115 results about "Single probe" patented technology

The invention relates to the technical field of probe cards, and particularly discloses a probe card stroke compensation system and method, and the method comprises the steps: analyzing the distance value of each probe in a probe card, obtaining a distance characterization value WB, judging whether the abnormal degree of the probe card generates an adjustment signal or not based on the distance characterization value WB, and adjusting the stroke of the probe card based on the adjustment signal. The method comprises the following steps: applying test pressure to a single probe at a fixed rate, analyzing the change trend of a distance value along with the increase of the test pressure, judging whether the change of the distance value of the probe along with the increase of the test pressure is linear or not, and selecting an appropriate model as a prediction model based on the judgment result of whether the change of the distance value of the probe along with the increase of the test pressure is linear or not. According to the invention, the distance standard value can be adjusted in time according to the actual monitoring condition, and the pressure during the probe stroke compensation can be correspondingly adjusted, so that the problem caused by the overlarge difference between the actual distance value and the predicted distance value can be effectively solved, and the normal work of the probe card and the accuracy of the test effect can be ensured.

The invention belongs to a testing and processing method, and provides a single-probe non-contact dielectric material testing and processing integrated system and a single-probe non-contact dielectric material testing and processing integrated method in order to solve the technical problems of poor real-time performance and controllability and low production efficiency of the existing dielectric material testing and processing technology. Comprising a controllable objective table, a resonant cavity single probe assembly, a programmable multi-way switch and a control unit, a single epitaxial microwave resonant cavity probe is adopted as a core component, and rapid switching and regulation of the resonant cavity single probe assembly, a vector network analyzer and a program control microwave signal generation and regulation device are realized through the programmable multi-way switch. By means of the testing and processing integrated system, non-contact type dielectric constant dynamic measurement and microwave processing can be alternately completed.

The invention relates to the technical field of soil physical parameter in-situ measurement, and discloses a soil layer natural water content portable intelligent measuring instrument based on multi-source sensing fusion, which comprises a composite probe assembly and an intelligent measurement and control host which are physically connected, the composite probe assembly is configured to be inserted into a soil layer to be tested to construct a multi-physical field test environment, and an electrical transceiving unit and an acoustic transceiving unit are integrated in the composite probe assembly. By constructing a cross physical field excitation and multiphase parameter collaborative decoupling mechanism, a multidimensional dynamic correlation model is established by using the thermosensitive drift characteristic of the sound velocity of a mixed medium during thermal disturbance and the transient step response of a dielectric constant under an acoustic radiation force field; the problems that the coupling influence of the water content and the volume weight cannot be distinguished and the conductivity of bound water and the conductivity of free water are difficult to separate in a traditional means are effectively solved, and four independent physical quantities including the volumetric water content, the in-situ dry volume weight, the bound water content and the actual conductivity of pore water are synchronously inverted through a single probe. And the decoupling precision of the equipment on complex multi-phase soil medium parameters is improved.

The invention relates to a plasma fluctuation measuring device and method. The invention relates to the technical field of plasma characteristic parameter measurement. The device comprises a reference probe, a measuring probe, a probe ceramic supporting tube, a replaceable probe body, a probe base, a coaxial anti-interference resistor, an upper computer, a coaxial connector, a potential signal acquisition module, a direct-current power supply module, a coaxial three-way connector, a digital signal connector, a probe plug, an elastic probe slot, a resistor body, a coaxial connector and an aluminum shielding shell. A traditional single-probe fluctuation measuring device is perfected, fluctuation frequency information can be measured like a single probe, fluctuation wavenumber information and a dispersion relation can be measured at the same time, and comprehensive measurement of plasma fluctuation is achieved.

The invention discloses a probe card flatness detection method, equipment and a medium, relates to the technical field of semiconductor testing, and solves the problems that the current probe card flatness detection is easily influenced by factors such as illumination conditions, so that the detection difficulty of a single probe is high, and the detection of a probe card is inaccurate. The method comprises the following steps: constructing a position length matrix of the probe through the length of the optical probe and the coordinates of the probe, and then judging the corresponding qualification condition of the first flatness of the probe card according to the position length matrix; based on the test results of the probe card and the first test film and the test results of the probe card and the second test film, the corresponding qualification condition of the second flatness of the probe card is judged; the actual impedance value of the probe is detected, and the corresponding qualification condition of the third flatness of the probe card is judged; the thermal deformation of the probe is calculated, whether the overall flatness of the probe card is qualified or not is judged based on the thermal deformation, and accurate detection of the flatness of the probe card is achieved by combining multiple detection methods.

The invention belongs to the field of rotating machinery blade vibration monitoring and feature extraction, and provides a single-probe rotating blade vibration parameter identification method based on an ESPRIT algorithm. Blade tip timing vibration signals and time signals of the blade are collected under the gas excitation working condition; constructing two groups of different dual-channel blade tip timing vibration sequences Series1 and Series2 by combining the sequence of the blade passing through the probe, and respectively calibrating the blade rotation angle of each sequence passing through the probe; frequency information identification is carried out on the constructed two groups of dual-channel blade tip timing vibration sequences to obtain estimated frequency information; and blade resonance frequency information calculation is carried out in combination with a frequency aliasing relation, vibration signal amplitude information solving is carried out in combination with a signal characteristic value, and blade vibration parameter identification is realized. According to the method, one probe is installed on the machine shell to complete identification of blade vibration information, the monitoring cost problem and the probe layout problem caused by the adoption of multiple probes are avoided, and the method has important practical application value.

The invention provides a probe group and a kit for capturing a full-length genome of a respiratory syncytial virus (RSV), and belongs to the technical field of virus detection. The invention discloses a probe group for capturing a full-length genome of a respiratory syncytial virus. The probe group comprises probes with nucleotide sequences as shown in SEQ ID NO: 1-SEQ ID NO: 900. According to the invention, the probe group and next-generation sequencing are combined to obtain an RSV full-length genome sequence. Compared with a primer or a probe used in a sequencing method in the prior art, the single probe in the probe group is short and high in specificity, the same site is designed by using the imbricate probe, all variations of the site are covered, and when a virus sequence is captured, the probe group has the characteristics of high sensitivity, high coverage rate and high flux.

The utility model relates to the technical field of railway turnout flaw detection, in particular to a flaw detection device suitable for a shellfish frog alloy steel point rail, which comprises an ultrasonic flaw detector, a scanning frame and a folding guide rail, the scanning frame comprises a frame body, a grip is arranged at the upper end of the frame body, a wiring port is arranged at one end of the upper side of the grip, and a photoelectric wheel is rotatably arranged at the front end of the frame body. A 0-degree probe, a front 37-degree single probe and a rear 37-degree single probe are sequentially arranged at the lower end of the frame body, the folding guide rails comprise a guide rail A and a guide rail B, the guide rails are rotationally connected through connecting pieces, the guide rails on the folding guide rails are unfolded into a straight line through the connecting pieces during use, and the scanning frame is mounted in the guide rails for flaw detection operation. According to the utility model, the 0-degree probe, the front 37-degree single probe and the rear 37-degree single probe are arranged to realize flaw detection of transverse cracks at the variable cross-section arc part of the rail bottom of the alloy steel point rail, so that the situations of missed detection and missed detection of a shell frog in a traditional detection mode are effectively avoided, and the driving safety is ensured.

The invention relates to the technical field of semiconductor probe performance testing, in particular to a probe performance testing method, which comprises the following steps of: calculating resistance consistency and a signal transmission fidelity ratio of a probe interference working condition through a contact simulation test and a signal transmission simulation test, and performing single-probe simulation verification; for double probes formed by qualified single probes, calculating contact pressure interference variables and electromagnetic crosstalk interference variables, and carrying out cooperative interference judgment; extracting historical probe false data, and constructing an interference false risk model and a non-interference false risk model; grouping the double probes according to interference degrees, and substituting the grouped double probes into corresponding models to calculate risk assessment values; determining an adjustment direction and an adjustment scheme for the high-risk group, and calculating the average attenuation rate of the double probes after adjustment; and after the attenuation rate is verified to reach the standard, the probe group is determined as a qualified performance test probe group, so that the accuracy, the stability and the anti-interference capability of semiconductor probe performance detection are effectively improved.

1. The name of the design product: double track flaw detector single probe wheel alignment structure. 2. The use of the design product: for ultrasonic flaw detection of steel rails in railway infrastructure. 3. The design features of the design product: in the frame structure. 4. The picture or photo that best indicates the design features: perspective view.

The utility model relates to the technical field of semiconductor chips, in particular to a semiconductor chip test probe, which comprises an installation frame, a probe rod is inserted in an inner cavity of the installation frame, an installation sleeve is fixedly sleeved on the outer surface of the probe rod, the probe rod comprises a rod main body, an installation groove is arranged at the bottom of the rod main body, and the installation sleeve is fixedly sleeved on the installation groove. Limiting vertical grooves are formed in the left side and the right side of the bottom of an inner cavity of the mounting groove, connecting sliding grooves are formed in the tops of the limiting vertical grooves, positioning sliding grooves are formed in the inner sides of the bottoms of the connecting sliding grooves, and supporting springs are fixedly connected to the top of an inner cavity of the mounting groove. When the probe rod is damaged, the limiting clamping block is pushed inwards to move out of the limiting opening, the mounting frame is pulled forwards to separate the positioning insertion plate from the interior of the positioning insertion shell, the damaged probe rod is taken down and replaced, the positioning insertion plate is inserted into the positioning insertion shell and pushed forcibly, and the limiting clamping block is clamped into the limiting opening for positioning. Therefore, the single probe rod can be conveniently disassembled, assembled and replaced, and the replacement efficiency is improved.

The invention discloses a photoelectric detection type landslide probe, and relates to the field of highway and railway slope landslide detection, and the probe comprises a probe cap which is internally provided with a communication module, a signal processing calculation module and a photoelectric detection module from top to bottom in sequence; the probe tube is of a cylindrical hollow structure; the probe end is connected to the bottom of the needle tube and corresponds to the probe cap up and down; the photoelectric detection module comprises a detection camera, a laser transmitter, a photoelectric target surface, a reflector and a detection camera laser transmitter. The probe tube and the probe end of the probe are arranged on the slope, whether the probe tube is deformed or not is analyzed according to the path change of light rays, so that whether landslide happens to the slope or not is judged, the information is sent to terminal equipment through the communication module for remote monitoring, landslide detection work can be completed through the single probe, the structure is simple, installation is convenient, and cost is low. The landslide detection precision is improved, and the cost investment is reduced.

The invention discloses a switching system and method for realizing multi-probe random switching of multiple power supplies, and the system comprises an upper computer, a detection unit, an isolation unit, and a plurality of power supply single-double switching units, and the upper computer is disposed at a remote end; and the plurality of power supply single-double switching units are used for switching signals according to the isolated single-double probe modes and realizing any combination connection between the plurality of groups of power supplies and the plurality of probes, and each group of power supplies is connected with two probe switching circuits through a first relay, so that one power supply drives the two probes to work in a single-probe mode or a double-probe mode. According to the invention, a plurality of power supplies can be switched to be directly paired with a plurality of probes at will through remote control, and the power supplies can work in a single-probe mode or a double-probe mode without manual switching. The operability of random switching between a plurality of power supplies and a plurality of probes is greatly improved, meanwhile, the problem that on-site switching cannot be achieved manually is solved, and the state and the service life times of a relay can be monitored.

The present invention relates to an ultrasonic dry-coupled roller probe and a detection method, belonging to the field of non-destructive testing technology, and solves the problem in the prior art that a single-side single probe cannot be used for detection and that longitudinal crack defects cannot be detected. The present invention provides an ultrasonic dry-coupled roller probe, comprising a first wafer and a second wafer that are parallel and arranged adjacent to each other at their ends; the first wafer is provided with a delamination defect detection area and a crack defect detection area; the crack defect detection area of ​​the first wafer is provided with a first wedge block close to the side of the inspected part, and the second wafer is provided with a second wedge block close to the side of the inspected part; the ultrasonic signal of the delamination defect detection area of ​​the first wafer is used to detect the delamination defect of the inspected part, and the ultrasonic signals of the crack defect detection area of ​​the first wafer and the second wafer are used to detect the crack defect of the inspected part, thereby realizing a single-time, single-side, single-probe, rapid and accurate ultrasonic detection of delamination and crack defects of a composite material antenna cover.

The invention discloses a primer pair, a probe and a kit for detecting Nipah virus and Hendea virus and application of the primer pair, the probe and the kit, and belongs to the technical field of molecular biology. The invention provides a primer pair and a probe for detecting a Nipah virus and a Hendea virus in order to solve the technical problems that a method for detecting the Nipah virus and the Hendea virus in the prior art is tedious in detection process, long in time consumption and relatively high in requirements on detection personnel and equipment, and provides a primer pair and a probe for detecting the Nipah virus and the Hendea virus. The invention also provides a single probe kit and a multi-probe kit containing the primer pair and the probe. The kit provided by the invention has relatively high specificity and sensitivity on detection of the Nipah virus and the Hendea virus, and can realize rapid visual identification and detection of the Nipah virus and the Hendea virus on an epidemic disease site.

The application discloses a double-side D-type PCF-SPR three-parameter sensor and a decoupling measurement method thereof, wherein a PCF of the sensor comprises a base material, two parallel D-type plane structures are formed by polishing the upper and lower sides of the base material, a gold film is coated on the upper surface of the upper D-type plane structure, then a methane sensitive material is coated as a methane concentration sensing channel, a gold film is coated on the lower surface of the lower D-type plane structure, then a temperature sensitive material is coated as a temperature sensing channel; a PCF cladding of the sensor comprises two layers of air holes, a gold film is deposited on the inner wall surface of the outer layer air hole, and a humidity sensitive material is coated on the inner side of the gold film as a humidity sensing channel. The application realizes the spatial partition integration of the methane, temperature and relative humidity three channels by constructing the upper and lower double-side D-type polished planes on the same photonic crystal fiber and combining the third coupling interface in the outer layer air hole, so that the three parameters can be synchronously acquired in a single probe, and the system integration degree and the on-site deployment convenience are remarkably improved.

A net-shaped multipoint probe adaptive to a crack width gauge belongs to the technical field of urban physical examination tools, a plurality of hanging probes are detachably connected to a stretching net sheet, each hanging probe comprises a hanging part and a single probe, the hanging part comprises a main positioning plate, a penetrating plate and a movable clamping plate, and the main positioning plate and the single probe are arranged on the stretching net sheet. A penetrating plate is horizontally arranged on the side, facing the stretching mesh, of the main positioning plate, one end of the penetrating plate is fixedly connected with the main positioning plate, a movable clamping plate is arranged at the other end of the penetrating plate, and the penetrating plate penetrates through meshes of the stretching mesh. A clamping gap matched with the stretching mesh is defined by the side, facing the stretching mesh, of the main positioning plate, the bottom face of the penetrating plate and the inner wall of the movable clamping plate, and a single probe is arranged on the other side of the main positioning plate. Deviation of measurement data is caused by inaccurate test point positions, and the device is specially used for measuring a plurality of radial or adjacent cracks.

The invention discloses a steel rail welding seam ultrasonic flaw detection method and device. The method comprises a TOFD detection method, a single-probe reflection detection method and a double-probe K-type detection method. A plurality of pairs of rail side flaw detection probes and different combinations of zero-degree rail surface probes and inclined rail surface probes are arranged on two sides of the inner and outer side surfaces of a steel rail from bottom to top by taking a welding seam as a center, and a TOFD detection method, a single-probe reflection detection method and a double-probe K-type detection method are adopted, so that all-directional and multi-angle detection of a steel rail welding seam area is realized. By means of the method, longitudinal defects, transverse defects and defects at different depth positions in the welding seam can be effectively detected, the leakage detection risk is greatly reduced, and the comprehensiveness and reliability of steel rail welding seam quality detection are ensured.

The invention discloses an online magnetic field measurement system and method of a linear fusion device, and relates to the technical field of magnetic field measurement of nuclear facilities. The on-line magnetic field measurement system of the linear fusion device comprises a circular track of which the circle center is aligned with the central axis of the magnetic field of the linear fusion device, the circular track is provided with a circular motion part, the circular motion part is connected with a transverse track, the transverse track is provided with a transverse motion part, and the transverse motion part is connected with a longitudinal track. The longitudinal track is provided with a longitudinal moving part which is connected with a magnetic field detector. The circular track and the circular motion piece are matched to enable the magnetic field detector to do circular motion, the transverse track and the transverse motion piece are matched to enable the magnetic field detector to do transverse motion, and the longitudinal track and the longitudinal motion piece are matched to enable the magnetic field detector to move from the outer side to the center in the direction perpendicular to the magnetic field axis of the linear fusion device. Magnetic field measurement of a single probe at any position in the space can be realized, the measurement precision is high, the operability is good, and the measurement efficiency is improved.

A measuring device detects buried structures in a sample, such as voids or other underlying structures, based on an instantaneous signal difference determined from a single signal acquisition. The single signal acquisition is produced using a series of primary pump pulses and series of secondary pump pulses, which are intensity modulated and opposite in phase. The primary pump pulses and secondary pump pulses are combined to form a pump beam that is incident on the sample causing transient perturbations in material in the sample. Probe pulses are likewise incident on the sample and each probe pulse is modulated by the combined transient perturbations caused by a preceding primary pump pulse and a preceding secondary pump pulse. A series of reflected probe pulses are detected and demodulated to determine an instantaneous signal difference produced in response to the combined primary and secondary pump pulses, from which the buried structure is detected.

The invention discloses a double-probe and primer composition for detecting HLA-B * 58: 01 alleles, and relates to the technical field of biotechnology and genetic diagnose.The double-probe and primer composition detects the HLA-B * 58: 01 alleles with non-diagnosis and non-treatment as the purpose through the following steps that template DNA is extracted from anticoagulation; performing real-time quantitative qPCR (quantitative polymerase chain reaction) amplification by taking the DNA extracted in the step 1 as a sample DNA; during qPCR amplification, FAM, HEX and CY5 three-channel fluorescence signals are respectively collected in real time, and HLA-B * 58: 01 alleles of a sample to be detected are analyzed; compared with the existing single-probe detection, the double-probe and primer composition for detecting the HLA-B * 58: 01 allele has the advantage that the detection accuracy and reliability can be remarkably improved by simultaneously using two specific probes.

The invention discloses application of a methoxynaphthalene fluorescent compound in simultaneous observation of sulfur dioxide derivatives, pH value and viscosity. The fluorescent compound provided by the invention can be used for simultaneously detecting sulfur dioxide derivatives, pH value and viscosity change in a solution and cells. When the fluorescent probe is used as the fluorescent probe, compared with the existing single detection probe, one probe can be used for replacing three probes to solve the same problem, so that the cost can be reduced, and the detection operation is simpler and more convenient.

The invention discloses a fluorescence sensing system based on machine learning and carbon dots and application thereof, and belongs to the technical field of analytical chemistry, the fluorescence sensing system comprises a sensing array unit, a data acquisition unit and a data processing unit; the sensing array unit comprises more than three types of sensing units, and the more than three types of sensing units are obtained by respectively placing a single type of fluorescent probe in different chemical environment media; the data acquisition unit is used for acquiring a fluorescence signal of each sensing unit to form a data matrix; and the data processing unit is internally provided with a machine learning model and is used for processing the data matrix and outputting a recognition result of the metal ions. The invention provides a technical method of sensor array construction based on a single probe, signal diversity is created by regulating and controlling an external environment instead of an internal structure of the probe, the technical method is a brand-new technical means with remarkable economical efficiency and simplicity, and the technical method is essentially different from the prior art relying on synthesis of multiple probes.

A wedge amplitude-modulation probe card and a main body thereof. The probe card includes a probe card main body, upper wedge plates and lower wedge plates. Several upper wedge plates and several lower wedge plates are slidably arranged inside the probe card main body, and the several upper wedge plates and the several lower wedge plates are sequentially arranged at intervals in a staggered manner, so that by means of inserting different numbers of upper wedge plates between the lower wedge plates, probes on the upper wedge plates can be inserted into or shifted out of a probe queue thereunder, so as to increase or decrease the number of probes for testing, and thus, the testing amplitude of a single probe card can be adjusted, such that the probe card has universality.

A fiber-optic transmission probe system for, for example, dissolution testing, includes a single probe, a single probe tip, and a number of pathlength adjusters of different lengths. The transmission probe system is usable to assemble different probe assemblies having different, desired optical pathlengths, where each probe assembly has either no pathlength adjuster or a different one of the pathlength adjusters. The probe system avoids the prior-art requirements of having either (i) multiple probes of different, fixed optical pathlengths or (ii) a probe with multiple probe tips of different, fixed lengths to achieve the different, desired optical pathlengths.

A combined OCD and photoreflectance system and method for improving the OCD performance in measurements of optical properties of a target sample. The system comprises (a) either a single channel OCD set-up comprised of a single probe beam configured in a direction normal / oblique to the target sample or a multi-channel OCD set-up having multiple probe beams configured in normal and oblique directions to the target sample for measuring the optical properties of the target sample, (b) at least one laser source for producing at least one laser beam, (c) at least one modulation device to turn the at least one laser beam into at least one alternatingly modulated laser beam, and (d) at least one spectrometer for measuring spectral components of the at least one light beam reflecting off said target sample; wherein the at least one alternatingly modulated laser beam is alternatingly modulating the spectral reflectivity of the target sample.

The invention provides an interventional operation ultrasonic imaging method and system, and aims to solve the problems that the manual switching efficiency of an ultrasonic probe is low, and a single probe is difficult to adapt to different blood vessel forms and dynamic environments, so that guide wire positioning lags behind, and the operation risk is high. The system comprises an ultrasonic imaging device used for collecting, processing and displaying ultrasonic images in real time; a probe assembly is installed on an end effector of the multi-degree-of-freedom mechanical arm, and the probe assembly comprises a convex array probe and a linear array probe which can be switched; the control module automatically switches probe types according to the diameter of the blood vessel identified in the ultrasonic image: when the diameter of the blood vessel is detected to be greater than a preset threshold value, the control module controls the mechanical arm to rotate the end effector so as to switch to the convex array probe; when it is detected that the diameter of the blood vessel is smaller than or equal to the preset threshold value, the mechanical arm is controlled to rotate the end effector to be switched to the linear array probe. By recognizing environmental parameters such as the diameter of the blood vessel in real time, automatic and rapid switching of the probe is achieved.

The invention provides a probe deflection correction method and device for a trunk liquid flow heat pulse probe. The method comprises the following steps: determining xylem volume heat capacity through tree water content and dry material density obtained through real-time measurement; under the condition that it is judged that the liquid flow speed is within the preset speed interval, in the time range from the heat pulse closing moment to the first preset moment, nonlinear fitting is conducted on the change rule of the temperature difference of the upstream probe along with time and the change rule of the temperature difference of the downstream probe along with time, and the heat conductivity is obtained; dividing the thermal conductivity by the xylem volume thermal capacity to obtain a thermal diffusion coefficient; on the basis of a heat convection conduction equation, calculating according to the heat conductivity and the heat diffusion coefficient to obtain an upstream probe actual distance and a downstream probe actual distance; compared with an interval correction method based on a single probe benchmark in the prior art which is unstable in different deflection scenes, solution of the actual interval of the probes is not affected by the deflection scenes, stability of correction is guaranteed, and accuracy is high.

Multi-band remotely configurable tuning probes for slide screw impedance tuners allow instantaneous larger frequency coverage beyond the capacity of existing tuning probes using the single horizontal and vertical axis mechanism of a prior art single probe, single band tuner. This is done by carving multiple slugs of different length and frequency coverage as segments of a disc-shaped revolving slab, which rotates inside the legs of a captive unit and locks at distinct angles. The captive unit is attached to the vertical control mechanism of the tuner and rotation is ensured using multiple traverse lateral studs on the disc unit and a set of vertical studs on the slabline close to the idle port of the tuner. An automated procedure ensures remote switching between tuning slugs. Calibration and tuning is as in prior art single probe tuners.

The invention provides laser sintering equipment, an LECO machine table and a method for processing an 0BB battery. The equipment comprises an outer frame, probe frames are arranged on the outer frame, and at least two rows of probes are distributed on each probe frame; and all the probes are mounted on the probe frame in a detachable manner. According to the laser sintering equipment provided by the invention, at least two rows of probes are distributed on each probe frame, so that the problem that a single probe row cannot reach partial auxiliary grid voltage can be relieved to a great extent, the fill factor FF can be improved, the contact resistance can be reduced, and the overall performance of a battery is improved. In addition, the design of two rows of probes is adopted, the density of the probes can be increased, and the machining precision and stability can be improved. Moreover, the design of the two rows of probes can also improve the processing stability, so that each battery can obtain a consistent processing effect, thereby improving the quality and consistency of products.