Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Nakgeuon Seong"'
Publikováno v:
Photomask Japan 2022: XXVIII Symposium on Photomask and Next-Generation Lithography Mask Technology.
Autor:
Weimin Gao, Nakgeuon Seong, Moyra K. McManus, Shih En Tseng, Anthony Yen, Tsann-Bim Chiou, Pieter Woltgens
Publikováno v:
Extreme Ultraviolet (EUV) Lithography XI.
We explore various resolution enhancement techniques and investigate their patterning benefits for via patterns of the 3-nm logic node using computational lithography. Simulations are performed by the method of source mask optimization (SMO) using th
Autor:
Nakgeuon Seong, Joshua Thornes, Paolo Alagna, Gregory Rechsteiner, Koen D'havé, Ivan Lalovic, Lieve Van Look, Joost Bekaert, Omar Zurita
Publikováno v:
SPIE Proceedings.
Reducing lithography pattern variability has become a critical en abler of ArF immersion scali ng and is required to ensure consistent lithography process yield for sub-30nm device tech nologies. As DUV multi-patterning requirements continue to shrin
Autor:
Omar Zurita, Yookeun Won, Joshua Thornes, Jinphil Choi, Bernd Burfeindt, Nakgeuon Seong, Young-Seog Kang, Slava Rokitski, Chan-Hoon Park
Publikováno v:
SPIE Proceedings.
In order to improve process control of the lithography process, enhanced On-board metrology, measuring of the light source beam parameters with software solutions for monitoring, reporting and analyzing the light source's performance has been introdu
Autor:
Jason J. Lee, Ivan Lalovic, Nigel R. Farrar, Nakgeuon Seong, Hans Van Der Laan, Tom van der Hoeff, Michiel Kupers, Carsten Kohler
Publikováno v:
SPIE Proceedings.
In this paper we discuss a laser focus drilling technique which has recently been developed for advanced immersion lithography scanners to increase the depth of focus and therefore reduce process variability of contact-hole patterns. Focus drilling i
Publikováno v:
Metrology, Inspection, and Process Control for Microlithography XXIII.
Maintaining the stability of all litho process parameters over time is crucial to ensuring consistent litho process yield throughout the product lifetime. The sensitivity of litho process performance to variations in litho process parameters is getti
Publikováno v:
SPIE Proceedings.
Tighter CD control requirements of the smaller devices in modern semiconductor products demand control of all potential sources of change in imaging characteristics. Bandwidth of ArF lasers is known to be one of the important parameters to be control
Autor:
David O. S. Melville, Kafai Lai, Kehan Tian, Nakgeuon Seong, Matthew E. Colburn, Alan E. Rosenbluth, Dirk Pfeiffer
Publikováno v:
SPIE Proceedings.
We provide an expanded description of the global algorithm for mask optimization introduced in our earlier papers, and discuss auxiliary optimizations that can be carried out in the problem constraints and film stack. Mask optimization tends inherent
Autor:
Nakgeuon Seong, Alan E. Rosenbluth
Publikováno v:
SPIE Proceedings.
This paper extends our previous work on globally optimizing source shapes for lithography. A key extension is our global optimization against metrics that involve process window through focus. For example, the user can determine the particular source
Publikováno v:
SPIE Proceedings.
Many subtle effects arise when tracing polarization along rays that converge or diverge to form an image. This paper concentrates on a few examples that are notable for the challenges they pose in properly analyzing vector imaging problems. A strikin