Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9996651 | Mask creation with hierarchy management using cover cells | Weidong Zhang | 2018-06-12 |
| 9448481 | Generalization of shot definitions for mask and wafer writing tools | Steffen Schulze | 2016-09-20 |
| 9292643 | Mask creation with hierarchy management using cover cells | Weidong Zhang | 2016-03-22 |
| 9134616 | Generalization of shot definitions for mask and wafer writing tools | Steffen Schulze | 2015-09-15 |
| 8930856 | Mask rule checking based on curvature | — | 2015-01-06 |
| 8826196 | Integration of optical proximity correction and mask data preparation | — | 2014-09-02 |
| 8713483 | IC layout parsing for multiple masks | Alexander Tritchkov, Le Hong | 2014-04-29 |
| 8640059 | Forming separation directives using a printing feasibility analysis | Alexander Tritchkov | 2014-01-28 |
| 8635562 | Data flow branching in mask data preparation | — | 2014-01-21 |
| 8560981 | Segmenting integrated circuit layout design files using speculative parsing | — | 2013-10-15 |
| 8516401 | Mask model calibration technologies involving etch effect and exposure effect | Yuanfang Hu | 2013-08-20 |
| 8234599 | Use of graphs to decompose layout design data | Petr E. Glotov | 2012-07-31 |
| 7802226 | Data preparation for multiple mask printing | Jea-Woo Park | 2010-09-21 |
| 7716624 | Mask creation with hierarchy management using cover cells | Weidong Zhang | 2010-05-11 |
| 7367009 | Convergence technique for model-based optical and process correction | Nicolas B. Cobb | 2008-04-29 |
| 7240321 | Selective promotion for resolution enhancement techniques | Nicolas B. Cobb, Laurence W. Grodd, George P. Lippincott | 2007-07-03 |
| 7069534 | Mask creation with hierarchy management using cover cells | Weidong Zhang | 2006-06-27 |
| 7028284 | Convergence technique for model-based optical and process correction | Nicolas B. Cobb | 2006-04-11 |
| 7017141 | Integrated verification and manufacturability tool | Leigh Anderson, Nicolas B. Cobb, Laurence W. Grodd, Siqiong You | 2006-03-21 |
| 6901574 | Data management method for mask writing | Patrick J. LaCour, Siqiong You | 2005-05-31 |
| 6668367 | Selective promotion for resolution enhancement techniques | Nicolas B. Cobb, Laurence W. Grodd, George P. Lippincott | 2003-12-23 |
| 6516459 | Integrated circuit design correction using fragment correspondence | — | 2003-02-04 |
| 6430737 | Convergence technique for model-based optical and process correction | Nicolas B. Cobb | 2002-08-06 |
| 6425113 | Integrated verification and manufacturability tool | Leigh Anderson, Nicolas B. Cobb, Laurence W. Grodd | 2002-07-23 |
| 6415421 | Integrated verification and manufacturability tool | Leigh Anderson, Nicolas B. Cobb, Laurence W. Grodd, Siqiong You | 2002-07-02 |