Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882022 | Process and apparatus for sputter coating a gold alloy onto a substrate | Dieter Hoffman, Wolf-Dieter Munz, G. A. Horst Siewert | 1989-11-21 |
| 4808373 | Multiple-substance alloy for targets of cathode sputtering apparatus | Dieter Hoffman, Wolf-Dieter Munz, G. A. Horst Siewert | 1989-02-28 |