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Silicon Carbide Single Crystal Wafers, Ingots and Their Manufacturing Methods
Silicon Carbide Single Crystal Wafers, Ingots and Their Manufacturing Methods
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机译:碳化硅单晶晶片,锭及其制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a silicon carbide single crystal wafer and silicon carbide single crystal ingot having high quality, and a method for manufacturing a silicon carbide single crystal, capable of reducing dislocation defect density.SOLUTION: In the method for manufacturing a silicon carbide single crystal, capable of growing the crystal while contacting a silicon carbide seed crystal to a raw material solution including silicon and carbon from above, the crystal growth surface of the seed crystal has an off-angle inclined by 5 degrees or less and 0.5 degrees or more from a (000-1) plane, and the solution flow of the raw material solution during crystal growth forms an upward flow contacting a central portion of the seed crystal.SELECTED DRAWING: Figure 1
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