Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773333 | Method for cutting slices from a workpiece | Lothar Huber, Peter Wiesner | 2004-08-10 |
| 6362487 | Method and device for nondestructive detection of crystal defects | Andreas Ehlert, Michael Kerstan, Dieter Helmreich | 2002-03-26 |
| 6295977 | Method and device for simultaneously cutting off a multiplicity of wafers from a workpiece | Bert Ripper, Christian Andrae, Karl Egglhuber, Helmut Kolker, Jochen Greim | 2001-10-02 |
| 6159284 | Process and device for producing a cylindrical single crystal and process for cutting semiconductor wafers | Hans Olkrug, Christian Andrae, Josef Frumm | 2000-12-12 |
| 6129609 | Method for achieving a wear performance which is as linear as possible and tool having a wear performance which is as linear as possible | Bert Ripper, Robert Hofmann, Peter Lehfeld | 2000-10-10 |
| 5741173 | Method and apparatus for machining semiconductor material | Karl Kobler, Hanifi Malcok | 1998-04-21 |