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LOW-DIELECTRIC CONSTANT DIELECTRIC AND COPPER INTERCONNECT STRUCTURE AND INTEGRATION METHOD THEREOF
LOW-DIELECTRIC CONSTANT DIELECTRIC AND COPPER INTERCONNECT STRUCTURE AND INTEGRATION METHOD THEREOF
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机译:低介电常数铜铜互连结构及其集成方法
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摘要
A low-dielectric constant dielectric and a copper interconnect structure and an integration method thereof are provided. The copper interconnect is combined with an air gap to reduce capacitance. Supporting structures(401,402) are used to support copper wires(104) to keep the form of the copper wires(104) after the dielectric is removed. The advantages are implementing the full air gap structures (210,211,212) of the longer wire, avoiding short-circuit or disconnection of the copper wires(104), and reducing resistor-capacitor(RC) delay.
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