KNOWLES CORPORATION
Knowles Corporation offers capacitors, radio frequency (RF) and microwave filters, balanced armature speakers, and medtech microphones in Asia, the United States, Europe, rest of Americas, and internationally. It operates in two segments, Precision Devices (PD) and Medtech & Specialty Audio (MSA). The PD segment designs and delivers ceramic, film, electrolytic, and mica capacitor products for use in power supplies and medical implants; and RF filtering solutions for use in satellite communications and radar systems for defense applications. The MSA segment designs and manufactures balanced armature speakers and microphones for the hearing health, audio, and True Wireless Stereo markets. It serves the defense, medtech, electric vehicle, industrial, and communications markets through original equipment manufacturers, their contract manufacturers, suppliers, sales representatives, and distributors. Knowles Corporation was founded in 1946 and is headquartered in Itasca, Illinois.
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Richardson Electronics, Ltd. provides engineered solutions, power grid and microwave tube, and related consumables in North America, the Asia Pacific, Europe, and Latin America. The company's Power and Microwave Technologies segment manufactures electron tubes and radio frequency (RF), microwave and power components used in semiconductor manufacturing equipment, RF, and wireless and industrial power applications, as well as various applications, including broadcast transmission, CO2 laser cutting, diagnostic imaging, dielectric and induction heating, energy transfer, high voltage switching, plasma, power conversion, radar, and radiation oncology. This segment also provides thyratrons and rectifiers, power tubes, ignitrons, magnetrons, phototubes, microwave generators, ultracapacitor modules, and liquid crystal display monitors under the Amperex, Cetron, and National brands. Its Green Energy Solutions segment operates as a designer, manufacturer, technology partner, and distributor of products for green energy applications, such as wind, solar, hydrogen, and electric vehicles; and other power management applications that support green solutions comprising synthetic diamond manufacturing. The company's Canvys segment provides custom display solutions consisting of touch screens, protective panels, custom enclosures, all-in-one computers, specialized cabinet finishes and application-specific software packages, and certification. Its Healthcare segment offers diagnostic imaging replacement parts for CT and MRI systems, replacement CT and MRI tubes, CT service training, MRI and RF amplifiers, hydrogen thyratrons, klystrons, flat panel detector upgrades, pre-owned CT systems, and replacement solutions for the healthcare market. The company serves energy, healthcare, aviation, broadcast, communications, industrial, marine, medical, military, scientific, and semiconductor markets. The company was founded in 1947 and is headquartered in LaFox, Illinois.
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