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                  service  and consulting computer  simulations feasibility  studies programming  and software development including graphical user interfaces expertises preliminary  work with regard to patent applications  within the fields 
                    aberration  correction within electron optical applications optimization  and development of electron optical devices optimization  of electron guns for high current applications optimization  of X-ray tubes own contributions to research in the above  topics and aditionally in the following fields  
                    microwave driven processes  with medium power of about 1 kWmonochromatization  of electron beams    | 
                  
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                    | coma aberration disk |  
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                    | demonstration of spherical aberration |  |