摘要 |
In a displacement detecting method, displacement between a strip-shaped electrode (13) and the strip-shaped separator (14) is detected. The strip-shaped separator (14) is semitransparent. In the method, first, the strip-shaped electrode (13) is photographed through the strip-shaped separator (14) at a position where the strip-shaped electrode (13) and the strip-shaped separator(14) are stacked (photographing step). Based on an image photographed in the photographing step, displacement between the strip-shaped electrode (13) and the strip-shaped separator (14) is detected (displacement detecting step). In a displacement amount measuring method of measuring the displacement amount, the displacement amount between the strip-shaped electrode (13) and the strip-shaped separator (14) is calculated based on the image photographed in the photographing step.
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