| http://www.w3.org/ns/prov#value | - Further, as shown in FIG. 6, the annular groove 6 of the width W is formed in the circuit board substrate 2 at a location around each bump 3, so the silhouette region is represented by such a shape as reflecting the groove as shown in FIG. 35B. Thus, in steps S4503 in FIG. 32, a value resulting from subtraction of the, groove width W from the above described maximum diameter Dkmax, i.e., Dkmax -W
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