Piezoelectric stack driven nano pliers

A piezoelectric stack and nanotechnology, applied in the direction of generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, etc., can solve the problem of difficulty in ensuring sample stretching accuracy, complex structure of nano pliers, High processing precision is required to achieve the effect of guaranteed performance, material saving and easy processing

Active Publication Date: 2018-11-13
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing nano-tweezers have various types such as micro-motor system drive and electrostatic force drive, etc., but the driving mechanism of the existing nano-tweezers is complicated, it is difficult to ensure the stretching accuracy of the sample, and the structure of the nano-tweezers is very complicated, and the size of the nano-tweezers itself is required. Very small, resulting in high processing accuracy requirements, difficult processing, high cost and other issues

Method used

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  • Piezoelectric stack driven nano pliers
  • Piezoelectric stack driven nano pliers

Examples

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] A piezoelectric stack-actuated nanotweezer, such as figure 1 As shown, it includes a base 1, a first arm 11 and a second arm 12 extend from both ends of the base 1, the first arm 11 extends from a first stretching portion 111, and the second arm 12 extends from a second stretching portion 121 , there is an opening 2 for accommodating the sample between the first stretching part 111 and the second stretching part 121, a cavity 3 is provided between the first arm 11 and the second arm 12, and the cavity 3 is provided to separate the cavity 3 A partition plate 31 is divided into two parts, a piezoelectric stack 4 providing a driving force is provided between the partition plate 31 and the first arm 11, and a piezoelectric stack 4 providing a driving force is provided between the partition plate 31 and the second arm 12. Electric stacking 4...

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Abstract

The invention discloses a pair of piezoelectric stack driven nano pliers. The pair of piezoelectric stack driven nano pliers includes a pedestal, wherein a first arm and a second arm extend from two ends of the pedestal; the first arm extend out of a first stretching portion, and the second arm extends out of a second stretching portion; an opening for accommodating a sample is formed between thefirst stretching portion and the second stretching portion; a cavity is formed between the first arm and the second arm, and the cavity is provided with a partition plate dividing the cavity into twoparts; a piezoelectric stack for providing driving force is arranged between the partition plate and the first arm; and a piezoelectric stack for providing driving force is arranged between the partition plate and the second arm. The pair of piezoelectric stack driven nano pliers realizes control of the stretching length of the sample by controlling the voltage of the piezoelectric stacks, can satisfy the different requirements for sample stretching, realizes miniaturization of the nano pliers, ensures the performance of a nano manipulation system and improves the stretching precision of the sample.

Description

technical field [0001] The invention belongs to the field of nano-manipulation systems, and in particular relates to a piezoelectric stack-driven nano-tweezers. Background technique [0002] Nano manipulator (nano tweezers) is the core component of the nano manipulator system, and its main function is to realize the stretching of tiny samples. Existing nano-tweezers have various types such as micro-motor system drive and electrostatic force drive, etc., but the driving mechanism of the existing nano-tweezers is complicated, and it is difficult to ensure the stretching accuracy of the sample, and the structure of the nano-tweezers is very complicated, and the nano-tweezers themselves require a small size. It is very small, which leads to high processing precision requirements, high processing difficulty, and high cost. Contents of the invention [0003] The purpose of the present invention is to provide a piezoelectric stack-driven nano-tweezers, which can conveniently con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/02
CPCH02N2/02
Inventor 王宏涛张奕志
Owner ZHEJIANG UNIV
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