System and method for detection of micro-nano Newton force on spherical membrane vibratory quantum and application of method

A detection method and detection system technology, which is applied in the measurement of the change force of the optical properties of the material when it is stressed, can solve the problem of long time

Inactive Publication Date: 2012-01-25
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

The measurement method in the published patent belongs to the static balance measurement method, that is, the interferogram collected during the measurement needs to wait for the spherical membrane to vibrate and reach equilibrium before the measurement result can be obtained, and the time required is relatively long

Method used

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  • System and method for detection of micro-nano Newton force on spherical membrane vibratory quantum and application of method
  • System and method for detection of micro-nano Newton force on spherical membrane vibratory quantum and application of method

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Embodiment Construction

[0026] The micro-nano force detection method and system for spherical membrane vibration of the present invention will be described below with reference to the accompanying drawings.

[0027] Such as figure 1 As shown, the spherical membrane vibration amount micro-nano force detection method and system of the present invention include:

[0028] Microscope 101, loaded on the micro-operation platform, used for magnified observation when microparticles are loaded;

[0029] The micro-operation platform 102, the entire detection process is carried out on the micro-operation platform, the micro-operation platform in the figure mainly refers to the physical structure of the micro-operation platform, which is used to load the microscope, as a micro-drive mechanism and a microparticle holder

[0030] Rigid body physical platform of the mechanism;

[0031] Disposable spherical membrane elimination mechanism 103, after the detection is completed, eliminates the disposable spherical mem...

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PUM

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Abstract

The invention, which relates to the micro-nano Newton force detection technology field, discloses a system and a method for detection of a micro-nano Newton force on a spherical membrane vibratory quantum. According to the method, under an effect of spherical membrane vibration, on the basis of changes of a diameter and a thickness of a spherical membrane, detected vibratory quantum change information enables detection on a micro-nano Newton force exerted on a spherical membrane to be realized. The system comprises a micromanipulator platform, a corpuscule loading mechanism, a spot light source, a PSD sensor, a data processing system and the like. In addition, the system also comprises a one-time spherical membrane generation mechanism or a spherical membrane support that is used for a repeated spherical membrane. According to the invention, enormous economic benefits and technological supports are brought for micro-force detection fields like biomedicine and molecular chemistry and the like in China.

Description

technical field [0001] The invention relates to micro-nano force detection technology, more specifically, a system and method for detecting micro-nano force using the principle of spherical membrane vibration. Background technique [0002] With the development of micro-nano technology and biomedical technology, nN-level micro-force measurement in the fields of microorganisms, cells, and molecular clusters has attracted more and more attention, and the research on micro-force sensors has become a new research hotspot. Most of the research on micro force sensors at home and abroad is based on silicon wafer cantilever beams, ZnO piezoelectric thin films, PZT piezoelectric twin crystal beams, etc. as sensitive elements, and the measurement accuracy can reach the μN level. Surface tension analysis has a certain effect, but it is not enough for the measurement of biological microtissue force, cell weight classification, and molecular cluster gravity measurement, because the force ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/24
Inventor 陆永华赵东标刘凯
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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