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Hiroyuki Matsunami (松波弘之 born June 5, 1939) is a Japanese engineer, researcher and educator. He was awarded the IEEE Edison Medal in 2023 for his pioneering contributions to the development of the material silicon carbide and its applications in electronic power devices. [1]
The power MOSFET is the most common power device in the world, due to its low gate drive power, fast switching speed, and advanced paralleling capability. [16] It has a wide range of power electronic applications, such as portable information appliances , power integrated circuits, cell phones , notebook computers , and the communications ...
Silicon carbide (SiC), also known as carborundum (/ ˌ k ɑːr b ə ˈ r ʌ n d əm /), is a hard chemical compound containing silicon and carbon. A wide bandgap semiconductor , it occurs in nature as the extremely rare mineral moissanite , but has been mass-produced as a powder and crystal since 1893 for use as an abrasive .
Wolfspeed, Inc. is an American developer and manufacturer of wide-bandgap semiconductors, focused on silicon carbide and gallium nitride materials and devices for power and radio frequency applications such as transportation, power supplies, power inverters, and wireless systems. The company was formerly named Cree, Inc. [1]
Silicon carbide has a high thermal conductivity, and temperature has little influence on its switching and thermal characteristics. With special packaging, silicon carbide Schottky diodes can operate at junction temperatures of over 500 K (about 200 °C), which allows passive radiative cooling in aerospace applications. [5]
Continuous innovation in consumer technology requires Power ICs to meet higher power demands while ensuring compactness and reliability, further fueling market growth. Silicon Carbide segment dominated the market in 2023 By material, the silicon carbide (SiC) segment was the highest contributor in 2023 and is projected to maintain its dominance.
Green electroluminescence from a point contact on a crystal of SiC recreates Round's original experiment from 1907. Close-up of a 1 watt red power led. The first Light-Emitting Diode was created in 1927 by Russian inventor Oleg Losev, [1] and used silicon carbide as a semiconductor.
Micropipes are also relevant to makers of silicon carbide (SiC) substrates, used in a variety of industries such as power semiconductor devices for vehicles and high frequency communication devices; during the production of these materials, the crystal undergoes internal and external stresses causing growth of defects, or dislocations, within ...