Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10318697 | Sub-resolution assist feature implementation for shot generation | Michael L. Rieger, Thomas Christopher Cecil | 2019-06-11 |
| 9471746 | Sub-resolution assist feature implementation with shot optimization | Michael L. Rieger, Thomas Christopher Cecil | 2016-10-18 |
| 9170481 | Sub-resolution assist feature implementation using shot optimization | Michael L. Rieger, Thomas Christopher Cecil | 2015-10-27 |
| 8826193 | Detection and removal of self-aligned double patterning artifacts | Yuelin Du, Gerard Luk-Pat, Alexander Miloslavsky, James P. Shiely, Hua Song | 2014-09-02 |
| 8296688 | Evaluating the quality of an assist feature placement based on a focus-sensitive cost-covariance field | Levi D. Barnes, Qiliang Yan, Yongfa Fan, Jianliang Li, Amyn A. Poonawala | 2012-10-23 |
| 8010913 | Model-based assist feature placement using inverse imaging approach | Amyn A. Poonawala, Levi D. Barnes | 2011-08-30 |
| 7954071 | Assist feature placement based on a focus-sensitive cost-covariance field | Levi D. Barnes, Qiliang Yan, Yongfa Fan, Jianliang Li, Amyn A. Poonawala | 2011-05-31 |
| 7475382 | Method and apparatus for determining an improved assist feature configuration in a mask layout | Lawrence S. Melvin, III | 2009-01-06 |
| 7421678 | Assist feature placement using a process-sensitivity model | Levi D. Barnes, Lawrence S. Melvin, III | 2008-09-02 |
| 7320119 | Method and apparatus for identifying a problem edge in a mask layout using an edge-detecting process-sensitivity model | Lawrence S. Melvin, III, James P. Shiely, Qiliang Yan | 2008-01-15 |
| 7315999 | Method and apparatus for identifying assist feature placement problems | Lawrence S. Melvin, III | 2008-01-01 |
| 7260812 | Method and apparatus for expediting convergence in model-based OPC | Lawrence S. Melvin, III | 2007-08-21 |