Aehr Test Systems is a provider of burn-in equipment. The Company manufactures and markets full wafer contact test systems, test during burn-in systems, test fixtures, die carriers and related accessories. The Company's principal products are the Advanced Burn-In and Test System (ABTS), the FOX full wafer contact parallel test and burn-in systems, the MAX burn-in system, WaferPak full wafer contactor, the DiePak carrier and test fixtures. The Company develops, manufactures and sells systems, which are designed to reduce the cost of testing and to perform reliability screening, or burn-in, of complex logic devices, memory integrated circuits (ICs), sensors and optical devices. These systems can be used to perform parallel testing and burn-in of packaged ICs, singulated bare die or ICs still in wafer form. The Company's product families include the ABTS and FOX systems, the WaferPak cartridge and the DiePak carrier.