Hamamatsu-photonics K.k.

Yasuhida Naito

Takayuki Ohmura

Masahiro Kotani

A surface-assisted laser desorption/ionization method according to an aspect includes: a first process of preparing a sample support () having a substrate () in which a plurality of through-holes (S) passing from one surface () thereof to the other surface () thereof are provided and a conductive layer () that covers at least the one surface (); a second process of placing a sample () on a sample stage () and arranging the sample support () on the sample () such that the other surface () faces the sample (); and a third process of applying a laser beam (L) to the one surface () and ionizing the sample () moved from the other surface () side to the one surface () side via the through-holes (S) due to a capillary phenomenon.

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Hamamatsu, Japan

Yasuhida Naito