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Title: Specimen-exchange device for an ultra-high vacuum atom-probe field-ion microscope

Conference ·
OSTI ID:6291417

A specimen-exchange device is described for an ultra-high vacuum field-ion microscope (FIM). This device completely eliminates the long pump-down period that is required if the FIM chamber is brought back to atmospheric pressure. The pressure in an air-lock is reduced to 10/sup -6/ Torr before the exchange takes place and the pressure in the FIM chamber remains below 10/sup -7/ Torr during the exchange and it drops to less than 3 x 10/sup -9/ Torr within 15 minutes after the exchange.

Research Organization:
Cornell Univ., Ithaca, NY (USA). Dept. of Materials Science and Engineering; Cornell Univ., Ithaca, NY (USA). Materials Science Center
DOE Contract Number:
EY-76-S-02-3158
OSTI ID:
6291417
Report Number(s):
COO-3158-64; TRN: 79-014006
Country of Publication:
United States
Language:
English