Observation apparatus and method for observing void in underfill resin

摘要

A disclosed observation apparatus for observing a void generated in an underfill resin upon mounting a body to be mounted on a substrate via the underfill resin in flip-chip mounting includes: a mounting unit mounting the body to be mounted on the substrate; and an observation unit observing behavior of the underfill resin while the mounting unit is mounting the body to be mounted on the substrate.