Silicon carbide semiconductors have made waves in power electronics. Due to their exceptional physical and electronic properties, which enable them to withstand higher voltages and temperatures than silicon devices, silicon carbide semiconductors are quickly replacing traditional silicon devices as an essential replacement. Allegro Microsystems crafts innovative solutions that advance a more secure and sustainable future for humanity. Their products include sensor and power solutions for motor control applications. High-power electronic devices Silicon carbide semiconductor devices have quickly become the go-to choice for high-power electronic systems. Their benefits for system designers and manufacturers are numerous, such as higher breakdown voltage, reduced thermal resistance and faster switching speeds; which leads to smaller …

Silicon Carbide Semiconductor もっと読む »

Silicon carbide, more commonly referred to as carborundum, is a synthetically produced, extremely hard, crystalline compound of silicon and carbon that serves multiple industrial purposes including being an abrasive, refractory material and semiconductor material. SiC is typically produced as a cylindrical ingot with layers of alpha grade material (a coarse crystal structure), beta grade material and other grades as well as unreacted material on its exterior surface. Abrasive Silicon carbide, often referred to as black silicon carbide (a-SiC), has long been utilized as a hard and tough material with multiple applications in various abrasive industries and composite materials for bulletproof vests. Silicon carbide abrasive materials are widely utilized in industrial …

What Is Silicon Carbide Used For? もっと読む »

Only diamond and cubic boron nitride (B4C) abrasives are harder than SiC, providing exceptional strength, durability and thermal conductivity properties. Crystalline fluorite forms yellow to green to bluish-black iridescent crystals that sublime at 2700degC and deposit onto graphite at lower temperatures using Lely’s method. Density Silicon carbide (SiC) is an exceptionally hard, synthetically produced crystalline compound of silicon and carbon with an extremely hard Mohs scale rating (9 on Mohs scale). Its density is 3.21 g cm-3 and it sublimates at 2700 degC; its colors range from yellow-green to bluish black with iridescent properties; this material exhibits low thermal expansion while remaining resistant to chemical corrosion, oxidation and high temperatures. …

Silicon Carbide Density もっと読む »

Silicon carbide is an inorganic material comprised of both silicon and carbon that is known for its hard, durable ceramic qualities as well as chemical and thermal resistance. Cut it with diamond-tipped blades if possible! Available as both granules and powders, ceramic can also be used to manufacture plates for bulletproof vests. It is a hard material Silicon carbide is an extremely hard material with multiple uses. Produced through electrochemical reaction between silica and carbon at high temperatures, silicon carbide can also be known as “black or green silicon carbide.” First discovered accidentally by Edward G. Acheson while trying to produce artificial diamonds in 1891 while trying to produce artificial …

炭化ケイ素とは？ もっと読む »

Silicon carbide semiconductors are pioneering energy efficient innovations, helping clients reduce their power usage. Used in various electronic arrangements such as inverters which increase driving range of electric vehicles by optimizing battery management systems. EAG laboratories possess extensive expertise in analyzing SiC using both bulk and spatially resolved analytic techniques, including GDMS, XRF and ICP-OES techniques on solid samples as well as LA-ICP-MS analysis on digested/leached ones. Physical Properties Silicon carbide (SiC) is an extremely hard and heat-resistant semiconductor material. It’s used extensively in light-emitting diodes (LEDs), detectors and electronics devices designed for operating in harsh environments; in bulletproof vests, sandpaper and high-performance disc brakes as well as being the …

Silicon Carbide Semiconductors もっと読む »

Silicon carbide (SiC) is a non-oxide ceramic with numerous desirable properties that make it suitable for various uses, from abrasives and wear-resistant parts for its hardness, refractories for heat and shock resistance, electronics devices meeting high voltage demands and more. Washington Mills manufactures precision graded SiC grain for wire sawing silicon metal ingots into wafers for use in photovoltaic and semiconductor applications, helping reduce sawing kerf losses while increasing surface quality. Abrasive Silicon Carbide (SiC) is an extremely hard and durable non-oxide ceramic material and one of the world’s hardest known substances, making it highly desirable in industrial and manufacturing settings. SiC’s properties make it perfect for cutting, grinding, polishing …

Silicon Carbide Uses もっと読む »

Silicon carbide wafers are key components in power devices that drive cutting-edge technologies worldwide. Rising demand and efforts to bring power device performance closer in line with that of traditional silicon-based substrates necessitate innovative solutions. Originating as an industrial abrasive material since 1893 and found only rarely as moissanite jewels, SiC is hard and brittle, necessitating manufacturers to adopt unique procedures in order to successfully process this material. Electrical and thermal properties Silicon carbide is an extremely versatile material, ideal for use as a semiconductor substrate. Its physical hardness (second only to diamond), stability under high temperatures and current, resistance to chemical attack, durability and chemical ingress resistance all make …

A Silicon Carbide Wafer is a Critical Component in the Power Devices That Drive the World’s Newest Technologies もっと読む »

Washington Mills provides CARBOREX(r) products in various chemistries and sizes for high precision lapping and polishing operations, as well as for use with bonded/coated abrasives or pressure blasting applications. Silicon carbide (commonly referred to as Carborundum) is one of the hardest materials available and often found in products requiring high durability such as automobile brakes and clutches, bulletproof vests and bullet-resistant clothing. Hardness Silicon Carbide is one of the hardest materials known to man, ranking second only to diamond on Mohs’ scale of hardness – surpassing even tungsten carbide’s hardness rating! Refractory materials made of silicon carbide can withstand extremely high temperatures while being used for grinding, cutting and blasting …

炭化ケイ素パウダー もっと読む »

Reaction Bonded Silicon Carbide (RB SiC) is a porous silicon carbide ceramic material with superior thermal and corrosion resistance, produced by infiltrating liquid silicon into an open carbon or graphite preform. As part of its silicon supply body, phenol resin or furfuryl alcohol resin acts as a bonding agent that ensures proper frame structure when heated, facilitating even melting and eliminating lumping of fused silicon. Hardness Reaction-bonded silicon carbide (RB SiC) offers higher hardness than sintered silica but lower than nitride-bonded silicon carbide. Furthermore, its strength and impact resistance surpass that of alumina making it an excellent option for use as pipe and chute lining material. RB SiC is made …

反応結合炭化ケイ素 もっと読む »

Silicon Carbide (Carborundum) is one of the hardest materials known to man. Used widely in abrasives due to its extreme hardness, Carborundum also serves well for artistic and craft applications. Ceramic oxide has superior chemical, mechanical, thermal and electrical properties that make it suitable for mass production as an additive to abrasives or steel additives. Naturally occurring as moissanite mineral form it often finds use mass produced as an abrasive powder for use in mass-market abrasives or additives for steel applications. Automotive Rising demand for electric vehicles (EVs) has propelled automotive chipmakers to accelerate development of components using silicon carbide and other wide-bandgap materials, including silicon carbide. While yield, defectivity, …

Silicon Carbide Usage in Power Electronics もっと読む »