Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7537865 | Method of adjusting size of photomask pattern | Chia-Hsin Hou | 2009-05-26 |
| 7344963 | Method of reducing charging damage to integrated circuits during semiconductor manufacturing | Hsien-Chang Chang, Chia-Hsin Hou, Ko-Ting Chen | 2008-03-18 |
| 6396567 | Method and apparatus for controlling the dose of radiations applied to a semiconductor wafer during photolithography | I-Chung Chang, Kun-Pi Cheng | 2002-05-28 |
| 6346366 | Method for making an advanced guard ring for stacked film using a novel mask design | Yi-Tung Yen, Chai-Der Chang | 2002-02-12 |
| 5902707 | Mask containing alignment mark protection pattern | Jui-Yu Chang, Kun-Pi Cheng | 1999-05-11 |
| 5843600 | Use of sub divided pattern for alignment mark recovery after inter-level dielectric planarization | Jui-Yu Chang, Kun-Pi Cheng | 1998-12-01 |