Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7714392 | Method for forming an improved low power SRAM contact | Chia-Der Chang, Yu-Ching Chang, Chien-Chih Chou | 2010-05-11 |
| 7232762 | Method for forming an improved low power SRAM contact | Chia-Der Chang, Yu-Ching Chang, Chien-Chih Chou | 2007-06-19 |
| 6774042 | Planarization method for deep sub micron shallow trench isolation process | Chia-Der Chang | 2004-08-10 |
| 6346366 | Method for making an advanced guard ring for stacked film using a novel mask design | Tsu-Yu Chu, Chai-Der Chang | 2002-02-12 |