Further, when the second step includes a step of forming a recess portion by etching 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 {HEAD ~ the first solder} resist {TAIL ~ layer} 
resist
Further , when the second step includes a step of forming a recess portion by etching 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 { HEAD ~ the first solder } resist { TAIL ~ layer }
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