Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6189546 | Polishing process for manufacturing dopant-striation-free polished silicon wafers | David Zhang, Henry F. Erk | 2001-02-20 | $4,543,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6189546 | Polishing process for manufacturing dopant-striation-free polished silicon wafers | David Zhang, Henry F. Erk | 2001-02-20 | $4,543,000 |