WW

William A. Wojtczak

AC Advanced Technology & Materials Co.: 4 patents #2 of 45Top 5%
🗺 Texas: #273 of 8,064 inventorsTop 4%
Overall (2005): #8,498 of 245,428Top 4%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6967169 Aqueous cleaning composition containing copper-specific corrosion inhibitor for cleaning inorganic residues on semiconductor substrate Ma. Fatima Seijo, David Bernhard, Long Nguyen 2005-11-22
6936542 Polishing slurries for copper and associated materials Thomas H. Baum, Long Nguyen, Cary Regulski 2005-08-30
6896826 Aqueous cleaning composition containing copper-specific corrosion inhibitor for cleaning inorganic residues on semiconductor substrate Ma. Fatima Seijo, David Bernhard, Long Nguyen 2005-05-24
6875733 Ammonium borate containing compositions for stripping residues from semiconductor substrates George Guan 2005-04-05