1、SiN chip：The sample is deposited on the chip, the distance between the sample and the marking line (point) is localized by SEM, and the sample is searched according to the marking line (point) after being placed into the chamber.。

2、Capillary：The powder sample is poured into the capillary tube along the capillary funnel, and the sample is electrostatically adsorbed on the wall of the tube.。

3、Needle：Sample is soldered to the needle via FIB