Patent ID: 8328526
Filing Date: 2012-12-11
Classification: H01J

Abstract:
1. A vacuum carrying system ( 22 ) comprising a sample room ( 11 ) for storing samples and an ion pump ( 6 ) for vacuumizing the inside of the sample room, which can be carried while the ion pump ( 6 ) is in operation, wherein the sample room ( 11 ) is connected with the ion pump ( 6 ), wherein the ion pump ( 6 ) comprises: a casing ( 1 ); a first electrode ( 2 ) provided inside the casing ( 1 ); a plurality of cylindrical magnets ( 4 ) fixed to the casing ( 1 ), a second electrode ( 3 ) arranged between the first electrode ( 2 ) and the plurality of cylindrical magnets, which has a different polarity from that of the first electrode ( 2 ); and a connection part ( 5 ) for connecting the casing ( 1 ) with other devices, wherein the plurality of cylindrical magnets are configured so that surfaces of adjacent magnets of the plurality of cylindrical magnets have the same polarities, wherein each of the surfaces of the adjacent magnets are North pole or South pole.