Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

38results about How to "Precision testing" patented technology

Reflectance distribution curve modeling method, thickness measurement scheme and thickness measurement reflectometer using same

The reflectance distribution curve modeling method of the present invention is for modeling a reflectance distribution of a thin film layer according to a change in the wavelength of light with respect to a thin film layer having a uniform thickness, and comprises: a reflectance distribution curve preparation step whereby a reflectance distribution curve is prepared to represent reflectance distribution of the thin film layer according to a change in wavelength of light; an input intensity setting step whereby an intensity distribution curve is prepared to represent intensity of light in a certain wavelength band around a specific wavelength for which white light was band-passed, and then the intensity distribution curve is integrated within the wavelength band to set as an input intensity of the specific wavelength; an output intensity setting step whereby a combined intensity distribution curve of the reflectance and intensity distribution curves is integrated within the wavelength band to set an output intensity of the specific wavelength; an integrated reflectance setting step whereby a value obtained by dividing the output intensity of the specific wavelength by the input intensity of the specific wavelength is set as an integration reflectance of the thin film layer for the specific wavelength; and an integration reflectance distribution curve generating step whereby an integration reflectance distribution curve for reflecting the integration reflectance distribution according to a change in wavelength is generated by repeating the input intensity setting step, the output intensity setting step and the integration reflectance setting step, while changing the specific wavelength.
Owner:SNU PRECISION CO LTD

Optical and thermal infrared multi-stage imaging detection method and device for defects of transparent component

The invention discloses an optical and thermal infrared multi-stage imaging detection method and device for defects of a transparent component, and the method comprises the following steps: carrying out the optical imaging of a 3C transparent component, obtaining an optical image, and preliminarily judging the position and size of the defects of the 3C transparent component; using nitrogen to heatthe defect position of the 3C transparent component, carrying out thermal infrared imaging, and obtaining a thermal infrared image; and fusing the optical image and the thermal infrared image, and then recognizing the defect type of the 3C transparent component through deep learning. The device comprises an optical detection module, a thermal infrared detection module, a motion control module, adata fusion module, a deep learning module, an auxiliary manipulator and a display alarm module which are in communication connection with one another through a bus. Through optical imaging and thermal infrared ultrasonic imaging, multi-physical-quantity and multi-stage detection is carried out on a defective product, and then optical and infrared multi-source information fusion is completed through the convolutional neural network, so that the identification rate of defect detection of the 3C transparent component is improved.
Owner:GUANGDONG HUST IND TECH RES INST

Nano magnetic particle chemiluminiscence assay kit for free HCG (human chorionic gonadotropin) beta subunit, preparation method for Nano magnetic particle chemiluminiscence assay kit and detection method adopting Nano magnetic particle chemiluminiscence assay kit

The invention relates to a nano magnetic particle chemiluminiscence assay kit for a free HCG (human chorionic gonadotropin) beta subunit, a preparation method for the Nano magnetic particle chemiluminiscence assay kit and a detection method adopting the Nano magnetic particle chemiluminiscence assay kit. The kit comprises a first agent, a second agent and a magnetic separation agent, wherein the first agent comprises solution of free HCG beta subunit antibody marked with fluorescein isothiocyanate; the second agent comprises solution of free HCG beta subunit antibody marked with alkaline phosphatase; and the magnetic separation agent comprises suspension of magnetic particles coated with a fluorescein isothiocyanate resistance antibody. The invention further discloses the preparation method of the kit and the detection method for detecting the HCG beta subunit by adopting the kit. Compared with the prior art, the nano magnetic particle chemiluminiscence assay kit has better accuracy, higher precision and higher sensitivity; a sample to be detected does not need to be pre-diluted; and the nano magnetic particle chemiluminiscence assay kit is simple and time-saving to operate, has a wide detection range and is low in cost.
Owner:SUZHOU HAOOUBO BIOPHARML

Unpowered pipeline inspection robot with controllable speed

The invention belongs to the technical field of pipeline inspection equipment, and particularly relates to an unpowered pipeline inspection robot with controllable speed. The unpowered pipeline inspection robot with controllable speed comprises a shell, and a first rotation device, a second rotation device and a drive device arranged in the shell, wherein the first rotation device and the second rotation device are respectively arranged at two ends of the shell; the first rotation device is connected with the drive device in a meshing way; the drive device drives the first rotation device so as to enable the shell to rotate axially; at least one group of wheel set module is arranged between the first rotation device and the second rotation device; and according to the wheel set modules, the advancing speed of the robot is adjusted through a first electromagnetic damping motor. Compared with the prior art, according to the unpowered pipeline inspection robot with controllable speed provided by the invention, the advancing speed of the robot is adjusted through the first electromagnetic damping motor, so that the stability in actively controlling the speed is realized; and in addition, the drive device drives the first rotation device to rotate, and the shell further keeps rotation in the advancing process, so that the detection area of a detection sensor on the surface of the shell is increased, and a large number of detection cost is saved.
Owner:李柏松 +1

Moisture detection sensor, defect detection sensor, and sensor array using same

InactiveCN107209119AEffective monitoring of concentration changesGood choiceMaterial analysis using reversible reactionsMaterial analysis by observing effect on chemical indicatorSensor arrayCalcein AM
The present invention provides a moisture detection sensor, a defect detection sensor, and a sensor array using the same, the moisture detector sensor comprising at least one moisture sensitive compound selected from the group consisting of Calcein, Calcein acetoxymethyl ester, Calcein-AM and Calcein blue. The moisture detection sensor and the defect detection sensor of the present invention have excellent selectivity, thereby being able to accurately quantify only moisture without being influenced by a coexisting gas, and are reversible so that the moisture detection sensor and the defect detection sensor can be re-used continuously, whereby it possible to reduce costs required and effectively monitor changes in moisture concentration. As such, the moisture detection sensor and the defect detection sensor can measure moisture barrier properties or water vapor transmission properties. In addition, the moisture detection sensor and the defect detection sensor have advantages of accurately detecting moisture due to excellent sensitivity and being very fast in response speed. Further, the present invention can easily monitor defects by utilizing the phenomenon whereby moisture easily penetrates into the defect detection sensor through a defect and thus fluorescence intensity increases.
Owner:KOREA INST OF CERAMIC ENG & TECH

Reflectance distribution curve modeling method, thickness measurement scheme and thickness measurement reflectometer using same

The reflectance distribution curve modeling method of the present invention is for modeling a reflectance distribution of a thin film layer according to a change in the wavelength of light with respect to a thin film layer having a uniform thickness, and comprises: a reflectance distribution curve preparation step whereby a reflectance distribution curve is prepared to represent reflectance distribution of the thin film layer according to a change in wavelength of light; an input intensity setting step whereby an intensity distribution curve is prepared to represent intensity of light in a certain wavelength band around a specific wavelength for which white light was band-passed, and then the intensity distribution curve is integrated within the wavelength band to set as an input intensity of the specific wavelength; an output intensity setting step whereby a combined intensity distribution curve of the reflectance and intensity distribution curves is integrated within the wavelength band to set an output intensity of the specific wavelength; an integrated reflectance setting step whereby a value obtained by dividing the output intensity of the specific wavelength by the input intensity of the specific wavelength is set as an integration reflectance of the thin film layer for the specific wavelength; and an integration reflectance distribution curve generating step whereby an integration reflectance distribution curve for reflecting the integration reflectance distribution according to a change in wavelength is generated by repeating the input intensity setting step, the output intensity setting step and the integration reflectance setting step, while changing the specific wavelength.
Owner:SNU PRECISION CO LTD

Large-scale magnetic suspension detection method and device based on magnet arrays

The invention provides a large-scale magnetic suspension detection method and device based on magnet arrays. The detection method comprises the steps: constructing two groups of magnet arrays of which same poles are oppositely arranged; placing a diamagnetic sample in a container filled with a paramagnetic medium between the two groups of magnet arrays; after the diamagnetic sample suspends stably, measuring the suspension height of the diamagnetic sample; and determining a density calculation formula through a calibration experiment, and then obtaining the density of the diamagnetic sample through calculation. According to the detection method disclosed by the invention, the diamagnetic sample is detected in the form of the magnet arrays instead of large-size magnets, so that the density detection of the large-size sample is realized, and the detection precision is high; and the size of the magnet arrays can be adjusted according to the size of a sample to be detected, paramagnetic media with different densities can be replaced, the applicability is high, and the detectable density range is wide. The detection device comprises two groups of magnet arrays and a transparent container, wherein the same poles of the two groups of magnet arrays are arranged oppositely, and the transparent container is arranged between the two groups of magnet arrays and is filled with the paramagnetic media.
Owner:ZHEJIANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products