Patent ID: 11860083
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 17:
18. An apparatus for testing an object, the apparatus comprising:
a test chamber;
a test board for testing an object, the test board disposed within the test chamber;
a first chamber adjacent to the test chamber with a lower surface of the test board exposed to the first chamber;
a second chamber at least partially surrounding the first chamber and isolating the first chamber from ambient air; and
a gas supply module supplying a dry gas to the second chamber and providing the second chamber with a positive pressure that is higher than an ambient pressure, thereby preventing the ambient air from infiltrating into the first chamber,
wherein the first chamber has an upper end in contact with a lower surface of the test chamber, and the second chamber has an upper end in contact with the lower surface of the test chamber.