THE DEFINITIVE GUIDE TO IN TEM NổI

Condenser aperture-A small laser-bored gap in a very flat strip of molybdenum placed near the condenser lens that helps to Restrict spherical aberration.Whilst diffraction could be practical, diffraction of electron waves around the aperture openings can interfere Together with the initial wave front.Dựa vào mục đích, cũng như chất liệ