27 results about "Electron line" patented technology

This charged particle beam device comprises: a charged particle beam optical system that irradiates a sample with an electron beam; a sample chamber that is provided with a stage on which the sample is placed; a detector that detects charged particles obtained by irradiating the sample with the electron beam; one or more computer systems that generate an image of the sample on the basis of output from the detector; a charging control component that controls charging of the sample by generating at least one of electrons, ions, and light according to a charging control condition; and an input device that receives input of an index value relating to the image. The one or more computer systems control the charging control component on the basis of the relationship between the index value and the charging control condition, and the index value.

To provide an electronic beam irradiation device in which a conductive path having a bent shape can be easily assembled to a pressure vessel.SOLUTION: An electron beam irradiation device 10 comprises: a power supply unit 14; an acceleration unit 13 that accelerates an electron beam Eb based on power supplied from the power supply unit 14; a conductive path 30 that electrically connects the power supply unit 14 and the acceleration unit 13; and a pressure vessel 20 that houses the power supply unit 14, the acceleration unit 13, and the conductive path 30. The conductive path 30 comprises: a first divided conductive path 31 that is electrically connected to the power supply unit 14; a second divided conductive path 32 that is electrically connected to the acceleration unit 13; and a connection part 33 that connects the first divided conductive path 31 and the second divided conductive path 32. The conductive path 30 has a bent shape in which an extension direction of the first divided conductive path 31 and an extension direction of the second divided conductive path 32 intersect each other.SELECTED DRAWING: Figure 2

The invention relates to an electrochemical energy storage device (100) having at least one electrochemical cell (10) which has an electrolyte (13) and at least two electron-conducting materials in the form of electrodes (11, 12) which are connected to the electrolyte (13), wherein an external voltage can be applied between the electrodes (11, 12). In order to provide an increased amount of charge in the form of electrons in the electrochemical cell (10), according to the invention at least one electrode (11, 12) is replaced by at least two partial electrodes (66, 67), which are spatially separated from each other and between which an electron line (71) runs.

The present invention belongs to the technical field of automatic analysis and measurement in uranium purification and hydrometallurgical processes, and specifically relates to an online high-concentration uranium analysis and detection device for uranium purification processes. A sodium iodide crystal is disposed within a shielding component, a photomultiplier tube is coupled below the sodium iodide crystal, an electronic circuit is disposed below the photomultiplier tube, and a cable is disposed below the electronic circuit. The cable passes through the shielding component, which is provided with a support frame connected to the photomultiplier tube. A through-hole is formed in the sodium iodide crystal, through which a polytetrafluoroethylene (PTFE) tube passes. The two ends of the PTFE tube respectively serve as a solution inlet and a solution outlet, both of which pass through the shielding component. The present invention is suitable for measuring high-concentration uranium in the automatic analysis of uranium purification and hydrometallurgical processes, and measures the uranium concentration in the solution without the addition of any chemical reagents.

The utility model discloses a winding displacement jig for a superfine Teflon electronic wire harness, and relates to the technical field of electronic wire harness welding, the winding displacement jig comprises a bottom plate, one end of the upper end face of the bottom plate is fixedly connected with a plurality of groups of welding machines, the other end of the upper end face of the bottom plate is provided with a plurality of groups of sliding chutes, and sliding blocks are clamped in the sliding chutes in a sliding manner; a bearing table is fixedly connected to the upper ends of the multiple sets of sliding blocks, multiple sets of impurity grooves are formed in the upper end face of the bearing table, a fixed wire harness base is arranged at one end of each impurity groove, a movable wire harness base is arranged at the other end of each impurity groove, and clamping mechanisms are arranged at the upper ends of the fixed wire harness bases and the upper ends of the movable wire harness bases. And the position of the moving wire harness can be adjusted, so that adjustment is carried out according to the length of the Teflon wire harness required by welding, wire harnesses of different specifications and lengths can be clamped and welded, and the operation flexibility is improved.

To provide an electron beam irradiation apparatus that can achieve both maintainability of a window part of an electron beam source and shielding performance against X-rays during electron beam irradiation.SOLUTION: An electron beam irradiation apparatus 1 comprises: an electron beam irradiation unit 10; and a target support unit 50. The electron beam irradiation unit 10 includes: an electron beam source 11; and a first wall 12 in which a first opening 12c is formed. The first opening 12c accommodates a window part 4 of the electron beam source 11. The target support unit 50 includes: a support part 51; and a second wall 52 in which a second opening 52c is formed. A protrusion 61 including the first opening 12c is provided on a surface 12b of the first wall 12. A recess 62 including the second opening 52c is provided on a surface 52a of the second wall 52. In a state where the first wall 12 and the second wall 52 are in contact with each other, the surface 12b and the surface 52a are in contact with each other, and the recess 62 and the protrusion 61 are fitted with each other.SELECTED DRAWING: Figure 1

An electron beam irradiation device (10) comprises a power supply unit (14), an acceleration unit (13) that accelerates an electron beam (Eb) on the basis of supplied power from the power supply unit (14), a conduction path (30) that electrically connects the power supply unit (14) and the acceleration unit (13), and a pressure container (20) that accommodates the power supply unit (14), the acceleration unit (13), and the conduction path (30). The conduction path (30) comprises a first conduction path segment (31) that is electrically connected to the power supply unit (14), a second conduction path segment (32) that is electrically connected to the acceleration unit (13), and a connection part (33) that connects the first conduction path segment (31) and the second conduction path segment (32). The conduction path (30) bends such that the extension direction of the first conduction path segment (31) and the extension direction of the second conduction path segment (32) intersect.

The utility model relates to the technical field of electronic wire repairing of reverse engineering, in particular to an electronic wire repairing device based on reverse engineering, which comprises a working table, a guide sliding groove is arranged on the working table, a guide sliding frame is connected in the guide sliding groove in a sliding mode, a motor and an operation handle are arranged on the guide sliding frame, and a positioning sleeve is arranged on a motor shaft of the motor. The positioning sleeve is provided with a stabilizing sleeve column and a positioning sleeve groove, the workbench is provided with a lifting air cylinder, a telescopic rod of the lifting air cylinder is provided with a lifting plate, the lifting plate is provided with an illuminating lamp and a mounting tool apron, the mounting tool apron is provided with a cutting knife, and the cutting knife is provided with a cutting groove. The extrusion deformation and abrasion phenomena of the soft rubber jacket during clamping and cutting are avoided, the reverse engineering repair effect of sleeving the rubber jacket on the electronic wire in the later period is ensured, and the cutting effect of checking the rubber jacket by a worker during cutting is prevented from being influenced; and the effect that the rubber jacket is sleeved on the electronic wire for reverse engineering repair in the later period is ensured.

The utility model relates to the technical field of electronic wire harnesses, in particular to an electronic wire with a self-binding property. The self-bundling electronic wire provided by the utility model comprises wire bodies, the wire bodies are installation carriers of parts, and the number of the wire bodies is not limited; the first magnetic block is connected to the left side of the wire body; the second magnetic block is connected to the right side of the wire body, the left side of the wire body at the left side edge is not provided with the first magnetic block, and the right side of the wire body at the right side edge is not provided with the second magnetic block. The electric wire body is fixed with another electric wire body through magnetic attraction of the first magnetic block and the second magnetic block, and the first mounting plate and the second mounting plate are fixed through the bolts, so that the two ends of the electric wire body are fixed, the binding and fixing of the electric wire body and the moving and loosening of the elastic band can be realized through the operation. And the protruding part of the wire body is contacted and collided to restore.

To provide an electron beam tomography device that reconstructs a three-dimensional structure of a sample on the basis of electron beam diffraction images acquired from a sample, an electron beam tomography method, and a program therefor.SOLUTION: An electron beam tomography device according to the present invention comprises: a transmission electron microscope that holds a sample in a rotatable manner and emits an electron beam while operating it; a two-dimensional detector that detects an electron beam diffraction graphic group; and an analysis device that reconstructs the three-dimensional structure of the sample using the electron beam diffraction graphic group. The analysis device includes: a data storage unit that stores the electron beam diffraction graphic group; a multivariate analysis unit that performs non-negative value matrix factorization by the element number of 2 or more for the electron beam diffraction graphic group and acquires decomposed electron beam diffraction graphics and corresponding intensity images; a grouping unit that groups the decomposed electron beam diffraction graphics and corresponding intensity images by the element number of 2 or more; and a reconstruction unit that reconstructs the three-dimensional structure of the sample on the basis of the intensity images grouped by the element number of 2 or more.SELECTED DRAWING: Figure 1

To prevent radiation leaking from shielding measures from reaching specific areas. [Solution] The electron beam irradiation device (100) comprises an electron beam generator (4) that generates an electron beam, a transport cylinder (5) that transports the paper (P) so that it passes through the irradiation area (IR) irradiated by the electron beam by holding and rotating a part of the paper (P) to be irradiated by the electron beam, a shielding structure (8) provided around the irradiation area (IR) in the transport cylinder (5) to shield the radiation, and a guide structure (10) that guides the radiation leaked from the end of the shielding structure (8) in a specified direction.

To provide an electron beam irradiation device capable of easily performing maintenance of an accelerator.SOLUTION: The electron-beam irradiating device includes an accelerator 13 for accelerating the electron-beam, a voltage converter 21 arranged on an extension of an axis L1 of the accelerator 13 and electrically connected to the accelerator 13, and a position variable mechanism 22 for changing a position of the voltage converter 21 in a direction of the axis L1 of the accelerator 13. While the interval between the transformer 21 and the accelerator 13 during normal use of the electron beam irradiation device is configured to be small, the position of the transformer 21 can be set to a position away from the accelerator 13 by the position variable mechanism 22 at the time of maintenance of the accelerator 13.SELECTED DRAWING: Figure 3

This fluoride fluorescent material particle has a composition represented by A2M(1-n)F6: Mn4+ n. The element A is one or more alkali metal elements including K. The element M is elemental Si, elemental Ge or a combination of Si and one or more elements selected from the group consisting of Ge, Sn, Ti, Zr and Hf. 0<n≤0.1. When a cross section of this fluoride fluorescent material particle is subjected to elemental analysis using a JXA-8230 electron beam probe microanalyzer produced by JEOL Ltd. and accompanying software under conditions whereby the accelerating voltage is 15 kV, the irradiation current is 5×10-8 A, the measurement time is 30 ms, the size of the measurement region is 160×160 μm and the number of measurement points is 400×400 pixels, if the Mn level in the vicinity of the center of the fluoride fluorescent material particle is denoted by Pc and the Mn level in the vicinity of the surface is denoted by Ps, then Pc≥Ps.

The utility model relates to a self-shielding device for radiotherapy. The self-shielding device comprises an electronic flash therapy equipment base, the electronic flash therapy shell is rotationally assembled on the electronic flash therapy equipment base; the high-energy electron accelerator is arranged in the electron flash therapy shell and is used for providing pulse electron beams; the electronic flash therapy head is assembled at the end part of the electronic flash therapy shell, and the tail end of the electronic flash therapy head is used for irradiating the irradiation device; the irradiation device is located on the electronic flash therapy equipment base, and the guide rail is located between the electronic flash therapy equipment base and the electronic flash therapy shell and used for adjusting the position relation between the electronic flash therapy shell and the irradiation device; the electronic flash therapy head is ingenious in design and convenient to operate, the outer sleeve can move up and down along the inner sleeve, and animal fixing and electronic ray irradiation operation can be conveniently carried out.

The present application provides a lighting device having a first enclosure, a second enclosure, a conduit, and a chamber. The first cover includes an illumination device component that emits a light beam, has two openings, and is sealed at other locations than the two openings. The second cover body comprises an electronic circuit connected with the lighting device component, is provided with an opening, and is sealed at other positions. The first cover body rotates relative to the second cover body. The opening of the first cover body is connected with the opening of the second cover body through the pipeline, and the pipeline rotates relative to the first cover body and is sealed at other positions. The chamber includes a desiccant, two openings, and is sealed with respect to the outside air in other locations. One opening of the chamber is rotatably connected to the opening of the first housing. The other opening of the chamber is entirely covered by a membrane that allows passage of air while reducing passage of water droplets in the air.

The invention discloses an ultrahigh-dose-rate electron beam dose control system and method and related equipment, and relates to the technical field of electron linear accelerators, and the system comprises a pulse generation module which is used for generating a pulse beam; the pulse monitoring module is used for monitoring the number of pulse beams and transmitting the number to the dose control module; the pulse beam sampling module is used for collecting the pulse beam dose and transmitting the pulse beam dose to the dose control module; the dosage control module is used for performing beam output control on the pulse beams according to the number of the pulse beams, the dosage of the pulse beams and a dosage scheme, and setting the dosage scheme through a dosage scheme setting module; by using pulse generation, independent monitoring, sampling and interrupting circuits, and dynamically adjusting the dose scheme and directly controlling the outgoing beam through the dose scheme, dose control accuracy and reliability at very high dose rates are ensured while providing higher safety and operational flexibility.

The present invention relates to the technical field of electronic circuit testing, and particularly relates to a high-precision multi-layer display board line conductivity testing system and method. This method obtains the via quality coefficient through the similarity between vias, the stability and symmetry of the current density curve of vias. By the phase similarity, periodicity, and data change characteristics between the near-end crosstalk signals on the transmission line, and further combining the variation regularity of the far-end crosstalk signals under frequency variation, the transmission quality coefficient of the transmission line is obtained. The data is statistically integrated to obtain the conduction quality coefficient of the multi-layer display board for the evaluation of conductivity. The present invention utilizes the characteristics of vias and transmission lines during the current transmission process, analyzes the changes and laws of signals, and accurately quantifies the conduction quality of the multi-layer display board.

To provide a shielding structure that is easy to maintain and does not require high molding precision. [Solution] The electron beam irradiation device (100) comprises an electron beam generator (4) that generates an electron beam, a transport cylinder (5) that transports the paper (P) so that it passes through the irradiation region (IR) irradiated by the electron beam by holding and rotating a part of the paper (P) to be irradiated by the electron beam, and a shielding structure (8) provided around the irradiation region (IR) in the transport cylinder (5) to shield the radiation. The shielding structure (8) has a plurality of first members (81) whose sides facing the outer circumferential surface (51b) of the transport cylinder (5) are formed in a concave shape. The plurality of first members (81) are arranged to cover the outer circumferential surface (51b).

This application relates to the field of cable technology, specifically disclosing an optoelectronic composite cable and a medical device. The optoelectronic composite cable includes at least: armored optical fiber, comprising an armor tube and an optical fiber disposed within the armor tube; a braided fiber layer wrapped around the armor tube; a protective wrapping layer wound around the braided fiber layer; multiple electron wires distributed circumferentially outside the protective wrapping layer; and a protective layer wrapped around all the electron wires. This optoelectronic composite cable, through the braided fiber layer and the protective wrapping layer, fixes the armor tube, isolating and protecting the external electron wires, preventing damage to the electron wires from the sharp edges of the armor tube, controlling the ductility of the armor, and preventing the wires from easily stretching or deforming, thereby improving the overall sway performance of the optoelectronic composite cable.

The utility model relates to the field of experimental equipment, in particular to an STM32 electronic technology experimental box with liquid splashing prevention, which is characterized in that a closed shell prevents liquid from entering an internal circuit and avoids direct contact between a user and a metal part of a circuit board; a photosensitive sensor module and a temperature sensor module are arranged to monitor environmental conditions, so that the experiment is carried out under proper conditions; the MCU minimum system module receives and processes data from the photosensitive sensor module and the temperature sensor module; the nixie tube module, the first display screen module and the second display screen module are arranged to display experimental data and state information, so that a user can conveniently observe an experimental process; the key input module controls the MCU minimum system module, and the MCU minimum system module controls other modules to complete an experiment; and the USB-to-TTL serial port module and the STLINK trial debugging module are arranged, so that the MCU can communicate with other external equipment. The problem that an open type electronic circuit can be instantly burnt down due to accidental liquid splashing caused by the fact that most of the current experiment boxes do not have a liquid splashing prevention protection function is solved.

To provide a piezoelectric multilayer body and a piezoelectric element having higher piezoelectric performance and higher reliability than before in a case of including a seed layer.SOLUTION: A piezoelectric multilayer body and a piezoelectric element include a lower electrode layer, a seed layer, and a piezoelectric film in this order on a substrate. The piezoelectric film mainly contains a first perovskite oxide containing Pb, Zr, Ti, and Nb. The seed layer mainly contains a second perovskite oxide whose lattice matches with the first perovskite oxide. In the piezoelectric film, the ratio of crystal grains with a grain diameter of 100 nm or less is 15% or less in a crystal grain diameter distribution acquired by an electron beam backscattering diffraction method. When the coercive electric field on a positive side is Ec+ and that on a negative side is Ec- in a polarization-electric field characteristic, |Ec++Ec-|<|Ec+-Ec-|, 55kV / cm≤Ec+≤75kV / cm, and 75kV / cm≤Ec+-Ec-≤100kV / cm are satisfied.SELECTED DRAWING: Figure 2

The invention discloses an accurate and convenient device for post-operation electron beam radiotherapy of ear bruise, which comprises an under-ear base ring and an on-ear clamping sheet matched with the under-ear base ring, a lower clamping ring is arranged on the outer surface of the under-ear base ring corresponding to a ring hole, an upper clamping ring matched with the lower clamping ring is arranged on the inner side surface of the on-ear clamping sheet, and the upper clamping ring is connected with the lower clamping ring. A filling cavity is formed between the inner ring face of the upper clamping ring and the inner side surface of the on-ear clamping piece, a plurality of clamping rods distributed at intervals are arranged on the portion, corresponding to the lower clamping ring, of the inner side surface of the on-ear clamping piece, clamping blocks are arranged at the other ends of the clamping rods and face the side of the lower clamping ring, and corresponding clamping grooves are formed in the outer ring face of the lower clamping ring and correspond to the clamping blocks. The ear scar electron beam radiotherapy device is simple in structure and convenient to operate, gaps existing in the ear scar electron beam radiotherapy process are reduced to the maximum extent, and therefore the radiotherapy irradiation dose can be more accurate and stable, and the curative effect is better.

The invention provides an electronic wire. The electronic wire comprises a conductor and an insulating layer wrapping the conductor, and further comprises a shielding layer wrapping the insulating layer, the shielding layer is made of shielding slurry, and the shielding slurry is prepared from the following raw materials in parts by weight: 13.5-16.5 parts of resin, 49.5-60.5 parts of conductive powder, 0.9-1.1 parts of a catalyst and 9-11 parts of a diluent. The electronic wire has the advantages that the shielding slurry is innovated, the shielding layer is formed on the insulating layer outside the conductor, and the shielding performance of the electronic wire is improved. The electronic wire twisted pair can meet the requirements of USB2.0 signals and EDP signals at the same time, and the transmission quality of the electronic wire twisted pair is superior to that of a traditional electronic wire twisted pair at present.

The invention relates to an electrochemical energy storage device (100) having at least one electrochemical cell (10) which has an electrolyte (13) and at least two electron-conducting materials in the form of electrodes (11, 12) which are connected to the electrolyte (13), wherein an external voltage can be applied between the electrodes (11, 12). In order to provide an increased amount of charge in the form of electrons in the electrochemical cell (10), according to the invention at least one electrode (11, 12) is replaced by at least two partial electrodes (66, 67), which are spatially separated from each other and between which an electron line (71) runs.

The utility model relates to the technical field of teflon electronic wire testing, in particular to a teflon electronic wire tensile strength testing device which comprises a support, two groups of upper fixing blocks arranged in the support and lower fixing blocks correspondingly arranged below the two groups of upper fixing blocks. The two ends of an electronic wire sample are positioned through the elastic effect of the elastic rubber pad, then the two upper fixing blocks are driven by the driving assembly to clamp and fix the two ends of the electronic wire sample, the driving assembly can drive the two upper fixing blocks to move, the lower fixing block and the sliding block can be driven by the guide rod to move, and therefore the tensile strength test is conducted. Compared with the prior art, the device has the advantages that the operation process is simplified, the testing efficiency is improved, the two ends of the electronic wire can bear uniform clamping force, the test data deviation caused by non-uniform clamping force is avoided, the obtained tensile strength data can more truly reflect the performance of the Teflon electronic wire, and the accuracy of product quality evaluation is improved.

The present application belongs to the technical field of electrical components, and particularly relates to an electronic wire harness winding device and a winding method. The present application provides an electronic wire harness winding device, which comprises a stripping device arranged on one side of a placing table close to an electric wire roll, and a cutting device arranged on one side of the stripping device. The electric wire extends to the direction of a conveying belt after sequentially passing through the stripping device and the cutting device. The electric wire is unwound to a preset length. The stripping device is suitable for cutting the insulating layer on the upper part of the outer wall of the electric wire. After the cutting mark of the outer wall of the electric wire moves to beyond the cutting device, the cutting device is suitable for cutting the electric wire. The electric wire moves relative to the stripping device. The stripping part of the stripping device is suitable for stripping the insulating layer of the outer wall of the electric wire from the cutting mark, and the stripped insulating layer is left on the lower part of the copper core of the electric wire. Through the arrangement of the stripping device, the insulating layer of the outer wall of the electric wire can be stripped, and the stripped insulating layer is left on the lower part of the copper core of the electric wire.

A wellbore depth instrument (WDI) for measuring wellbore depths along a wellbore, acting as an odometer. In one embodiment, the WDI may be mounted onto a downhole tool-string deployed by a pipe, coil, e-line, or slickline. Further, the WDI may comprise two independently suspended wheels of fixed diameter with respective internal electronic packages that each may record in memory rotations of their respective wheels and frequencies of those rotations along the wellbore. Such recordings may allow for accurate determination and characterization of tool-string dynamics (e.g., tool-string speed, direction, stick slip, creep and hold-ups) as well as absolute and relative tool-string position along a wellbore (i.e., wellbore depth).