no code implementations • 8 Apr 2024 • Ying-Lin Chen, Jacob Deforce, Vic De Ridder, Bappaditya Dey, Victor Blanco, Sandip Halder, Philippe Leray
This research's goal is to propose a scale-invariant ADCD framework capable to upscale images, addressing this issue.
no code implementations • 20 Nov 2023 • Bappaditya Dey, Anh Tuan Ngo, Sara Sacchi, Victor Blanco, Philippe Leray, Sandip Halder
The goal of this work is of two-fold as, (a) to quantify the impact of overlay on capacitance and (b) to see if we can predict the final capacitance measurements with selected machine learning models at an early stage.
no code implementations • 19 Nov 2023 • Vic De Ridder, Bappaditya Dey, Victor Blanco, Sandip Halder, Bartel Van Waeyenberge
However, a significant increase in stochastic defects and the complexity of defect detection becomes more pronounced with high-NA.
no code implementations • 18 Nov 2023 • Enrique Dehaerne, Bappaditya Dey, Sandip Halder, Stefan De Gendt
We discuss the advantages and disadvantages of different feature extractors as well as the RL-based framework in general for semiconductor defect localization.
no code implementations • 23 Oct 2023 • Sara Sacchi, Bappaditya Dey, Iacopo Mochi, Sandip Halder, Philippe Leray
The technological advance of High Numerical Aperture Extreme Ultraviolet Lithography (High NA EUVL) has opened the gates to extensive researches on thinner photoresists (below 30nm), necessary for the industrial implementation of High NA EUVL.
no code implementations • 16 Aug 2023 • Thibault Lechien, Enrique Dehaerne, Bappaditya Dey, Victor Blanco, Sandip Halder, Stefan De Gendt, Wannes Meert
This inherent noise is one of the main challenges for defect inspection.
no code implementations • 14 Aug 2023 • Vic De Ridder, Bappaditya Dey, Enrique Dehaerne, Sandip Halder, Stefan De Gendt, Bartel Van Waeyenberge
We have proposed SEMI-CenterNet (SEMI-CN), a customized CN architecture trained on SEM images of semiconductor wafer defects.
no code implementations • 28 Jul 2023 • Enrique Dehaerne, Bappaditya Dey, Hossein Esfandiar, Lander Verstraete, Hyo Seon Suh, Sandip Halder, Stefan De Gendt
In this work, we propose a method for obtaining coherent and complete labels for a dataset of hexagonal contact hole DSA patterns while requiring minimal quality control effort from a DSA expert.
no code implementations • 17 Jul 2023 • Vic De Ridder, Bappaditya Dey, Sandip Halder, Bartel Van Waeyenberge
To the best of the authors' knowledge, this work is the first demonstration to accurately detect and precisely segment semiconductor defect patterns by using a diffusion model.
1 code implementation • 26 Apr 2023 • Enrique Dehaerne, Bappaditya Dey, Sandip Halder, Stefan De Gendt
This is validated by comparing different pretrained models trained on different subsets of the proposed Verilog dataset using multiple evaluation metrics.
no code implementations • 19 Feb 2023 • MinJin Hwang, Bappaditya Dey, Enrique Dehaerne, Sandip Halder, Young-han Shin
In this study, we applied the PointRend (Point-based Rendering) method to semiconductor defect segmentation.
no code implementations • 19 Feb 2023 • Enrique Dehaerne, Bappaditya Dey, Sandip Halder, Stefan De Gendt
In this research, we experiment with YOLOv7, a recently proposed, state-of-the-art object detector, by training and evaluating models with different hyperparameters to investigate which ones improve performance in terms of detection precision for semiconductor line space pattern defects.
no code implementations • 3 Nov 2022 • Bappaditya Dey, Enrique Dehaerne, Kasem Khalil, Sandip Halder, Philippe Leray, Magdy A. Bayoumi
In this work, we have revisited and extended our previous deep learning-based defect classification and detection method towards improved defect instance segmentation in SEM images with precise extent of defect as well as generating a mask for each defect category/instance.