About HIOKI TATSUMI
About ITO AKIO
About NODA SHOJI
About DOI HARUO
About KAWAMOTO JUN'ICHI
About KAMIGAITO OSAMI
About 粉体および粉末冶金
About sapphire
About Irradiational changes of other materials
About イオン照射
About サファイア
About 亀裂
About 癒着
About 非晶質
About 耐亀裂性