Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5742395 | Method for checking semiconductor wafers and apparatuses for carrying out the method | Ernst Biedermann, Matthias Grieshop, Manfred Ben El Mekki, Kenneth Weisheit, Gerhard Ross | 1998-04-21 |
| 5644140 | Apparatus for checking semiconductor wafers with complementary light sources and two cameras | Ernst Biedermann, Manfred Ben El Mekki, Kenneth Weisheit, Gerhard Ross | 1997-07-01 |