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Preparation, sealing, opening, assembly and design method of a pen tube type portable probe

A pen tube and tube type technology, which is applied in the field of pen tube type portable probe preparation, can solve the problems of limited testing accuracy and achieve economical and efficient portability, easy portability, and improved safety life.

Active Publication Date: 2021-08-06
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The electrochemical and physical information of the local corrosion micro-area is an important parameter to characterize the corrosion rate of metals. However, the test accuracy is limited due to the irregularity of the local corrosion area and the limitation of mesoscopic size.

Method used

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  • Preparation, sealing, opening, assembly and design method of a pen tube type portable probe
  • Preparation, sealing, opening, assembly and design method of a pen tube type portable probe
  • Preparation, sealing, opening, assembly and design method of a pen tube type portable probe

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Embodiment Construction

[0019] According to parts image 3 3D printing the front end of the pen barrel, the back end and the cap part.

[0020] The present invention aims at ultrasensitive tungsten wire electrode (0.25mm diameter), utilizes potentiostat (10-12V, current density 0.1-0.3A) to etch in potassium hydroxide solution (0.1-0.3M) for 5-20s, utilizes movable The camera observes the necking process of the tungsten wire electrode at the liquid surface, until there are no bubbles, the etching ends, and the needle tip preparation is completed. The tip diameter of the needle tip is 1-5 microns, and the necking length is 300-500 microns.

[0021] Use a movable camera to observe the needle tip, wrap insulating white tape around the end of the constriction (about 1mm away from the needle tip), then remove the tungsten wire from the clip, and pass it through the front of the pen tube until the white tape ends at the fixed point. The interior of the pen tube is filled with epoxy resin and curing agent...

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Abstract

The invention discloses a pen tube-type portable probe preparation, sealing, opening, assembly and design method thereof. A tungsten wire probe (neck length 300-500 mm) is prepared by a multi-tech coupling method such as a potentiostat and an XYZ level. Micron, the tip diameter is 1-5 microns), and use pitch sealing and opening technology to complete different functions of portable transportation and stability. Use 3D printing of the front end of the pen tube, the back end of the pen tube and the pen cap to realize the assembly and use of the pen tube to ensure the safe transportation and use of the probe.

Description

technical field [0001] The invention relates to a method for preparing, sealing, opening, assembling and designing a pen tube type portable probe. Background technique [0002] The electrochemical and physical information of the local corrosion micro-area is an important parameter to characterize the corrosion rate of metals. However, the test accuracy is limited due to the irregularity of the local corrosion area and the limitation of the mesoscopic size. The scanning electrochemical microscope and scanning vibrating electrode technology developed in recent years have become the focus of micro-area electrochemical research. However, the key to these technologies lies in the preparation and use of micro-area electrode probes. This patent proposes a pen tube-type portable probe preparation, sealing, opening, assembly and design method, which is beneficial to the protection and use of the probe, and greatly improves the safety life of the micro-area test. Contents of the inv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/30
CPCG01N27/30
Inventor 齐建涛李振轩赵晶晶王思权张智松丁一航
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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