Issued Patents All Time
Showing 26–50 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8448098 | Fracturing continuous photolithography masks | Ying Liu, David O. Melville, Kehan Tian | 2013-05-21 |
| 8372565 | Method for optimizing source and mask to control line width roughness and image log slope | Kehan Tian, David O. S. Melville, Jaione Tirapu Azpiroz, Saeed Bagheri, Kafai Lai | 2013-02-12 |
| 8351037 | Method to match exposure tools using a programmable illuminator | Jaione Tirapu Azpiroz, Saeed Bagheri, Kafai Lai, David O. S. Melville, Kehan Tian | 2013-01-08 |
| 8271910 | EMF correction model calibration using asymmetry factor data obtained from aerial images or a patterned layer | Jaione Tirapu-Azpiroz, Timothy A. Brunner, Michael S. Hibbs | 2012-09-18 |
| 8266554 | Dynamic provisional decomposition of lithographic patterns having different interaction ranges | Saeed Bagheri, Francisco Barahona, Laszlo Ladanyi, Jonathan Lee, David O. Melville +4 more | 2012-09-11 |
| 8266556 | Fracturing continuous photolithography masks | Ying Liu, David O. Melville, Kehan Tian | 2012-09-11 |
| 8238644 | Fast method to model photoresist images using focus blur and resist blur | Timothy A. Brunner, Gregg M. Gallatin, Ronald Gordon, Kafai Lai, Nakgeuon Seong | 2012-08-07 |
| 8234603 | Method for fast estimation of lithographic binding patterns in an integrated circuit layout | Saeed Bagheri, David L. DeMaris, Maria Gabrani, David O. Melville, Kehan Tian | 2012-07-31 |
| 8161422 | Fast and accurate method to simulate intermediate range flare effects | Maharaj Mukherjee, James A. Culp, Scott M. Mansfield, Kafai Lai | 2012-04-17 |
| 8125618 | Reflective film interface to restore transverse magnetic wave contrast in lithographic processing | Kafai Lai, Dirk Pfeiffer | 2012-02-28 |
| 8108802 | Method for forming arbitrary lithographic wavefronts using standard mask technology | Jaione Tirapu-Azpiroz | 2012-01-31 |
| 8078995 | Efficient isotropic modeling approach to incorporate electromagnetic effects into lithographic process simulations | Jaione Tirapu Azpiroz, Ioana Graur | 2011-12-13 |
| 8073288 | Rendering a mask using coarse mask representation | Mark A. Lavin, Maharaj Mukherjee | 2011-12-06 |
| 8059885 | Calculating image intensity of mask by decomposing Manhattan polygon based on parallel edge | Jaione Tirapu-Azpiroz, Kafai Lai, David O. S. Melville, Kehan Tian | 2011-11-15 |
| 8059884 | Method and system for obtaining bounds on process parameters for OPC-verification | Maharaj Mukherjee, Ioana Graur | 2011-11-15 |
| 8056026 | Determining manufacturability of lithographic mask by selecting target edge pairs used in determining a manufacturing penalty of the lithographic mask | Tadanobu Inoue, David O. Melville, Hidemasa Muta, Kehan Tian, Masahura Sakamoto | 2011-11-08 |
| 8056023 | Determining manufacturability of lithographic mask by reducing target edge pairs used in determining a manufacturing penalty of the lithographic mask | Tadanobu Inoue, David O. Melville, Hidemasa Muta, Kehan Tian, Masahura Sakamoto | 2011-11-08 |
| 8028254 | Determining manufacturability of lithographic mask using continuous derivatives characterizing the manufacturability on a continuous scale | Tadanobu Inoue, David O. Melville, Hidemasa Muta, Kehan Tian, Masaharu Sakamoto | 2011-09-27 |
| 7975244 | Methodology and system for determining numerical errors in pixel-based imaging simulation in designing lithographic masks | Maharaj Mukherjee, James A. Culp | 2011-07-05 |
| 7969554 | Method, computer program, apparatus and system providing printing for an illumination mask for three-dimensional images | David O. Melville, Kehan Tian | 2011-06-28 |
| 7944545 | High contrast lithographic masks | Saeed Bagheri, David O. S. Melville, Kehan Tian | 2011-05-17 |
| 7844938 | Data correcting hierarchical integrated circuit layout accommodating compensate for long range critical dimension variation | Ian P. Stobert | 2010-11-30 |
| 7840057 | Simultaneous computation of multiple points on one or multiple cut lines | Gregg M. Gallatin, Emanuel Gofman, Kafai Lai, Mark A. Lavin, Maharaj Mukherjee +2 more | 2010-11-23 |
| 7774737 | Performance in model-based OPC engine utilizing efficient polygon pinning method | Gregg M. Gallatin, Emanuel Gofman, Kafai Lai, Mark A. Lavin, Maharaj Mukherjee +2 more | 2010-08-10 |
| 7761839 | Performance in model-based OPC engine utilizing efficient polygon pinning method | Gregg M. Gallatin, Emanuel Gofman, Kafai Lai, Mark A. Lavin, Maharaj Mukherjee +2 more | 2010-07-20 |