Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4587771 | Process for the backside-gettering surface treatment of semiconductor wafers | Alfred Buchner, Walter Auer | 1986-05-13 |
| 4539050 | Process for the manufacture of semiconductor wafers with a rear side having a gettering action | Josef Kramler, Hans Gerber | 1985-09-03 |
| 4522656 | Method of making reference surface markings on semiconductor wafers by laser beam | Josef Kramler, Hans Gerber | 1985-06-11 |
| 4330361 | Process for the manufacture of high-purity monocrystals | Franz Kohl, Friedrich Nemetz, Gerhard Zechmeister | 1982-05-18 |