Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400167 | Etching compositions and methods for using same | Wen Dar Liu, Yi-Chia Lee, Tianniu Chen, Thomas Mebrahtu, Aiping Wu +1 more | 2019-09-03 |
| 10301580 | Stripping compositions having high WN/W etching selectivity | Wen Dar Liu, Yi-Chia Lee, Tianniu Chen, William Jack Casteel, Jr., Seiji Inaoka | 2019-05-28 |