Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539050 | Process for the manufacture of semiconductor wafers with a rear side having a gettering action | Franz Kuhn-Kuhnenfeld, Hans Gerber | 1985-09-03 |
| 4522656 | Method of making reference surface markings on semiconductor wafers by laser beam | Franz Kuhn-Kuhnenfeld, Hans Gerber | 1985-06-11 |