Role of design in multiple patterning: technology development, design enablement and process control

  • Authors:
  • Rani S. Ghaida;Puneet Gupta

  • Affiliations:
  • GLOBALFOUNDRIES, Inc.;Univ. of California, Los Angeles

  • Venue:
  • Proceedings of the Conference on Design, Automation and Test in Europe
  • Year:
  • 2013

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Abstract

Multiple-patterning optical lithography is inevitable for technology scaling beyond the 22nm technology node. Multiple patterning imposes several counter-intuitive restrictions on layout and carries serious challenges for design methodology. This paper examines the role of design at different stages of the development and adoption of multiple patterning: technology development, design enablement, and process control. We discuss how explicit design involvement can enable timely adoption of multi-patterning with reduced costs both in design and manufacturing.