Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331239 | Composition and process for selectively etching a layer comprising an aluminium compound in the presence of layers of low-k materials, copper and/or cobalt | Joannes Theodorus Valentinus Hoogboom, Che Wei Wang, Andreas Klipp, Yi-Ping Cheng | 2025-06-17 |
| 12024693 | Imidazolidinethione-containing compositions for post-ash residue removal and/or for oxidative etching of a layer or mask comprising TiN | Joannes Theodorus Valentinus Hoogboom, Andreas Klipp, Yi-Ping Cheng | 2024-07-02 |
| 11377624 | Cleaning composition for post-etch or post ash residue removal from a semiconductor substrate and corresponding manufacturing process | Andreas Klipp, Yi-Ping Cheng, Joannes Theodorus Valentinus Hoogboom | 2022-07-05 |