Paper
5 July 2000 Patterning 220-nm pitch DRAM patterns by using double mask exposure
Dongseok Nam, Nakgeuon Seong, Hanku Cho, Joo-Tae Moon, Sangin Lee
Author Affiliations +
Abstract
The acceleration of the design rule shrinkage and delayed ArF technology currently put pressure upon KrF technology for device development difficulties, so that the extension of KrF lithography to 220nm pitch patterning is under test carefully without using ArF technology.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dongseok Nam, Nakgeuon Seong, Hanku Cho, Joo-Tae Moon, and Sangin Lee "Patterning 220-nm pitch DRAM patterns by using double mask exposure", Proc. SPIE 4000, Optical Microlithography XIII, (5 July 2000); https://doi.org/10.1117/12.389017
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Cited by 1 scholarly publication and 1 patent.
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KEYWORDS
Photomasks

Lithography

Optical lithography

Optical alignment

Critical dimension metrology

Lithographic illumination

Double patterning technology

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