Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889822 | Manufacturing process for a monolithic integrated semiconductor device having multiple epitaxial layers with a low concentration of impurities | Raffaele Zambrano | 1989-12-26 |
| 4805004 | Semiconductor device with a planar junction and self-passivating termination | Luciano Gandolfi | 1989-02-14 |