Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10072237 | Photoresist cleaning composition used in photolithography and a method for treating substrate therewith | Randy Li-Kai Chang, Hsiu-Mei Chen, Yi-Chia Lee, Wen Dar Liu, Tianniu Chen +3 more | 2018-09-11 |
| 10073351 | Semi-aqueous photoresist or semiconductor manufacturing residue stripping and cleaning composition with improved silicon passivation | Rajiv Krishan Agarwal, Mark Richard Brown, Aiping Wu, David Barry Rennie, Yi-Chia Lee | 2018-09-11 |
| 9873833 | Etchant solutions and method of use thereof | William Jack Casteel, Jr., Tianniu Chen | 2018-01-23 |