| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of calculating a retention time which prevents the occurrence of a ripple-like residue in order to realize a more precise free curved surface polishing. SOLUTION: An object working shape is divided into layers at a predetermined thickness, operation is sequentially performed on each hierarchy, and operation is performed on the residual shape in the hierarchy on which operation has been previously performed with a value added to the object working shape in the hierarchy as a new object working shape in the hierarchy. COPYRIGHT: (C)2004,JPO
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