Additive 3D photonic integration that is CMOS compatible

A Grabulosa, J Moughames, X Porte, M Kadic… - …, 2023 - iopscience.iop.org
Today, continued miniaturization in electronic integrated circuits (ICs) appears to have
reached its fundamental limit at∼ 2 nm feature-sizes, from originally∼ 1 cm. At the same …

[HTML][HTML] Process variation in laser powder bed fusion of Ti-6Al-4V

Z Chen, X Wu, CHJ Davies - Additive Manufacturing, 2021 - Elsevier
In this work, a concept of using surface roughness data as an evaluation tool of the process
variation in a commercial Laser Powder Bed Fusion (L-PBF) machine is demonstrated. The …

Field distortion correction in galvanometric scanning system by interpolation with symmetric polynomials

T Zhang, Y Liang, H Wang, C Wu, G Zhang… - Precision …, 2023 - Elsevier
Due to its high precision and flexibility, laser process system is widely used in laser marking,
drilling, cutting and projection. Laser scanning machines are usually equipped with high …

Time dependent scanning path optimization for the powder bed fusion additive manufacturing process

M Boissier, G Allaire, C Tournier - Computer-Aided Design, 2022 - Elsevier
In this paper, scanning paths optimization for the powder bed fusion additive manufacturing
process is investigated. The path design is a key factor of the manufacturing time and for the …

Offline laser power modulation in LPBF additive manufacturing including kinematic and technological constraints

K Ettaieb, K Godineau, S Lavernhe… - Rapid Prototyping …, 2023 - emerald.com
Purpose In Laser Power Bed Fusion (LPBF), the process and operating parameters
influence the mechanical and geometrical characteristics of the manufactured parts …

A novel path planning approach to minimize machining time in laser machining of irregular micro-holes using adaptive discrete grey wolf optimization

T Zhang, H Hu, Y Liang, X Liu, Y Rong, C Wu… - Computers & Industrial …, 2024 - Elsevier
As an essential technique in fabricating substrates for flexible printed circuit boards, laser
drilling of polyimide films facilitates the production of smaller holes of superior quality, which …

Issues in resolution and build size scaling of additive manufacturing technologies

N Weerasekera, S Cao, A Biswas - Open Science Journal, 2022 - hal.science
In this review, scaling issues in additive manufacturing (AM) processes are discussed based
on multiple factors. Scaling issues arise mainly due to design and control of the AM system …

Machine learning to optimize additive manufacturing for visible photonics

A Lininger, A Aththanayake, J Boyd, O Ali, M Goel… - …, 2023 - degruyter.com
Additive manufacturing has become an important tool for fabricating advanced systems and
devices for visible nanophotonics. However, the lack of simulation and optimization methods …

Opto-mechanical error analysis and compensation method for multi-axis laser galvanometer scanning systems

T Zhang, P Lei, Y Huang, Y Rong - Measurement, 2025 - Elsevier
Multi-axis galvanometer machining enables large-area high-precision processing. However,
optical field distortions in post-focusing systems and mechanical errors from multi-axis …

Plane-based self-calibration and improvement of three-dimensional multi-beam laser scanning with two-axis-mirror

X Liu, X Tong, K Luan, W Xu… - Measurement Science and …, 2022 - iopscience.iop.org
The geometry and calibration of three-dimensional multi-beam laser scanning (MBLS) is
more difficult than single-beam laser scanning, especially for a one laser emitter and …