| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize a product line and improve product efficiency. SOLUTION: In a work, at least a pair of circuit patterns are formed. On a first column of the work, patterns are laminated in order of a first layer, a second layer, a third layer, etc., from the upper side. On a second column, patterns are laminated in order of a first layer, a second layer, a third layer, etc., from the lower side. In a photofilm for forming patterns, different patterns are printed side by side. |
