略語大辞典 [Mech] 25 IFS ion-figuring system イオン整形システム. 光学研磨製品の最終仕上げ技術.ion-figuring system; removes material from the substrate, on the atomic level, by momentum transfer from a directed ion beam that bombards the surface; achieves the final surface-figure requirements, while mechanical small-to 丸善「略語大辞典」JLogosID : 11878219