| 摘要 |
<P>PROBLEM TO BE SOLVED: To form a hollow part for inserting a component on a substrate which does not interfere with insertion of the component having corners in a simple method. Ž<P>SOLUTION: A substrate 20 with a hollow part 22 which is a hole in which a component 10 having corners 12 is inserted includes: a circular part 24 which is a circular hole to assure a predetermined gap set in advance as an interval between the component 10 and the corner 12, and is provided to expand from the corner of the hollow part 22; and a contour part 26 which is formed by moving, while rotating, a rotary tool along a tool moving trajectory for assuring a predetermined interval by considering radius of the rotary tool, for forming a profile other than the circular part 24 at the corner. The circular part 24 is machined with a drill or end mill, and the contour part 26 is machined using a router or end mill as a rotary tool. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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