Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10332784 | Selectively removing titanium nitride hard mask and etch residue removal | William Jack Casteel, Jr., Wen Dar Liu, Tianniu Chen | 2019-06-25 |
| 10301580 | Stripping compositions having high WN/W etching selectivity | Wen Dar Liu, Yi-Chia Lee, Tianniu Chen, William Jack Casteel, Jr., Gene Everad Parris | 2019-05-28 |
| 10233413 | Cleaning formulations | — | 2019-03-19 |