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Highly uniform micro-cone array structure preparation method

A technology with an array structure and height, applied in welding equipment, manufacturing tools, laser welding equipment, etc., can solve the problems of poor uniformity of the microcone array structure, inability to process large areas, poor material universality, etc., and achieve size and shape structure Accurate, optimal design, and the effect of improving processing efficiency

Inactive Publication Date: 2019-02-22
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention solves the problems of poor uniformity, cumbersome preparation process, incapable of large-area processing and poor material universality in the microcone array structure prepared by the existing method, and provides a method for preparing a highly uniform microcone array structure

Method used

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  • Highly uniform micro-cone array structure preparation method

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specific Embodiment approach 1

[0023] Embodiment 1: In this embodiment, a method for preparing a highly uniform microcone array structure is specifically carried out in the following steps:

[0024] 1. Adjust the height of the substrate through the three-dimensional mobile stage, position the sample, and focus the laser focus center on the upper surface of the sample;

[0025] 2. Set laser single pulse energy;

[0026] 3. Use the three-dimensional mobile stage to set the plane grid path, and then use the laser to scan the upper surface of the sample;

[0027] 4. Using deionized water to ultrasonically clean the processed sample, and completing the preparation method of the highly uniform microcone array structure.

specific Embodiment approach 2

[0028] Embodiment 2: This embodiment is different from Embodiment 1 in that: in step 1, the sample material is an aluminum plate, a single crystal silicon wafer or PDMS. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0029] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: in step 2, the laser single pulse energy is set to 40-120 μJ. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a highly uniform micro-cone array structure preparation method and relates to the field of a micro-cone array structure preparation method. The invention aims to solve the problem that the micro-cone array structure prepared by the prior method has poor uniformity, complex preparation process, unrealized large-area processing, and poor material universality. The preparationmethod has the following steps of first, focusing the center of a laser focus on the upper surface of a sample, second, setting the laser single pulse energy, third, setting the planar mesh path, andthen scanning the upper surface of the sample with a laser, fourth, cleaning the sample after treatment with deionized water in an ultrasonic way. By adjusting the laser pulse energy, the pulse rateand the galvanometer scanning parameters, the precise tuning of size, shape and structure of the micro cone can be realized. The preparation method is beneficial to the optimal design of a functionalmicrostructure. The highly uniform micro-cone array structure preparation method is used to prepare a highly uniform micro-cone array structure.

Description

technical field [0001] The invention relates to the field of preparation methods of microcone array structures. Background technique [0002] With the development of science and technology, the performance of conventional materials has reached its limit. How to further improve the performance of materials on the basis of existing materials has become a difficult problem for researchers. Some organisms in nature use the micro-nano functional structure in the epidermis as the basis for their living habits, which has attracted widespread attention. It has been found that the micro-nano structure of materials can change some properties of materials, such as spectral absorption, wettability, heat transfer efficiency, etc. For example, the upper surface of the lotus leaf itself has a waxy substance, combined with the micro-cone protrusion structure on the upper surface, it forms a contact angle characteristic of up to 155° for water, which is beneficial to the self-cleaning, anti...

Claims

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Application Information

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IPC IPC(8): B23K26/0622B23K26/082B23K26/046B23K26/70
CPCB23K26/046B23K26/0622B23K26/082B23K26/702
Inventor 李垚任飞飞豆书亮赵九蓬张伟岩李龙
Owner HARBIN INST OF TECH
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