はんだ自動外観検査へのマハラノビスの距離の適用

抄録

In　the　soldering　process　using　He-Ne　laser,　the　automation　of　solder　joint inspection　is　becoming　more　and　more　popular.　There　are　many　inspection methods　using　different　inspection　logic. In　this　paper,　the　MTS　method　was　applied　for　the　selection　of　useful　logic　(item). Also　the　possibility　of　using　the　raw　data　which　indicate　laser　reflection　change in　conjunction　with　the　use　of　Mahalanobis　Distance　was　studied. It　was　confirmed　from　the　study　that　useful　inspection　logic　could　be　effectively identified. It　was　also　concluded　that　the　MTS　method　is　extremely　useful　for　such　an identification　process.　Since　it　was　found　possible　to　use　the　raw　data　of　laser reflection　together　with　the　MTS　method　without　using　inspection　logic,　further studies　could　help　to　speed　up　inspection　and　reduce　inspection　cost.