THE BASIC PRINCIPLES OF IN TEM NHãN DECAL

Condenser aperture-A small laser-bored gap in the flat strip of molybdenum placed close to the condenser lens that assists to limit spherical aberration.Despite the fact that diffraction might be beneficial, diffraction of electron waves throughout the aperture openings can interfere Along with the Preliminary wave front.Nhờ sử dụng công ngh