{HEAD ~ The connection} comprising spindle/transmission and stepping motor currently in principle has a relatively high positioning accuracy, although this is less accurate than the positioning accuracy which can be achieved by a piezoceramic and is in the order of {TAIL ~ magnitude} from about 0.06 μm to 0.1 μm 
{ HEAD ~ The connection } comprising spindle / transmission and stepping motor currently in principle has a relatively high positioning accuracy , although this is less accurate than the positioning accuracy which can be achieved by a piezoceramic and is in the order of { TAIL ~ magnitude } from about 0.06 μm to 0.1 μm
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