Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9719880 | Method for leak testing a housing | Willibald Konrath, Klaus Scholl, Haiko Schmelcher | 2017-08-01 |
| 6459283 | Method and system for testing an electrical component | Jürgen Frosien | 2002-10-01 |
| 6232601 | Dynamically compensated objective lens-detection device and method | Jürgen Frosien, Stefan Lanio, Gerald Schonecker | 2001-05-15 |
| 6051838 | Optical unit | Jürgen Frosien, Stefan Lanio, Gerald Schonecker | 2000-04-18 |
| 5847399 | Deflection system | Stefan Lanio, Thomas Jasinski | 1998-12-08 |
| 5414374 | Method for particle beam testing of substrates for liquid crystal displays (LCD) | Matthias Brunner | 1995-05-09 |
| 5371459 | Method for particle beam testing of substrates for liquid crystal displays using parasitic currents | Matthias Brunner | 1994-12-06 |
| 5369359 | Particle beam testing method with countervoltage or retarding voltage follow-up or feedback | — | 1994-11-29 |
| 5268638 | "Method for particle beam testing of substrates for liquid crystal displays ""LCD""" | Matthias Brunner | 1993-12-07 |
| 4985681 | Particle beam measuring method for non-contact testing of interconnect networks | Matthias Brunner, Juergen Frosien, Burkhard Lischke | 1991-01-15 |
| 4891523 | Circuit for image displacement in a particle beam apparatus independently of magnification | — | 1990-01-02 |
| 4748407 | Method and apparatus for measuring time dependent signals with a particle probe | Matthias Brunner, Dieter Winkler | 1988-05-31 |
| 4587481 | Arrangement for testing micro interconnections and a method for operating the same | Burkhard Lischke, Jürgen Frosien | 1986-05-06 |
| 4558779 | Conveyor apparatus, in particular for use in packaging plants | Manfred Herbert, Walter Baur | 1985-12-17 |
| 4539477 | Method and apparatus for suppressing disturbances in the measurement of signals with a particle probe | Hans-Peter Feuerbaum | 1985-09-03 |
| 4380703 | Method and device for the regulation of a magnetic deflection system | — | 1983-04-19 |
| 4211799 | Methods for making flocculation-resistant citrus juice | Ekkehard Grampp, Helmut Uhlig | 1980-07-08 |