Further, when the second step includes {HEAD ~ a step} of forming a recess portion by etching {TAIL ~ the support board} and the electrode is formed to correspond to the recess portion, the electrode can be constituted by a structure of being projected from the first solder resist layer 
Further , when the second step includes { HEAD ~ a step } of forming a recess portion by etching { TAIL ~ the support board } and the electrode is formed to correspond to the recess portion , the electrode can be constituted by a structure of being projected from the first solder resist layer
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