Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9017926 | Overlay mark and method of forming the same | — | 2015-04-28 |
| 8745546 | Mask overlay method, mask, and semiconductor device using the same | — | 2014-06-03 |
| 8535858 | Photomask and method for forming overlay mark using the same | — | 2013-09-17 |
| 8143731 | Integrated alignment and overlay mark | — | 2012-03-27 |
| 7933015 | Mark for alignment and overlay, mask having the same, and method of using the same | Jung-Chih Kuo | 2011-04-26 |
| 7582395 | Overlay mark | Wen-Bin Wu | 2009-09-01 |
| 7480892 | Overlay mark | Wen-Bin Wu | 2009-01-20 |