Integrated phase-shifting software solution for IC design to manufacturing

Hua-Yu Liu; Clive Wu; Xiaoyang Li

doi:10.1117/12.389001

5 July 2000 Integrated phase-shifting software solution for IC design to manufacturing

Hua-Yu Liu, Clive Wu, Xiaoyang Li

Proceedings Volume 4000, Optical Microlithography XIII; (2000) https://doi.org/10.1117/12.389001
Event: Microlithography 2000, 2000, Santa Clara, CA, United States

Abstract

Lithography has been the technological driver for shrinking circuits and creating finer and finer transistor gates. As silicon feature sizes continue to decrease below the wavelength of available exposure tools, reticle-based resolution enhancement techniques including optical proximity correction (OPC) and phase-shifting mask (PSM) are required for patterning features that are significantly smaller than wavelength. Infrastructure, such as software tools and mask making capability, has to be developed in order to use such technologies in production. The double- exposure dark-field alternating PSM technique has been approved as the first production worthy strong phase shifting technology that addresses the important issues related to design, mask manufacturing and wafer production. We will first discuss the concept and the significance of DDAP, then introduce iN-Phase, the first commercial electronic design automation tool that has integrated phase shifter placement with OPC and verification to provide a compete solution for PSM design. The software architecture, performance and application will also be discussed.

Citation Download Citation

Hua-Yu Liu, Clive Wu, and Xiaoyang Li "Integrated phase-shifting software solution for IC design to manufacturing", Proc. SPIE 4000, Optical Microlithography XIII, (5 July 2000); https://doi.org/10.1117/12.389001

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