AEHR vs APH

Aehr Test Systems

Aehr Test Systems primarily designs, engineers, manufactures, and sells test and burn-in equipment for use in the semiconductor industry in the United States, Asia, and Europe. It provides full wafer contact test systems, test during burn-in systems, test fixtures, and related accessories. The company offers Advanced Burn-in and Test System family of packaged part burn-in and test systems, which perform test during burn-in of complex devices, such as digital signal processors, microprocessors, microcontrollers, and systems-on-a-chip, as well as individual temperature control for high-power advanced logic devices. It also provides FOX systems, which are full wafer contact parallel test and burn-in systems designed to make contact with various pads of a wafer simultaneously; WaferPak contactor that includes a full-wafer probe card for use in testing wafers in FOX systems; DiePak carrier, a reusable and temporary package that enables integrated circuit (IC) manufacturers to perform test and burn-in of singulated bare die or very small multi-IC modules; and test fixtures that hold the devices undergoing test or burn-in and electrically connect the devices under test to the system electronics. In addition, the company offers WaferPak Aligner, which performs automatic alignment of the customer's wafer to the WaferPak contactor; and DiePak Loader that performs automatic loading of the customer's modules to the DiePak carrier. Further, Aehr Test Systems provides customer service and support programs, including system installation, system repair, applications engineering support, spare parts inventory, customer training, and documentation services. It markets and sells its products to semiconductor manufacturers, semiconductor contract assemblers, electronics manufacturers, and burn-in and test service companies through a network of distributors and sales representatives. Aehr Test Systems was founded in 1977 and is headquartered in Fremont, California.

Amphenol Corporation

Amphenol Corporation, together with its subsidiaries, primarily designs, manufactures, and markets electrical, electronic, and fiber optic connectors in the United States, China, and internationally. It operates in two segments, Interconnect Products and Assemblies, and Cable Products and Solutions. The Interconnect Products and Assemblies segment offers connector and connector systems, including fiber optic, harsh environment, high-speed, and radio frequency interconnect products, as well as antennas; power interconnect products, busbars, and distribution systems; and other connectors. It also provides value-add products, such as backplane interconnect systems, cable assemblies and harnesses, and cable management products; and other products comprising antennas, flexible and rigid printed circuit boards, hinges, molded parts, and production-related products. The Cable Products and Solutions segment offers coaxial, power, and specialty cables; cable assemblies; and components, which include combiner/splitter products, connector and connector systems, and fiber optic components. The company sells its products through its sales force, independent representatives, and a network of electronics distributors to original equipment manufacturers, electronic manufacturing services companies, original design manufacturers, and service providers in the automotive, broadband communication, commercial aerospace, industrial, information technology and data communication, military, mobile device, and mobile network markets. Amphenol Corporation was founded in 1932 and is headquartered in Wallingford, Connecticut.