To obtain such positron microbeam, it is necessary to use objective lenses, which are commonly used in the electron microscopy. We also attempted to form the positron microbeam using a positron beam for the positron diffraction experiment and a SEM optics [6]; [7] ; [8].
Publicly Traded Companies that Benefited from Forced or Slave Labor, 1929-1945 CalPERS
Like the Swiss banks, the American car companies have vigorously denied that they assisted the Nazi war machine or that they significantly profited from the use of forced labor at their German subsidiaries during World War II.