Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660700 | Formulations including a 1,3-dicarbonyl compound chelating agent and copper corrosion inhibiting agents for stripping residues from semiconductor substrates containing copper structures | William A. Wojtczak, David Bernhard, Long Nguyen | 2003-12-09 |
| 6566315 | Formulations including a 1,3-dicarbonyl compound chelating agent and copper corrosion inhibiting agents for stripping residues from semiconductor substrates containing copper structures | William A. Wojtczak, Dave Bernhard, Long Nguyen | 2003-05-20 |