Advanced Energy Industries
NASDAQ:AEISAdvanced Energy Industries, Inc. provides precision power conversion, measurement, and control solutions in the United States and internationally. The company's plasma power products offer solutions to enable innovation for semiconductor and thin film plasma processes, such as dry etch and deposition. It also provides high and low voltage power products used in a range of applications, such as semiconductor equipment, industrial production, medical and life science equipment, data centers computing, networking, and telecommunications. In addition, the company supplies sensing, controls, and instrumentation products for advanced measurement and calibration of power and temperature. Further, the company provides calibration, conversions, upgrades, and refurbishments and used equipment to companies, as well as repair services. Further, it offers warranty and after-market repair services. It offers its products through a direct sales force, independent sales representatives, channel partners, and distributors. Advanced Energy Industries, Inc. was incorporated in 1981 and is headquartered in Denver, Colorado.
Amkor Technology
NASDAQ:AMKRAmkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, the Middle East, Africa, and the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, system-level and final test, and drop shipment services; flip chip scale package products for smartphones, tablets, and other mobile consumer electronic devices; flip chip stacked chip scale packages that are used to stack memory digital baseband, and as applications processors in mobile devices; flip-chip ball grid array packages for various networking, storage, computing, automotive, and consumer applications; and memory products for system memory or platform data storage. The company also provides wafer-level CSP packages for power management, transceivers, sensors, wireless charging, codecs, radar, and specialty silicon; wafer-level fan-out packages used in power management, transceivers, radar, and specialty silicon; silicon wafer integrated fan-out technology that replaces a laminate substrate with a thinner structure; leadframe packages for electronic devices and mixed-signal applications; and substrate-based wirebond packages used to connect a die to a substrate. In addition, it offers micro-electro-mechanical systems packages that are miniaturized mechanical and electromechanical devices; and advanced system-in-package modules used in radio frequency and front end modules, basebands, connectivity, fingerprint sensors, display and touch screen drivers, sensors and MEMS, and NAND memory and solid-state drives. Further, the company provides wafer, package, and system level test services, as well as burn-in test and test development services. It serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries. The company was founded in 1968 and is headquartered in Tempe, Arizona.
CMC Materials
NASDAQ:CCMPCMC Materials, Inc., together with its subsidiaries, provides consumable materials to semiconductor manufacturers, and pipeline and adjacent industry customers in North America, Asia, Europe, the Middle East, Africa, and South America. The company operates in two segments, Electronic Materials and Performance Materials. The Electronic Materials segment develops, produces, and sells chemical mechanical planarization (CMP) slurries for polishing various materials used in IC devices, including tungsten, dielectric materials, copper, tantalum, and aluminum; and various materials that are used in the production of disk substrates and magnetic heads for hard disk drives; and CMP pads, which are used in conjunction with slurries in the CMP process. This segment also offers sulfuric, phosphoric, nitric, and hydrofluoric acids, as well as ammonium hydroxide, hydrogen peroxide, isopropyl alcohol, other specialty organic solvents, and various blends of chemicals; and develops and manufactures consumable products for cleaning advanced probe cards and test sockets. The Performance Materials segment provides pipeline and industrial materials comprising polymer-based drag-reducing agents for crude oil transmission, valve greases, cleaners and sealants, and related services and equipment; and routine and emergency maintenance services, as well as training services. This segment also offers precision polishing and metrology systems for advanced optics applications; and magneto-rheological polishing fluids, consumables, and spare and replacement parts, as well as optical polishing services and other customer support services; and engages in the wood treatment business. The company was formerly known as Cabot Microelectronics Corporation and changed its name to CMC Materials, Inc. in October 2020. CMC Materials, Inc. was incorporated in 1999 and is headquartered in Aurora, Illinois.
Onto Innovation
NYSE:ONTOOnto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that performs optical metrology. The company offers lithography systems and process control analytical software. It also offers process and yield management solutions, and device packaging and test facilities through standalone systems for optical metrology, macro-defect inspection, packaging lithography, and transparent and opaque thin film measurements. In addition, the company provides process control software portfolio that includes solutions for standalone tools, groups of tools, and enterprise-or factory-wide suites. Further, it engages in systems software, spare parts, and other services, as well as offers software licensing services. The company's products are used in semiconductor and advanced packaging device manufacturers; silicon wafer; light emitting diode; vertical-cavity surface-emitting laser; micro-electromechanical system; CMOS image sensor; power device; analog device; RF filter; data storage; and various industrial and scientific applications. Onto Innovation Inc. was founded in 1940 and is headquartered in Wilmington, Massachusetts.