Advances in laser drilling of structural ceramics

X Jia, Y Chen, L Liu, C Wang, J Duan - Nanomaterials, 2022 - mdpi.com
The high-quality, high-efficiency micro-hole drilling of structural ceramics to improve the
thermal conductivity of hot-end parts or achieve high-density electronic packaging is still a …

Laser drilling of structural ceramics—A review

H Wang, H Lin, C Wang, L Zheng, X Hu - Journal of the European Ceramic …, 2017 - Elsevier
Structural ceramics are becoming widely popular in numerous fields because of high
mechanical and physical properties. It is of great difficulty for conventional techniques to …

Water-assisted femtosecond laser drilling of 4H-SiC to eliminate cracks and surface material shedding

W Wang, H Song, K Liao, X Mei - The International Journal of Advanced …, 2021 - Springer
This study adopted femtosecond laser with a wavelength of 515 nm to drill high-aspect-ratio
micro through holes on a 500-μm thickness single-crystal SI-type 4H-SiC wafer. Firstly …

[HTML][HTML] Application of femtosecond laser micromachining in silicon carbide deep etching for fabricating sensitive diaphragm of high temperature pressure sensor

Y Zhao, YL Zhao, LK Wang - Sensors and Actuators A: Physical, 2020 - Elsevier
Pressure sensors that can work over 500℃ are widely needed in aerospace and
petrochemical fields, while silicon based high temperature pressure sensors are difficult to …

Removal of SiC at atomic and close-to-atomic scale by nanosecond ultraviolet laser

H An, J Wang, F Fang - Optics & Laser Technology, 2023 - Elsevier
This paper presents an exploration on the material removal of SiC at atomic and close-to-
atomic scale under ambient condition by nanosecond ultraviolet laser. The corresponding …

Femtosecond laser fabrication of microchannels in transparent hard materials

Y Lu, YF Li, G Wang, Y Yu, Z Bai… - Advanced Materials …, 2023 - Wiley Online Library
The excellent characteristics of transparent hard materials such as high hardness, high
transparency, corrosion resistance, and high temperature resistance enable their …

Accelerated ICP etching of 6H-SiC by femtosecond laser modification

Y Huang, F Tang, Z Guo, X Wang - Applied Surface Science, 2019 - Elsevier
A method for ultrafast etching of single crystal 6H-SiC by integrating a femtosecond laser
modification and inductively coupled plasma (ICP) etching is proposed in this paper. The …

Profile evolution of high aspect ratio silicon carbide trenches by inductive coupled plasma etching

KM Dowling, EH Ransom… - Journal of …, 2016 - ieeexplore.ieee.org
Micromachining silicon carbide (SiC) is challenging due to its durable nature. However,
plasma and laser etch processes have been utilized to realize deep and high aspect ratio …

Experimental study on nanosecond-millisecond combined pulse laser drilling of alumina ceramic with different spot sizes

X Jia, Y Chen, H Wang, G Zhu, X Zhu - Optics & Laser Technology, 2020 - Elsevier
Ceramic with outstanding mechanical and physical properties has been widely used in
various engineering applications. The low processing efficiency and quality of the …

Investigation of mechanism and surface morphology on the femtosecond laser ablation of silicon nitride under different auxiliary processing environments

X Yu, L Jiang, Q Luan, Y Cai, Q Song, B Wang… - Ceramics International, 2023 - Elsevier
Abstract Silicon nitride (Si 3 N 4) has excellent thermostability, low density, corrosion
resistance, high mechanical strength. Therefore, it is widely used in the aerospace and …