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DIOD vs MKSI

Diodes Inc and MKS Inc. Common Stock

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Diodes Inc

Diodes Incorporated, together with its subsidiaries, manufactures and supplies application-specific standard products in the broad discrete, logic, analog, and mixed-signal semiconductor markets in Asia, Europe, and the Americas. The company offers discrete semiconductor products, such as MOSFETs, SiC MOSFETs; data line protection, power line protection, thyristers, USB Type-C protection, and transient voltage suppressors; Schottky, small signal switching, Zener, and SiC diodes; bridges, super barrier, Schottky, Schottky bridge, and fast/ultra-fast rectifiers; and bipolar, avalanche, gate driver, and pre-bias transistors. It provides analog products, including power management devices comprising AC-DC and DC-DC converters, USB power switches, low dropout, photocoupler and linear voltage regulators; standard linear devices consisting of operational amplifiers and comparators, current monitors, voltage references, and reset generators; LED lighting drivers; audio amplifiers; and sensor products, such as hall-effect sensors and motor drivers. In addition, the company offers mixed-signal products, such as high speed mux/demux, digital switches, interface, re-drivers, universal level shifters/voltage translators, clock ICs, and packet switches; standard logic products comprising low-voltage complementary metal-oxide-semiconductor (CMOS) and advanced high-speed CMOS devices; ultra-low power CMOS logic; analog switches; multichip products and co-packaged discrete, analog and mixed-signal silicon in miniature packages; and silicon and silicon epitaxial wafers used in manufacturing frequency control products and contact images sensors. It serves industrial, automotive, computing, communications, and consumer markets through direct sales, marketing personnel, independent sales representatives, and distributors. The company was incorporated in 1959 and is headquartered in Plano, Texas.

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MKS Inc. Common Stock

MKS Inc. provides foundational technology solutions to semiconductor manufacturing, electronics and packaging, and specialty industrial applications in the United States, China, South Korea, Japan, Taiwan, Singapore, and internationally. It operates through Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Material Solutions Division (MSD) segments. The VSD segment provides foundational technology solutions, including pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, electronic control technology, reactive gas generation and delivery, power generation and delivery, and fiber optic temperature and position sensing. The PSD segment offers range of solutions, which include lasers, beam measurement and profiling, precision motion control, vibration isolation systems, photonics instruments, temperature sensing, opto-mechanical components, optical elements, systems for flexible PCB laser processing, and laser-based systems, as well as high density interconnect PCB and package manufacturing. The MSD segment develops, process, and manufactures technologies comprising advanced surface modification, electroless and electrolytic plating, and surface finishing for chemistry, equipment, and services markets, as well as high-technology applications. In addition, the company sells its products and services through direct sales, network of independent distributors, and sales representatives, as well as websites, including product catalogs. MKS Inc. was formerly known as MKS Instruments, Inc. and changed its name to MKS Inc. in May 2025. The company was incorporated in 1961 and is headquartered in Andover, Massachusetts.

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