Test carrier and carrier assembling apparatus

A test carrier carried in a state of accommodating a device under test (DUT), the test carrier comprising:

• a carrier body that holds the DUT;
• a lid member that covers the DUT and is attached to the carrier body;
• and
• an identifier for identifying of the test carrier, wherein
• the identifier is associated with first information about the test carrier,
• the carrier body includes:
• contactors provided to correspond to terminals of the DUT;
• external terminals electrically connected to the contactors;
• and
• a first through-hole for positioning that is provided to face the DUT, and
• the identifier includes a correction value corresponding to an error of a relative position of the first through-hole with respect to the contactor.