Patent ID: 9494639
Filing Date: 2016-11-15
CPC Classification: G01R

Claim Text:
1. An inspection apparatus comprising: a first tester and a second tester in and from each of which a substrate is to be loaded and unloaded, the first tester and the second tester testing the loaded substrate; a first stage on which the first tester is mounted, the first stage being movable to a first loading and unloading position where the substrate is loaded in and unloaded from the first tester and a first test position where the first tester is located during a test of the substrate loaded at the first loading and unloading position, the first test position being provided above the first loading and unloading position; a second stage on which the second tester is mounted, the second stage being provided below the first stage and being movable to a second loading and unloading position where the substrate is loaded in and unloaded from the second tester and a second test position where the second tester is located during a test of the substrate loaded at the second loading and unloading position, the second test position being provided below the second loading and unloading position; and a lift mechanism that moves the first stage up and down to the first loading and unloading position and the first test position and moves the second stage up and down to the second loading and unloading position and the second test position.