Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645970 | Weak base developable positive photoresist composition containing quinonediazide compound | Hua-Chi Cheng, Pao-Ju Hsieh | 1997-07-08 |
| 5641595 | Manufacture of color filters by incremental exposure method | Pao-Ju Hsieh, Hsien-Kuang Lin, Jim-Chyuan Shieh, Chao Niu, Hwa Cheng | 1997-06-24 |