FIELD: electronic microscopy. SUBSTANCE: specimen holder is placed in electronic microscope in gas atmosphere of chamber at gas pressure not lower than 0.05 T. Detecting electrode is placed at distance 1 to 200 mm from specimen surface level and voltage is fed to it from regulated 50-2000 V source. EFFECT: eliminated firing of self-tearing in chamber gas. 1 dwg
Authors
Dates
1994-09-30—Published
1989-01-20—Filed