| 摘要 |
A stator disc for a turbomolecular pump has an inner ring ( 3 ), an outer ring ( 4 ), and a plurality of vanes ( 2 ) formed of a stator disc plane, extending between the inner and outer rings ( 3, 4 ), and having, in connection regions of the vanes with the inner and outer rings, respective radial webs ( 5 ) a circumferential width (S) of which is smaller than a vane width (T).
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