The present invention relates to a membrane cutting device and provides a membrane cutting device which quickly performs membrane cutting for the cross-sectional analysis of a membrane and minimizes damage to a cross-section caused by cutting. The membrane...

[Problem] To provide a cutting apparatus (700) for a separator of an electrical device (1) and a cutting method whereby it is possible to effectively remove severing or cutting dust (30c) in addition to a cut piece (30b) of a cut out separator (30). [Solut...