Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281251 | Etching composition and method for selectively removing silicon nitride during manufacture of a semiconductor device | Yi-Chia Lee, Wen Dar Liu, Aiping Wu, Laisheng Sun | 2025-04-22 |
| 12110435 | Etching composition and method for selectively removing silicon nitride during manufacture of a semiconductor device | Yi-Chia Lee, Wen Dar Liu, Aiping Wu, Laisheng Sun | 2024-10-08 |
| 11955341 | Etching solution and method for selectively removing silicon nitride during manufacture of a semiconductor device | Yi-Chia Lee, Wen Dar Liu | 2024-04-09 |
| 11499236 | Etching solution for tungsten word line recess | Yi-Chia Lee, Wen Dar Liu | 2022-11-15 |
| 11175587 | Stripper solutions and methods of using stripper solutions | Yi-Chia Lee, Wen Dar Liu, Chi-Hsien Kuo | 2021-11-16 |
| 10954480 | Compositions and methods for preventing collapse of high aspect ratio structures during drying | Yi-Chia Lee, Wen Dar Liu, Tianniu Chen | 2021-03-23 |