and provides a WiFi (Wireless Fidelity) router radiation sensitivity interference test method, a test system and a test terminal.The method comprises the following steps: firstly, acquiring the conduction transmitting power, the conduction sensitivity and the radiation power of a tested WiFi router; determining the line loss compensation of the radiation sensitivity of the tested WiFi (Wireless Fidelity) router based on the conducted transmitting power and the TX; based on radiation sensitivity line loss compensation, testing radiation RX of the tested WiFi (Wireless Fidelity) router in a non-interference state; applying signal interference on the tested WiFi (Wireless Fidelity) router to test the interference radiation sensitivity of the tested WiFi (Wireless Fidelity) router; and based on the radiation sensitivity, the interference radiation sensitivity and / or the conduction sensitivity RX in the non-interference state, judging whether the anti-interference performance of the tested WiFi 7 router reaches the standard or not. Therefore, accurate evaluation of the performance of the tested WiFi (Wireless Fidelity) router in a real interference environment is realized, and a basis is provided for product quality control.