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Micromachines, Volume 11, Issue 8

2020 August - 76 articles

Cover Story: The traditional design of an ultrasonic transducer (UT) mainly depends on the experience of the designers, as it is often a time-consuming and inefficient process. In this research, an efficient optimization design method for UT design is developed by combining an equivalent circuit model and particle swarm optimization algorithm. The developed optimization design method can effectively and promptly design a UT according to the desired performance, with a short development cycle and low cost, which will promote its applications in medical imaging and diagnosis. View this paper
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Articles (76)

  • Article
  • Open Access
1 Citations
3,059 Views
10 Pages

Low Power Consumption 3D-Inverted Ridge Thermal Optical Switch of Graphene-Coated Polymer/Silica Hybrid Waveguide

  • Yue Cao,
  • Yunji Yi,
  • Yue Yang,
  • Baizhu Lin,
  • Jiawen Lv,
  • Haowen Zhao,
  • Fei Wang and
  • Daming Zhang

18 August 2020

An inverted ridge 3D thermal optical (TO) switch of a graphene-coated polymer/silica hybrid waveguide is proposed. The side electrode structure is designed to reduce the mode loss induced by the graphene film and by heating the electrode. The graphen...

  • Feature Paper
  • Article
  • Open Access
5 Citations
4,807 Views
16 Pages

Random Access Addressing of MEMS Electrostatic Shutter Array for Multi-Object Astronomical Spectroscopy

  • Xufeng Liu,
  • Takuya Takahashi,
  • Masahiro Konishi,
  • Kentaro Motohara and
  • Hiroshi Toshiyoshi

17 August 2020

An extended version of cross-bar type addressing technique is developed for three-port electrostatic micro shutters arranged in an arrayed format. A microelectromechanical systems (MEMS) shutter blade suspended by a pair of torsion beams works as a m...

  • Article
  • Open Access
29 Citations
5,206 Views
17 Pages

Simulation and Optimization of Electromagnetic Absorption of Polycarbonate/CNT Composites Using Machine Learning

  • Lakhdar Sidi Salah,
  • Mohamed Chouai,
  • Yann Danlée,
  • Isabelle Huynen and
  • Nassira Ouslimani

15 August 2020

Electronic devices that transmit, distribute, or utilize electrical energy create electromagnetic interference (EMI) that can lead to malfunctioning and degradation of electronic devices. EMI shielding materials block the unwanted electromagnetic wav...

  • Review
  • Open Access
139 Citations
8,227 Views
28 Pages

2D Nanomaterial-Based Surface Plasmon Resonance Sensors for Biosensing Applications

  • Sachin Singh,
  • Pravin Kumar Singh,
  • Ahmad Umar,
  • Pooja Lohia,
  • Hasan Albargi,
  • L. Castañeda and
  • D. K. Dwivedi

15 August 2020

The absorption and binding energy of material plays an important role with a large surface area and conductivity for the development of any sensing device. The newly grown 2D nanomaterials like black phosphorus transition metal dichalcogenides (TMDCs...

  • Article
  • Open Access
6 Citations
4,479 Views
8 Pages

15 August 2020

The design and modeling of a highly sensitive sensor based on a slot photonic crystal waveguide (slot-PCWG) is presented. The structure consists of cylindrical air rods drilled in a dielectric slab on a triangular lattice, which are filled with SiO2....

  • Article
  • Open Access
21 Citations
4,775 Views
10 Pages

Analysis of Current Variation with Work Function Variation in L-Shaped Tunnel-Field Effect Transistor

  • Jang Hyun Kim,
  • Hyun Woo Kim,
  • Young Suh Song,
  • Sangwan Kim and
  • Garam Kim

15 August 2020

In this paper, an investigation is performed to analyze the L-shaped tunnel field-effect transistor (TFET) depending on a gate work function variation (WFV) with help of technology computer-aided design (TCAD) simulation. Depending on the gate voltag...

  • Article
  • Open Access
2 Citations
3,325 Views
14 Pages

14 August 2020

As an important actuator of the dual parallel jet, the porous nozzle has some non-structural parameters (such as inlet pressure, nozzle spacing ratio, etc.) which have a significant influence on energy transport, chemical combustion and pollutant gen...

  • Article
  • Open Access
31 Citations
4,796 Views
18 Pages

14 August 2020

Paper-based microfluidic devices are an attractive platform for developing low-cost, point-of-care diagnostic tools. As paper-based devices’ detection chemistries become more complex, more complicated devices are required, often entailing the s...

  • Review
  • Open Access
40 Citations
7,426 Views
27 Pages

Nanotechnology-Assisted Isolation and Analysis of Circulating Tumor Cells on Microfluidic Devices

  • Jie Cheng,
  • Yang Liu,
  • Yang Zhao,
  • Lina Zhang,
  • Lingqian Zhang,
  • Haiyang Mao and
  • Chengjun Huang

14 August 2020

Circulating tumor cells (CTCs), a type of cancer cell that spreads from primary tumors into human peripheral blood and are considered as a new biomarker of cancer liquid biopsy. It provides the direction for understanding the biology of cancer metast...

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Micromachines - ISSN 2072-666X