Zobrazeno 1 - 10
of 15
pro vyhledávání: '"David N. Tomes"'
Autor:
Larry F. Thompson, Gary N. Taylor, Janet M. Kometani, J. E. Hanson, Elsa Reichmanis, W. W. Tai, Anthony E. Novembre, Omkaram Nalamasu, David N. Tomes
Publikováno v:
Microelectronic Engineering. 17:257-260
The x-ray (λ = 0.8,1.4nm) and deep UV (λ = 248nm) responses of copolymers of TBS and SO 2 are described. Resist sensitivity is shown to improve by addition of an arylmethyl sulfone acid generating species to the formulation, partial deprotection of
Publikováno v:
SPIE Proceedings.
A novel single-layer Rohm and Hass SPR220 lift-off processes with oxidation step in a double-cycle develop is introduced to offer promising lift-off profiles. First, the coated wafer uses a typical Pre-soak process before exposure to introduce an inh
Autor:
Pasquale R. Valerio, Jacque H. Georger, Michael F. Cronin, David N. Tomes, Joseph Lachowski, Mike Mori, Larry Bachetti, Kim Wynja, Patricia Fallon
Publikováno v:
SPIE Proceedings.
As the semiconductor industry continues to follow Moore's Law by continually shrinking linewidths, DUV lithographic capacity is increasing. This greater capacity has increased the use of 248nm DUV lithography for all levels particularly applications
Autor:
A. Kornblit, William M. Mansfield, Gee E. Rittenhouse, David N. Tomes, George K. Celler, Raymond A. Cirelli, J. Frackoviak
Publikováno v:
SPIE Proceedings.
As transistor features shrink into the deep submicron range, a corresponding reduction in the optical wavelength used to pattern such features has also continued. Currently, advanced optical steppers found in ULSI production applications operate at a
Autor:
Anthony E. Novembre, George K. Celler, David N. Tomes, Jerry Z. Y. Guo, J. Frackoviak, Joseph A. Abate, Allen G. Timko, Herschel Maclyn Marchman
Publikováno v:
SPIE Proceedings.
In this paper, the effect of resist contrast on the exposure latitude, printing bias, and dark erosion are discussed in the context of proximity x-ray lithography. Positive chemically amplified resists are studied. Both experimental and simulation re
Autor:
David N. Tomes, Anthony E. Novembre, J. Frackoviak, L. E. Trimble, George K. Celler, Charles W. Jurgensen, R. R. Kola
Publikováno v:
Electron-Beam, X-Ray, and Ion-Beam Submicrometer Lithographies for Manufacturing III.
The Hampshire Instruments Model 5000 Stepper is a commercially available laser based 1:1 proximity x-ray stepper. The source of this system is a 25 watt Nd:glass slab laser which is focused to approximately 200 micrometers diameter spot on an iron al
Autor:
R. R. Kola, Larry F. Thompson, Charles W. Jurgensen, David N. Tomes, Richard R. Freeman, J. Frackoviak, George K. Celler, L. E. Trimble, Anthony E. Novembre
Publikováno v:
Electron-Beam, X-Ray, and Ion-Beam Submicrometer Lithographies for Manufacturing II.
Preliminary evaluation of a 1:1 proximity x-ray stepper, built by Hampshire Instruments is discussed here. This stepper, model 5000P, is the first commercial system that uses a laser- generated plasma x-ray source. It was extensively tested at the su
Autor:
Elsa Reichmanis, Larry F. Thompson, J. E. Hanson, Anthony E. Novembre, W. W. Tai, Gary N. Taylor, Omkaram Nalamasu, David N. Tomes, Janet M. Kometani
Publikováno v:
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures. 9:3338
Poly(4‐tert‐butoxycarbonyloxystyrene‐co‐sulfur dioxide) PTBSS has been found to act as a sensitive x‐ray (λ=1.4 nm) and weakly sensitive deep ultraviolet (λ=248 nm) chemically amplified, aqueous base soluble positive acting resist. Improv
Autor:
W. W. Tai, Anthony E. Novembre, Larry F. Thompson, David N. Tomes, Richard R. Freeman, Charles W. Jurgensen, L. E. Trimble, R. R. Kola, J. Frackoviak, George K. Celler
Publikováno v:
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures. 9:3198
This paper reports on the initial lithographic evaluation of a commercial 1:1 proximity stepper that uses a laser‐based plasma x‐ray source. Our preliminary tests have shown that 0.4‐ and 0.5‐μm lines and spaces can be printed consistently o
Publikováno v:
SPIE Proceedings.
Preliminary testing results for a new, commercially available soft x-ray proximity stepper are presented. Total system performance (i.e., overlay preci sion, alignment precision, and critical dimension control) is under investiga tion using elect