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.
Power Integrations
NASDAQ:POWIPower Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits (ICs), and other electronic components and circuitry used in high-voltage power conversion worldwide. The company provides a range of alternating current to direct current power conversion products that address power supply ranging from less than one watt of output to approximately 500 watts of output for mobile-device chargers, consumer appliances, utility meters, LCD monitors, main and standby power supplies for desktop computers and TVs, LED lighting, and various other consumer and industrial applications, as well as power conversion in high-power applications comprising industrial motors, solar and wind-power systems, electric vehicles, and high-voltage DC transmission systems. It also offers high-voltage diodes; InnoSwitch IC for electric vehicles; high-voltage gate-driver products used to operate high-voltage switches, such as insulated-gate bipolar transistors and silicon-carbide MOSFETs under the SCALE and SCALE-2 product-family names; and SCALE-iDriver for use in powertrain and charging applications for electric vehicles. In addition, the company provides motor-driver ICs for use in refrigerator compressors, ceiling fans, and air purifiers, as well as pumps, fans, and blowers used in consumer appliances, such as dishwashers and laundry machines. It serves communications, computer, consumer, and industrial markets. The company sells its products to original equipment manufacturers and merchant power supply manufacturers through direct sales staff, as well as a network of independent sales representatives and distributors. Power Integrations, Inc. was incorporated in 1988 and is headquartered in San Jose, California.
Silicon Laboratories
NASDAQ:SLABSilicon Laboratories Inc., a fabless semiconductor company, provides various analog-intensive mixed-signal solutions in the United States, China, Taiwan, and internationally. The company's products include wireless microcontrollers and sensor products. Its products are used in various electronic products in a range of applications for the industrial Internet of Things (IoT), including industrial automation and control, smart buildings, access control, HVAC control, and industrial wearables and power tools; smart cities applications, such as smart metering, smart street lighting, renewable energy, electric vehicle supply equipment, and smart agriculture; commercial IoT applications, including smart lighting, asset tracking, electronic shelf labels, theft protection, and enterprise access points; smart home applications, comprising home automation/security systems, smart speakers, smart lighting, HVAC control, smart cameras, smart appliances, smart home sensing, smart locks, and window/blind controls; and connected health applications, including diabetes management, consumer health and fitness, elderly care, patient monitoring, and activity tracking; as well as in commercial building automation, consumer electronics, and medical instrumentation. The company sells its products through its direct sales force, as well as through a network of independent sales representatives and distributors. Silicon Laboratories Inc. was founded in 1996 and is headquartered in Austin, Texas.
Tower Semiconductor
NASDAQ:TSEMTower Semiconductor Ltd., an independent semiconductor foundry, focus on specialty process technologies to manufacture analog intensive mixed-signal semiconductor devices in Israel, the United States, Japan, Europe, and internationally. It provides various customizable process technologies, including SiGe, BiCMOS, mixed signal/CMOS, RF CMOS, CMOS image sensor, integrated power management, and MEMS. The Company also provides design enablement platform for quick and accurate design cycle, as well as transfer optimization and development process services to integrated device manufacturers and fabless companies. It serves various markets, such as consumer electronics, personal computers, communications, automotive, industrial, aerospace, military, and medical device products. The company was incorporated in 1993 and is headquartered in Migdal Haemek, Israel.