MEMS Nano/Micro Fabrication, 2nd Edition

A special issue of Micromachines (ISSN 2072-666X).

Deadline for manuscript submissions: 31 March 2025 | Viewed by 686

Special Issue Editor


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Guest Editor
Department of Mechanical System Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
Interests: nano/microfabrication; two-phase heat transfer; bubble visualization; nuclear engineering; thermal hydraulics
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Special Issue Information

Dear Colleagues,

In order to use nano/microstructures in industrial applications, nano/microfabrication has been extensively studied over the past decade. Microscale structures are mainly manufactured using photolithography-based microelectromechanical systems (MEMSs). In contrast, nanoscale structures are fabricated using two different approaches: top-down methods (wet/dry etching, etc.) and bottom-up methods (vapor–liquid–solid (VLS), template-assisted electrodeposition, etc.). Nano/microstructures are produced using these methods for various engineering applications. For example, they can be used for drag reduction, anti-biofouling, anti-corrosion, anti-fogging, anti-frosting, and anti-icing through the control of the hydrophilicity of the surface in material engineering. Some of their other applications include high-performance sensors in electronic engineering (e.g., gas sensors and biosensors), owing to their large surface area and high sensitivity. Similarly, in mechanical engineering, they can be adopted for device cooling applications (e.g., for enhanced cooling surfaces in computer chips, data centers, and nuclear fuel core cooling) due to their large surface area. This Special Issue will cover topics ranging from nano/microfabrication methods to their engineering applications and seeks to showcase research papers, communications, and review articles that focus on (1) novel nano/microfabrication methods and (2) new developments applying nano/microstructures in various engineering fields (e.g., mechanics, materials, and electronics).

We look forward to receiving your submissions.

Dr. Donghwi Lee
Guest Editor

Manuscript Submission Information

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Keywords

  • nano/microfabrication
  • microelectromechanical systems (MEMS)
  • sensor and actuator
  • surface wettability
  • single-phase heat transfer
  • two-phase heat transfer
  • device cooling

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Published Papers (1 paper)

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Research

17 pages, 10664 KiB  
Article
Multi-Position Inertial Alignment Method for Underground Pipelines Using Data Backtracking Based on Single-Axis FOG/MIMU
by Jiachen Liu, Lu Wang, Yutong Zu and Yuanbiao Hu
Micromachines 2024, 15(9), 1168; https://doi.org/10.3390/mi15091168 - 21 Sep 2024
Viewed by 491
Abstract
The inertial measurement method of pipelines utilizes a Micro-Electro-Mechanical Systems Inertial Measurement Unit (MIMU) to get the three-dimensional trajectory of underground pipelines. The initial attitude is significant for the inertial measurement method of pipelines. The traditional method to obtain the initial attitude uses [...] Read more.
The inertial measurement method of pipelines utilizes a Micro-Electro-Mechanical Systems Inertial Measurement Unit (MIMU) to get the three-dimensional trajectory of underground pipelines. The initial attitude is significant for the inertial measurement method of pipelines. The traditional method to obtain the initial attitude uses three-axis magnetometers to measure the Earth’s magnetic field. However, the magnetic field in urban underground pipelines is intricate, which leads to the initial attitude being inaccurate. To overcome this challenge, a novel multi-position initial alignment method based on data backtracking for a single-axis FOG and a three-axis Micro-Electro-Mechanical Inertial Measurement Unit (MIMU) is proposed. Firstly, the configuration of the sensors is determined. Secondly, according to the three-point support structure of the pipeline measuring instrument, a three-position alignment scheme is designed. Additionally, an initial alignment algorithm using the data backtracking method is developed. In this algorithm, a rough initial alignment is conducted by the data from single-axis FOG, and a fine initial alignment is conducted by the data from FOG/MIMU. Finally, an experiment was conducted to validate this method. The experiment results indicate that the pitch and roll angle errors are less than 0.05°, and the azimuth angle errors are less than 0.2°. This improved the precision of the 3-D trajectory of underground pipelines. Full article
(This article belongs to the Special Issue MEMS Nano/Micro Fabrication, 2nd Edition)
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