AEHR vs FLEX

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.

Flex Ltd.

Flex Ltd. provides design, engineering, manufacturing, and supply chain services and solutions to original equipment manufacturers in Asia, the Americas, and Europe. It operates through High Reliability Solutions, Industrial and Emerging Industries, Communications & Enterprise Compute, and Consumer Technologies Group segments. The company provides a portfolio of technologies in electrical/electronics, electromechanical, and software; and cross-industry technologies, including human machine interface, audio and video, system in package, miniaturization, IoT platforms, and power management. It also designs and integrates advanced data center servers, storage and networking equipment, and data center appliances. In addition, the company provides value-added design and engineering services; and systems assembly and manufacturing services that include enclosures, testing services, and materials procurement and inventory management services. Further, it offers chargers for smartphones and tablets; adapters for notebooks and gaming systems; power supplies for the server, storage, and networking markets; isolated DC/DC converters and non-isolated Point of Load converters for the information and communications technology market; and specialized power module solutions for other markets. Additionally, the company provides after-market and forward supply chain logistics services comprising supplier-managed inventory, inbound freight management, product postponement, build/configure to order, order fulfillment and distribution, asset tracking, and supply chain network design; and reverse logistics and repair solutions, including returns management, exchange programs, complex repair, asset recovery, recycling, and e-waste management. The company was formerly known as Flextronics International Ltd. and changed its name to Flex Ltd. in September 2016. Flex Ltd. was founded in 1990 and is based in Singapore.