Paper
30 January 1989 Reducing The Process "k" Factor With Surface Imaging Techniques
Mike Tipton, Cesar Garza, Tom Seha
Author Affiliations +
Abstract
The standard Rayleigh relation for the resolution of an optical system states that the resolution is proportional to the exposure wavelength divided by the numerical aperture of the system. The constant of proportionality "k" is directly effected by processing techniques and may be reduced depending on the chosen photoitsist process. Reducing the "k" factor directly impacts the manufacturing of advanced integrated circuits since it implies the ability to resolve finer features without the ever larger capital expenditures required for new exposure tools. It also allows the execution of current processes with increased processing latitude. This paper reports on the results obtained using a surface imaging technique to reduce the "k" factor for standard and advanced processing applications.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mike Tipton, Cesar Garza, and Tom Seha "Reducing The Process "k" Factor With Surface Imaging Techniques", Proc. SPIE 1086, Advances in Resist Technology and Processing VI, (30 January 1989); https://doi.org/10.1117/12.953054
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KEYWORDS
Photoresist processing

Photoresist materials

Image processing

Reflectivity

Scanning electron microscopy

Silicon

Metals

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