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Method for etching deep, high-aspect ratio features into silicon carbide and gallium nitride
Method for etching deep, high-aspect ratio features into silicon carbide and gallium nitride
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机译:将深,高纵横比特征蚀刻成碳化硅和氮化镓中的方法
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摘要
A method for the etching of deep, high-aspect ratio features into silicon carbide (SiC), gallium nitride (GaN) and similar materials using an Inductively-Coupled Plasma (ICP) etch process technology is described. This technology can also be used to etch features in silicon carbide and gallium nitride having near vertical sidewalls. The disclosed method has application in the fabrication of electronics, microelectronics, power electronics, Monolithic Microwave Integrated Circuits (MMICs), high-voltage electronics, high-temperature electronics, high-power electronics, Light-Emitting Diodes (LEDs), Micro-Electro-Mechanical Systems (MEMS), micro-mechanical devices, microelectronic devices and systems, nanotechnology devices and systems, Nano-Electro-Mechanical Systems (NEMS), photonic devices, and any devices and/or structures made from silicon carbide and/or gallium nitride. The disclosed method also has application in the fabrication of through-substrate vias and through-wafer vias, including those that are subsequently filled with electrically conductive materials.
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