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MCBJ (mechanically controllable break junction) device combining stepping motor and piezoelectric ceramic

A piezoelectric ceramic and stepper motor technology, which is used in measurement devices, material analysis by electromagnetic means, instruments, etc., can solve the problems of small chip attenuation coefficient, etc. Effect

Inactive Publication Date: 2017-06-30
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a mechanically controllable cleavage device for stepping motors and piezoelectric ceramics for the disadvantages of the existing mechanically controllable MCBJ (MCBJ) technology, such as the small attenuation coefficient of the Notched wire chip.

Method used

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  • MCBJ (mechanically controllable break junction) device combining stepping motor and piezoelectric ceramic
  • MCBJ (mechanically controllable break junction) device combining stepping motor and piezoelectric ceramic

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Embodiment Construction

[0023] The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings.

[0024] see Figures 1 to 8 , The embodiment of the present invention includes a base 1, a shielding box, a clamp 6, a stepping motor 5, a piezoelectric ceramic 4, a chip 3, a metal wire 33, a liquid pool 2 and a sealing ring.

[0025] The base 1 is a round table base, the fixture 6 is a wedge-shaped fixture, the base 1 is set in a shielding box, the piezoelectric ceramic 4 is adhered to the top of the stepping motor 5 through AB glue and placed inside the base 1, The piezoelectric ceramic 4 protrudes from the middle hole of the base 1; the fixture 6 is fixed on the base 1 by screws, the chip 3 is fixed on the fixture 6, the metal wire 33 is connected with the external measurement circuit through the alligator clip, the liquid pool 2 Installed above the suspended metal wire 33; the target molecule solution is dropped into the liquid pool 2.

[0026] ...

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Abstract

The invention relates to an MCBJ (mechanically controllable break junction) device, in particular to an MCBJ device combining a stepping motor and piezoelectric ceramic. The device comprises a base, a shielding box, a fixture, the stepping motor, the piezoelectric ceramic, a chip, a metal wire, a liquid bath and a seal ring, wherein the base is a circular truncated cone base, the fixture is a wedge-shaped fixture, the base is arranged in the shielding box, the piezoelectric ceramic is bonded at the top of the stepping motor through an AB adhesive and placed in the base, and the piezoelectric ceramic protrudes from a middle hole of the base; the fixture is fixed on the base through screws, the chip is fixed on the fixture, the metal wire is connected with an external measuring circuit through a crocodile clip, and the liquid bath is mounted above the suspended metal wire; a target molecular solution is dropped in the liquid bath.

Description

technical field [0001] The invention relates to a mechanically controllable cracking device, in particular to a mechanically controllable cracking device combined with a stepping motor and piezoelectric ceramics. Background technique [0002] Molecular electronics is a science that studies the electrical properties of single or a few atoms, molecules, supramolecules and atomic clusters at the nanoscale. Its ultimate goal is to replace traditional silicon-based electronic components with these research objects, assemble logic circuits and even molecular computers. With the invention of scanning tunneling microscope (Scanning Tunneling Microscope, STM), atomic force microscope (Atomic Force Microscope, AFM), micro-nano processing technology and a series of experimental methods that can be manipulated at the nanoscale, as well as single-molecule spectroscopy, low-level With the development of advanced measurement technologies such as testing and ultrafast current testing, the r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/00
CPCG01N27/00
Inventor 洪文晶杨国钢胡端杨扬师佳刘俊扬
Owner XIAMEN UNIV
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