Ion analyzer

Abstract

An ion analyzer 1 including: a first member 16 fixed to an ion outflow port and provided with a fixing pin 1621 on one side and a pin hole 1631 on the other side sandwiching the ion outflow port; a second member 12 to be fixed to the first member and including an ion flow controller 121 configured to control movement of ions flowing out from the ion outflow port, the second member having a first concave part 1231 configured to engage with the fixing pin from a first direction perpendicular to an axis of the fixing pin, and a second concave part 1241 configured to engage with an insertion pin to be inserted into the pin hole from a second direction different from the first direction; and a pin member 17 having an insertion pin 172 inserted into the pin hole and a head part 171 configured to sandwich and fix the second concave part with the first member.

Dependencies are inferred from the claim text.