53 results about "Radiation sensitivity" patented technology

The invention discloses an urban scale rainfall absorption and vegetation configuration collaborative optimization evaluation method, which belongs to the field of urban rainfall flood management optimization, and comprises the steps of performing integration and rainfall event identification on basic data of an urban region; physical mechanism inference is carried out by constructing multiple physical gating such as energy consistency, wet surface dissipation and geometric radiation sensitivity, and underlying surface hydrological response characteristics are obtained; constructing and solving a robust optimization model in combination with the underlying surface hydrological response characteristics and a preset planning target, and determining an optimal vegetation configuration scheme; and carrying out back substitution on the optimal vegetation configuration scheme to carry out closed-loop check and effect evaluation. According to the method, the hydrological response characteristics of the urban underlying surface can be accurately quantified, the vegetation configuration scheme with the definite achievement probability and the controllable risk is formulated under the uncertain condition, and the scientificity and the reliability of urban water resource toughness planning are improved.

Disclosed herein are methods for setting the radiation sensitivity and operational temperature range of ion-conducting polycrystalline radiation detectors. Disclosed herein are material fabrication methods for setting the ion-conducting polycrystalline microstructure and the grain boundary ion blocking characteristics in ion-conducting polycrystalline materials. The methods may include introducing a selected precursor element into the grain boundaries of the ion-conducting polycrystalline material. These methods may allow for the device detection threshold, dynamic range, and / or operational temperature range to be adjusted for ion-conducting polycrystalline radiation detectors. The methods disclosed herein allow for the design of high-sensitivity and high-performance radiation detectors that are low cost, non-toxic, environmentally robust, scalable, and able to operate in harsh environments (e.g., high temperature, high humidity, pressure, and / or corrosive).

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.

A first object of the invention is to provide an actinic ray-sensitive or radiation-sensitive resin composition that can maintain the ability to form a pattern having a good shape profile even after long-term storage. A second object of the invention is to provide a resist film, a pattern forming method, and an electronic device production method that use the actinic ray-sensitive or radiation-sensitive resin composition described above.The actinic ray-sensitive or radiation-sensitive resin composition of the invention includes an onium salt represented by formula (1), an acid-decomposable resin, and a solvent.

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.

A radiation-sensitive composition contains: (A) a polymer including a structural unit (U) represented by the following formula (1); and (B) a radiation-sensitive acid-generator formed of an onium cation having at least one group Rf1 selected from the group consisting of a fluoroalkyl group and a fluoro group (excepting a fluoro group in the fluoroalkyl group) and an organic anion having an iodine atom. In formula (1), R1 represents a hydrogen atom, a methyl group, or the like. X1 represents a single bond, an ether bond, an ester bond, or the like. Ar1 represents a cyclic group bound to X1 via an aromatic ring. A hydroxy group or group —ORY is bound to an atom adjacent to the atom bound to X1, among the atoms forming the aromatic group in Ar1. RY represents an acid-releasable group.

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.

A radiation-sensitive resin composition, includes: a base resin including a structure unit having an acid-dissociable group; a radiation-sensitive acid generator; and a solvent. The radiation-sensitive acid generator includes at least two of compounds selected from the group consisting of a compound represented by formula (1), a compound represented by formula (2), and a compound represented by formula (3), provided that the compound represented by the formula (1) and the compound represented by the formula (3) within the scope of the compound represented by the formula (2) are excluded. R1, R2 and R3 are each independently a group having a cyclic structure provided that at least one of R1, R2 and R3 is a hetero atom-containing alicyclic group in which a carbon ring atom of an alicyclic hydrocarbon group is replaced with a hetero atom, and the hereto atom-containing alicyclic group comprises a cyclic acetal structure.

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.

The utility model provides a variable polarization test system for a high-frequency radiation sensitivity horn antenna, and relates to the technical field of electromagnetic compatibility detection. The variable polarization test system for the high-frequency radiation sensitivity horn antenna comprises a lifting vehicle body, a cabinet is installed on the top of the lifting vehicle body, and a baffle is installed on the cabinet. By arranging the lifting vehicle body, the height of the horn antenna body can be conveniently adjusted, a transmitting antenna is aligned to a tested area to be tested, the height and polarization of the antenna are adjusted, meanwhile, the adjusting steps are simple, operation is convenient, the transmission path from a power amplifier output waveguide port to the antenna is short, loss is low, the system is stable and easy to use, and the vibration resistance is high; the test efficiency is greatly improved, and the waveguide rotary joint is arranged and is installed on the baffle through the rotary joint clamp, so that the waveguide rotary joint can drive the horn antenna body to rotate, and the purpose of angle adjustment is achieved.

The present application relates to a kind of patterning material, patterning composition and pattern forming method.The patterning material of the present application has metal oxygen cluster skeleton, radiation-sensitive organic ligand and second ligand, the radiation-sensitive organic ligand is coordinated with metal M via coordination atom, the coordination atom is at least one selected from oxygen atom, sulfur atom, selenium atom, nitrogen atom, phosphorus atom, and the radiation-sensitive organic ligand is monodentate ligand or is two or more ligands;The second ligand is inorganic ion or coordination group.

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 present invention discloses a low-noise electric field radiation sensitivity test system and test method. The system is a method and device for achieving low-noise output in an electric field radiation sensitivity test based on a conventional power amplifier. A waveguide, a filter, and a narrowband transmitting antenna are combined to achieve low-noise level output outside the operating frequency band of the electric field radiation sensitivity test system, thereby realizing an effective electric field radiation sensitivity test for receiver-type test products. Simultaneously, switching between various sub-frequency bands is performed through a high-power programmable switching switch. In actual electric field radiation sensitivity tests, the test time is not increased, thereby maintaining test efficiency.

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.

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. In the formula (1), W is an organic group having 3 to 40 carbon atoms and having at least one cyclic structure; L is a (r+1)-valent linking group, and r is an integer of 1 to 3; when r is 1, p and q are each independently an integer of 1 to 3, and when r is 2 or 3, each of a plurality of p's and a plurality of q's are each independently an integer of 0 to 3, provided that when r is 2 or 3, at least one of a plurality of p's is 1 or more and at least one of a plurality of q's is 1 or more; M+ is a monovalent onium cation.

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.