About SUGANUMA KATSUAKI
About 大阪大 産科研
About エレクトロニクス実装学会誌
About multistory structure
About thermal fatigue
About Connecting parts
About Electric and electronic parts in general
About Thermal engineering in general
About 鉛フリー
About 段階
About 問題
About 低温
About 鉛フリーはんだ
About 動向