Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648936 | Dopant type and/or concentration selective dry photochemical etching of semiconductor materials | Carol I. H. Ashby | 1987-03-10 |
| 4648938 | Composition/bandgap selective dry photochemical etching of semiconductor materials | Carol I. H. Ashby | 1987-03-10 |