57 results about "Radiation process" patented technology

Optical arrangement (100, 200, 300) for an EUV projection exposure system (400) and an EUV mask metrology system, comprising an optical component (101) designed to reflect EUV light (102) used for imaging, a housing (104) at least partially enclosing the optical component (101) and further encapsulating a section of an EUV beam path within the EUV projection exposure system (400) or the EUV mask metrology system, and at least one particle trap (106, 206, 306) designed to reduce free particle contamination (105), in particular tin particles, within the housing (104) and having an opening (107, 207, 307) in the direction of the EUV beam path, characterized in that the particle trap (106, 206, 306) is arranged on the housing (104), wherein the particle trap (106, 206,306) has an interior space and an interior surface (109) surrounding the interior space and is designed in a channel-like manner.

The invention discloses a simulation analysis method for single-particle electric leakage of a wide bandgap semiconductor device, and the method comprises the steps: constructing a geometric model of a to-be-simulated power device, calculating the vacancy defect density of the power device, carrying out the two-dimensional modeling and grid division, building an electrical model of the power device, and fitting an electrical curve of the power device; then, a collision ionization model after high-energy particle incidence is introduced, mobility and electric leakage degradation parameters are optimized, and an electric leakage degradation model corresponding to the power device is established; and finally, carrying out damage mechanism analysis, extracting the change of microscopic physical parameters of the power device along with time by changing influence parameters in the radiation process, and carrying out reinforcement and optimization on the power device. According to the method, the physical processes of different particle radiation devices can be accurately simulated, different microscopic physical parameters in the electric leakage process of the wide bandgap semiconductor device are extracted, and a technical basis is provided for radiation effect mechanism analysis and reliability evaluation of the wide bandgap semiconductor device by establishing different electric leakage models.

The present invention relates to a projection system for a projection exposure system for microlithography, in particular for EUV lithography, comprising an optical element. The objective of providing a projection system for a projection exposure system for microlithography, in particular for EUV lithography, in which thermally induced oscillating aberrations are minimized, is achieved by the projection system comprising a radiation-absorbing element which is configured to temporarily interrupt the beam path of the projection system behind the optical element.

The invention relates to a method for determining the penetration depth in a laser welding process using an optical coherence tomograph, comprising the following steps: - Directing a processing laser beam (11) onto a component (10) to generate a vapor capillary (12); - Coupling a measuring beam (15) into the beam path of the processing laser beam (11); - Performing several line scans over the component (10) with the measuring beam (15) in the area of ​​the vapor capillary (12) and capturing the light components of the measuring beam (15) reflected by the component (10) with the optical coherence tomograph and generating a height profile of the component (10) in the area of ​​the vapor capillary (12); - from the height profile, determination of the height of the component surface (10.1), the lateral position of the lowest point (16, 16', 16") of the vapor capillary (12) on the component (10), and the depth of the lowest point (16) of the vapor capillary (12); - Calculation of the vapor capillary depth (17) from the difference between the height of the component surface (10.1) and the depth of the lowest point (16) of the vapor capillary (12) and from this determination of the welding depth.

A mobile radiographic imaging system includes a radiation generation apparatus that emits radiation and can be set to a plurality of imaging modes including a first mode for performing fluoroscopic imaging and a second mode that is a general imaging mode and acquires a series of frame images by irradiating a subject with the radiation, and a hardware processor that restricts the use of the first mode outside a management area.

The present disclosure relates to a transmitting device, a transmitting method, a receiving device and a receiving method which enable a reduction of the information size of a pointer in a simpler way. A transmitting device is provided, comprising: a transmitting unit that generates physical layer control information, wherein the physical layer control information is contained in a physical layer frame; and a transmitting unit that broadcasts the physical layer frame as a broadcast signal, upon which a layered splitting multiplexing procedure is applied. The physical layer control information includes a compressed pointer obtained by compressing a pointer that specifies the position of the first error-correcting code block in the physical layer frame and is expressed as an integer multiple of the greatest common divisor of possible pointer values. The present disclosure can be applied to a transmission system compatible with a broadcasting method, such as the next-generation ISDB-T method.

The invention relates to an X-ray detector device (1) comprising a multi-layer area detector (2) and a computing unit (9). The multi-layer area detector (2) has several X-ray detector layers (3) stacked along a beam path (4), each X-ray detector layer (3) being configured to detect X-rays incident on a sensor surface (5) of the respective X-ray detector layer (3), the sensor surface (5) being divided into several pixel areas (6) arranged in a regular pixel grid (7). The pixel grids (7) of the respective X-ray detector layers (3) are offset from one another by subpixel distances (12) parallel to the sensor surfaces (5) according to a pixel offset arrangement.

The invention relates to an optical device (1) for capturing and imaging radiation (3) emanating from an object scene (2), comprising a plurality of optical elements (4) in a beam path (5), wherein, in one propagation direction of the radiation (3), a front group (7), a zoom group (8), an iris diaphragm (9), a main group (10), and a beam splitter element (11) are successively arranged on a common optical axis (12), wherein the beam splitter element (11) is configured to divide the beam path (5) into two arms and a spectrum of the radiation (3) into a first spectral range in a first arm (13) of the beam path (5) and a second spectral range in a second arm (14) of the beam path, wherein, after the beam splitter element (11), at least a first detector device (15) is arranged along a first optical axis (13a) of the first arm (13).and a second detector device (16) is arranged along a second optical axis (14a) of the second arm (14). According to the invention, the optical elements (4) are at least partially optically corrected such that the changing object scene (2) is sharply imaged on all detector devices (15, 16) during zooming.

The present disclosure relates to a parameter optimization method and a parameter optimization device, a medical device, a medium, and a product. The parameter optimization method comprises: acquiring an initial exposure parameter to be used by the medical device to perform irradiation; acquiring contour information of a test subject and initial relative position information of the test subject relative to the component under investigation;Determining an estimated attenuation amount of rays passing through the test subject, at least based on the initial relative position information and contour information of the test subject and real-time position information of the component under investigation, wherein the estimated attenuation amount is used to represent the degree of attenuation of rays from the radiation source after passing through the test subject, and the real-time position information of the component under investigation is position information of the component under investigation acquired in real time; and updating the initial exposure parameter based on the estimated attenuation amount. Embodiments of the present disclosure may reduce the number of irradiation processes and improve the operating procedure and efficiency.

The present invention proposes a hot water treatment device, which includes: a first shell, the first shell including an installation cavity and an air inlet; a second shell, the second shell being connected to the first shell, the second shell being located in the installation cavity, and the second shell including a vent; wherein the second shell and the first shell form a silencer cavity, the air inlet is connected to the silencer cavity, and the vent is connected to the silencer cavity and the installation cavity. The hot water treatment device provided by the present application forms a silencer cavity by forming a first shell with an air inlet and a second shell with a vent, and the installation cavity is separated from the silencer cavity, so that during the operation of the hot water treatment device, noise enters the silencer cavity through the vent, so that the radiation path of the generated noise is greatly extended during the radiation process to the outside world, and the noise radiated to the outside world is greatly attenuated, so as to achieve the purpose of reducing noise and improving user comfort.

The present invention discloses a dynamic adaptive thermal radiation modulator based on a metasurface and a manufacturing method thereof. The modulator includes a metal metasurface layer at the top, a thermal expansion layer in the middle, and a substrate at the bottom. The modulator can radiate heat from an object outward through the 8-13μm band, realizing dynamic adaptive regulation of the radiation process. The thermal radiation modulator structure designed by the present invention includes a metal metasurface structure layer, a thermal expansion material layer, and a metal substrate layer. As the ambient temperature changes, the expansion or contraction of the thermal expansion material can control the disconnection and connection of the metal metasurface structure, that is, control the absorption and reflection of the structure in the atmospheric window band, ultimately realizing the switching of the "on" and "off" states of the radiative cooling function to achieve passive adaptive thermal radiation modulation.

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.

The invention provides a PVDF-based elastic ferroelectric material and a preparation method and application thereof, and relates to the technical field of ferroelectric materials. A ferroelectric crystal phase region of the PVDF-based elastic ferroelectric material is protected to the maximum extent, and a uniform three-dimensional elastic network structure formed by firm C-C bonds is constructed in an amorphous region by a PVDF-based ferroelectric polymer and a crosslinking sensitizer through radiation crosslinking; the PVDF-based elastic ferroelectric material has excellent ferroelectricity, great flexibility and elasticity, proper strength and excellent fatigue resistance at the same time. According to the preparation method of the PVDF-based elastic ferroelectric material, the technical bottlenecks of thermal crosslinking and photo-crosslinking are fundamentally overcome through a mild, pure and uniform radiation process, so that controllable preparation of the PVDF-based elastic ferroelectric material with excellent ferroelectricity, great flexibility and elasticity, proper strength and excellent fatigue resistance becomes reality; the preparation method is simple, efficient and high in universality, and is very suitable for large-scale industrial production.

Device for rotating an X-ray grating (1) about an axis of rotation (20) aligned parallel to the beam path during X-ray imaging, comprising: - a grid frame (2) in which the X-ray grid (1) is clamped, - a base plate (21) on which the grid frame (2) is rotatably arranged, and - a drive unit (3) configured to rotate the lattice frame (2), characterized by: - bearing rollers (6) arranged on the base plate (21), in which the grid frame (2) is rotatably and without play clamped, - a pre-tensioned tension spring (7) whose first end (13) is connected to the lattice frame (2) and whose second end (14) is connected to the base plate (21) such that the tension spring (7) is arranged tangentially to a rotational movement about the axis of rotation (20), and - a lever arm (8) formed on the lattice frame (2) which can be moved about the axis of rotation (20) by the drive unit (3).

The invention discloses an in-vitro prediction method for cell DNA damage caused by simulated radiation. According to the invention, by introducing the bionic oxidative stress regulation and control module, the simulation precision of the in-vitro model on the in-vivo physiological microenvironment is improved. The dynamic microenvironment intervention system can respond to oxidative stress changes in the radiation process in real time, the redox state of cells is closer to an in-vivo real radiation exposure scene by precisely regulating and controlling the perfusion rate of the active oxygen scavenger, experimental deviation caused by out-of-control oxidative stress level in traditional static culture is avoided, and the experimental accuracy is improved. A more reliable physiological basis is provided for subsequent damage signal detection, a dynamic regulation and control mechanism of the micro-fluidic chip can effectively correct baseline drift caused by oxidative stress fluctuation, and it is ensured that damage site space distribution data captured by the nano biosensor array has a higher signal-to-noise ratio; the influence of external environment interference on experimental data is reduced, and high-quality original data support is provided for follow-up repair trajectory tracking and neural network prediction.

To provide a conductor joint method which can join conductors 11 in a low cost and an accurate manner when there is a difference Δh of height between joint end surfaces of two flat wires 8.SOLUTION: A conductor joint method comprises: an initial radiation process where laser beam is radiated to an inner region of an end face of a first conductor and an inner region of an end face of a second conductor to form a pair of molten pools in parallel with the end faces of both conductors so that outer periphery parts of the respective end faces become dikes; a middle radiation process where laser beam is radiated to a joint side region of the end face of the first conductor and a joint side region of the end face of the second conductor and both regions are adjacent to each other so as to connect the pair of molten pools with each other; and a latter radiation process where laser beam is radiated to the whole body end face consisting of the end face of the first conductor and the end face of the second conductor in an approximately circular shape to form the pair of molten pools connected to each other into a molten ball 34 in a semi-spherical shape.SELECTED DRAWING: Figure 4

The invention discloses a low-scattering conformal tight coupling array antenna based on mode item regulation and control, which is formed by periodically arranging M * N dual-polarized antenna units and conformally arranging the dual-polarized antenna units along an elliptic cylinder curved surface, the two vertical dielectric substrates are parallel to the side edge direction of the elliptic cylinder and are perpendicular to the top dielectric substrate, and the metal floor structure is arranged at the bottom of the vertical dielectric substrates. The upper layer of the top dielectric substrate is covered with a dual-polarized dipole patch; and a feed balun structure is printed on the vertical dielectric substrate. Sparse processing is carried out on the array, so that a part of sparse units are used as dummy elements and do not participate in the radiation process; the port impedance of the sparse unit and the length of the feed microstrip line are optimized, the mode item scattering of the array is regulated and controlled, and the low-scattering conformal tight coupling array antenna is obtained. The working bandwidth of the antenna can cover 8-12 GHz, scattering reduction under in-band dual polarization is achieved, and the antenna can be applied to communication and radar aperture of various high-speed and high-maneuverability stealth aircraft platforms.

The application discloses a kind of graphical substrate and its preparation method, LED epitaxial wafer.Preparation method includes: providing sapphire substrate;Sapphire substrate includes the substrate body and metal ion doping layer being arranged in layers, and the side surface of metal ion doping layer deviating from substrate body is sapphire substrate front;Mask layer is formed on sapphire substrate front;Using exposure developing process, mask layer is patterned to form mask pattern;Based on mask pattern, using dry etching process, sapphire substrate is etched to form multiple protruding structures on sapphire substrate front, and metal ions are doped in protruding structure.This application, metal ion doping layer can absorb light into sapphire substrate inside when exposure, avoid appearing secondary exposure phenomenon, improve mask pattern uniformity;Metal ion doped in protruding structure, can adjust the carrier concentration of epitaxial film layer, reduce the non-radiation process of extra electron in chip, improve the overall performance of chip.

A method for producing a polymeric compound with a positive temperature coefficient (PPTC) and for conformally applying such a compound to a substrate according to an embodiment of the present disclosure may include producing and mixing raw materials to form a PPTC mixture, processing the PPTC mixture by a polymer compounding plant, wherein the PPTC mixture is heated and extruded as a PPTC compound, performing a radiation process on the polymer compound to produce cross-linking between the polymer chains in the PPTC compound, and applying the PPTC compound to a substrate using a hot application process in which the PPTC compound is heated and conformally applied to a surface of the substrate.

The invention discloses an ultraviolet sterilization lamp set with a row power output adjusting function, relates to the technical field of ultraviolet sterilization lamps, and aims at the basic principle of ultraviolet sterilization that ozone is generated in a closed space in the continuous radiation process of the ultraviolet sterilization. The basic technical point in the invention is as follows: the setting height and the setting position of the ultraviolet lamp body are firstly limited, and the essence is that the ultraviolet lamp body is arranged in a row in cooperation with an environment base layer so as to carry out a global 360-degree radiation sterilization process. The sterilization effect of the ultraviolet lamp in the corresponding position is fed back in real time by combining the ozone concentration in the local position, the essence is that the upper limit exists when air is ionized into ozone, and when the fluctuation degree of the ozone concentration is reduced or even does not fluctuate, the whole sterilization effect reaches a relatively good state; the sterilization effect can be maintained by reducing the output power of the ultraviolet lamp or turning off the ultraviolet lamp.

Optoelectronic device (100) comprising a layer stack with an optically active region (212) and an optically inactive region (214), the layer stack comprising: • an organic functional layer structure (112), wherein the organic functional layer structure (112) is applied to or over a support (102) and is configured to receive and / or provide electromagnetic radiation;• an antireflection / getter layer structure arranged in the beam path of the organic functional layer structure (112), comprising: ◯ a getter layer (204, 210, 404) with getter material having a lower mean refractive index than the mean refractive index of the organic functional layer structure (112), wherein the getter layer (204, 210, 404) has a first thickness in the optically active region and a second thickness in the optically inactive region, the second thickness being smaller than the first thickness, and wherein the getter layer (204, 210, 404) at least partially surrounds the organic functional layer structure (112) laterally;and◯ an antireflective layer (128, 502), wherein material of the antireflective layer is arranged at least partially between the organic functional layer structure (112) and the getter layer (204, 210, 404) in the beam path of the organic functional layer structure (112), and wherein the material of the antireflective layer (128, 502) arranged between the organic functional layer structure (112) and the getter layer (204, 210, 404) has an average refractive index greater than the refractive index of the getter material and / or has at least one scattering additive material distributed in a matrix of the antireflective layer (128, 502), wherein the getter layer (204, 210, 404) at least partially surrounds the antireflective layer (128, 502) laterally.

The radiation therapy system delivers radiation treatment in a 360 degree arc in a single pass via an extended rotating gantry and performs a pre-imaging procedure. While rotating the gantry in one direction around the bore of the radiation system, the radiation system generates multiple images of a target volume disposed in the bore using an imaging X-ray source mounted on the gantry. Then, while continuing to rotate the gantry in the same direction, the radiation system delivers a treatment beam to the target volume using a treatment-delivery X-ray source mounted on the gantry, wherein the treatment beam is delivered from some or all of the 360 ​​degree arc around the bore. Thus, the pre-imaging procedure and delivery of radiation are performed in a single pass of the gantry around the target volume, thereby being accomplished without a return trip of the gantry.

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.

The invention relates to an automatic treatment field segmentation method for controlling a treatment time in a plan. The method comprises defining a radiation field associated with an initially defined radiation process; automatically segmenting the radiation field into a plurality of N sub-fields based on a set of criteria, wherein N > 2 and n e N, said set of criteria comprising at least a time limit associated with a duration of the radiation process for at least one of the N sub-fields; and providing a radiation beam configuration to control a radiation device adapted to provide the radiation process associated with the segmented radiation field.

A method (100) for generating at least partial fluorescence in a material (10) is provided. The method (100) comprises providing (110) the material (10), providing (120) a laser (20), arranging the material (130) in a beam path of the laser (20) so that the laser (20) can selectively irradiate the material section by section, and irradiating (140) at least section by section a surface (11) of the material (10) with the laser (20). The irradiation (140) of the surface (11) of the material (10) with the laser (20) continues until visible soot marks (12) form on the irradiated areas (13) of the surface (11) of the material (10), thereby generating fluorescence in the irradiated areas (13).

This invention proposes an air intake assembly and a water heater. The air intake assembly includes: a housing, the housing including a silencing cavity; an air inlet disposed on the housing and connected to the silencing cavity; a vent disposed on the housing and connected to the silencing cavity; and an air guide plate disposed on the housing, located inside the silencing cavity, opposite to the air inlet, and used for airflow guidance. The air intake assembly provided in this application, by distributing an air guide plate opposite to the air inlet within the silencing cavity, cuts off the direct connection between the air inlet and the vent. This allows noise from the gas water heater during operation to enter the silencing cavity through the vent and radiate to the air guide plate. The air guide plate then prevents some noise from escaping through the air inlet, thus extending the radiation path of the generated noise to the outside and significantly attenuating the noise after being blocked, thereby achieving the purpose of noise reduction.

A multi-particle beam system (1) comprising the following: a multi-beam particle source (21) configured to generate a first field of a plurality of charged first particle beams (3); a first particle optic (80) with a first particle-optical beam path configured to map the generated single-particle beams (3) onto an object plane (101) such that the first particle beams (3) meet at points of impact on an object (7) forming a second field; a detection system (13) with a plurality of detection areas forming a third field; a second particle optics (90) with a second particle-optical beam path configured to map second single-particle beams (9) originating from the points of impact in the second field onto the third field of the detection areas of the detection system (13) (102); a magnetic objective lens (102), in particular a magnetic immersion lens, through which both the first (3) and the second single-particle beams (9) pass; a beam splitter (400) arranged in the first particle-optical beam path between the multi-beam particle source (21) and the objective lens (102), and arranged in the second particle-optical beam path between the objective lens (102) and the detection system (13); and a controller (10); wherein in the second particle-optical beam path between the beam switch (400) and the detection system (13) a beam crossing (510) of the second single-particle beams (9) takes place, wherein in the area of ​​beam crossing (510) a contrast aperture (511) with a central recess for filtering the second single-particle beams (9) according to their starting angles from the object plane (101) is arranged, wherein in the second particle-optical beam path between the objective lens (102) and the contrast aperture (511) a contrast-correction lens system (500) with a first magnetic contrast-correction lens (500) is arranged, which is configured to generate a magnetic field of adjustable strength and to correct beam tilts of the second single-particle beams (9) in the beam crossing (510) with respect to the optical axis (Z) of the multi-particle beam system (1), and wherein the control (10) is configured to control the excitation of the contrast correction lens system (500).

The invention discloses a non-microwave acceleration sensing device and method based on an NV color center. The device comprises a capture module, an excitation module, a sensitive module and a detection module. The capture module is used for emitting capture light, generating a light trap and suspending diamond, the excitation module is used for emitting excitation light and polarizing an NV color center spin state to a 0 state, the sensitive module is used for coupling the NV color center spin and plasmons so as to convert different displacements into different spontaneous radiation rates of the NV color center, and the detection module is used for detecting the number of effective fluorescence emitted by the NV color center. And the input force and the acceleration to be measured are solved. According to the invention, on the basis of a luminous suspension mechanical quantity measurement system, the coupling effect of metal plasmons and NV color center spontaneous radiation process is utilized, the quantity of fluorescence is detected, the displacement of the mass block under the action of input force is obtained, and then the acceleration is calculated. An external microwave field of a traditional NV color center sensing system is not needed, a complex displacement detection light path of a traditional light force system is not needed, and the method has a wide application prospect.

The invention provides a multi-mode identification tag for a library and a book identification method. According to the application, the graphene pattern is superposed on the radio frequency unit, so that on one hand, the first identification information of the book can be independently obtained through a radio frequency interaction mode so as to determine the identification code of the book; on the other hand, corresponding phase components can be superposed in the radiation process of the radio-frequency signal through charge distribution excited by the graphene pattern, so that second identification information of the book can be independently obtained through phase information of the radio-frequency signal; and the identification information is utilized to realize automatic identification of book collection positions, storage requirements or other management information. According to the antenna, independent coding of the management information corresponding to the book can be flexibly realized through a photosensitive material coating mode according to management requirements, important management information can be directly prompted under the condition that a book management system is not searched, and an operator can conveniently and directly carry out corresponding maintenance management on the book. The multi-mode identification tag provided by the invention can be flexibly updated according to management requirements, so that more flexibility and convenience are brought to book management work.

This invention provides a radiation dose measurement method based on a floating-gate semiconductor transistor, primarily addressing the technical problem that existing technologies cannot accurately measure the radiation dose of floating-gate semiconductor transistors. The invention employs a method of measuring the voltage after charging the transistor under test (TUT) and then measuring it after irradiation. Based on a constant current method, it obtains the difference in threshold voltage between the TUT and its pre-irradiation values. Using this method, it obtains the difference in threshold voltage under different radiation doses and finally calculates the curve of the difference in threshold voltage as a function of cumulative radiation dose. This invention involves multiple programming and erasing of the floating-gate device, thereby significantly increasing the measurement range of radiation dose and enabling precise control of the radiation process.