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Charged particle beam device

  • US 8,610,060 B2
  • Filed: 10/23/2009
  • Issued: 12/17/2013
  • Est. Priority Date: 02/27/2009
  • Status: Active Grant
First Claim
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1. A charged particle beam apparatus comprising:

  • an electron beam optical system for irradiating an electron beam, an ion beam optical system for irradiating an ion beam, a rotatable sample stage, and a detector for detecting a signal from a sample, wherein;

    the sample is disposed at a cross point of the electron beam optical system and the ion beam optical system, said detector is disposed on a detector stage, which is equipped with a rotating mechanism, and by the rotating mechanism, said detector is movable to a detective position for detecting a transmission electron which has passed through the sample by irradiating the electron beam and a detective position for detecting a secondary signal which has been emitted from the sample by irradiating the ion beam.

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