Printability of native blank defects and programmed defects and their stack structures

HJ Kwon, J Harris-Jones, R Teki… - Photomask …, 2011 - spiedigitallibrary.org
We describe the characterization of native phase defects in the manufacturing of extreme
ultraviolet (EUV) mask blanks using the state-of-the-art mask metrology equipment in …

Wavelength-specific reflections: A decade of extreme ultraviolet actinic mask inspection research

KA Goldberg, I Mochi - Journal of Vacuum Science & Technology B, 2010 - pubs.aip.org
Mask inspection is essential for the success of any pattern transfer lithography technology,
and extreme ultraviolet lithography (EUVL), in particular, faces unique challenges. EUV …

Layout small-angle rotation and shift for EUV defect mitigation

H Zhang, Y Du, MDF Wong, Y Deng… - Proceedings of the …, 2012 - dl.acm.org
Blank defect mitigation is crucial for extreme ultraviolet (EUV) lithography. One of the
existing options is to relocate patterns to avoid defect impact. However, when the defect …

An EUV Fresnel zoneplate mask-imaging microscope for lithography generations reaching 8 nm

KA Goldberg, I Mochi, SB Rekawa… - … (EUV) Lithography II, 2011 - spiedigitallibrary.org
We present the potential optical performance capabilities of a next-generation extreme
ultraviolet (EUV) mask-imaging microscope, based on the proven optical principle of the …

[PDF][PDF] Artificial evolution for the optimization of lithographic process conditions

T Fühner - 2014 - publica-rest.fraunhofer.de
Miniaturization is a driving force both for the performance and for cost reductions of
semiconductor devices. It is therefore carried on at an enormous pace. Gordon Moore …

Efficient pattern relocation for EUV blank defect mitigation

H Zhang, Y Du, MDF Wong… - 17th Asia and South …, 2012 - ieeexplore.ieee.org
Blank defect mitigation is a critical step for extreme ultraviolet (EUV) lithography. Targeting
the defective blank, a layout relocation method, to shift and rotate the whole layout pattern to …

EUV multilayer defect characterization via cycle-consistent learning

Y Chen, Y Lin, R Chen, L Dong, R Wu, T Gai, L Ma… - Optics …, 2020 - opg.optica.org
Extreme ultraviolet (EUV) lithography mask defects may cause severe reflectivity
deformation and phase shift in advanced nodes, especially like multilayer defects …

EUV mask preparation considering blank defects mitigation

Y Du, H Zhang, MDF Wong… - Photomask Technology …, 2011 - spiedigitallibrary.org
Due to the absence of defect-free blanks in extreme ultraviolet (EUV) lithography, defect
mitigation is necessary before mass production. Currently almost all the defect mitigation …

Simulation analysis of the characteristics of a high magnification imaging optics for the observation of extreme ultraviolet lithography mask to predict phase defect …

T Terasawa, Y Arisawa, T Amano… - Japanese Journal of …, 2013 - iopscience.iop.org
By employing simulation, we analyzed the characteristic of the optics of high-magnification
multilayer-coated mirror employed for the examination of extreme ultraviolet lithography …

Evaluation of extreme ultraviolet mask defect using blank inspection, patterned mask inspection, and wafer inspection

T Kamo, T Terasawa, T Yamane… - Journal of Micro …, 2011 - spiedigitallibrary.org
The key challenge before extreme ultraviolet lithography is to make defect-free masks, for
which it is important to identify the root cause of defects, and it is also necessary to establish …