Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868492 | Method for contactless testing of conducting paths in a substrate using photo-assisted tunneling | Armin U. Blacha, Rolf Clauberg, Hugo K. Seitz | 1989-09-19 |
| 4845425 | Full chip integrated circuit tester | Russell W. Dreyfus, Jeffrey A. Kash, Gary W. Rubloff | 1989-07-04 |
| 4843329 | Method for contactless testing for electrical opens and short circuits in conducting paths in a substrate | Armin U. Blacha, Rolf Clauberg, Hugo K. Seitz | 1989-06-27 |