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
Â© 2011 Yad Vashem The Holocaust Martyrs' and Heroes' Remembrance Authority. 3 0. It was not only concentration camp prisoners who were used for forced labour. By 1945 more than 14 million people were exploited in the network of hundreds of forced labour camps that stretched across the whole of Nazi-occupied Europe. Many of the forced labour camps were satellite camps or sections of concentration camps. Auschwitz, in Poland, had over 40 such satellite camps. Inmates of the labour camps were kept in terrible conditions, with the intention by the Nazis that death would be the result.