About HANDA TAKAO
About NTT 情報流通基盤総研 環境エネルギー研
About SAITO HIROYUKI
About NTT 情報流通基盤総研 環境エネルギー研
About SAWADA TAKASHI
About NTT 情報流通基盤総研 環境エネルギー研
About WATANABE MASAMITSU
About NTT 技術協力セ
About 材料試験技術
About communication equipment
About information technology
About printed board
About sea salt nucleus
About salt damage
About LSI
About electromigration
About corrosion
About refuse(solid waste)
About material testing
About failure
About Communication equipment in general
About Corrosion
About Material testing
About 通信設備
About 電気・電子部品
About 腐食