Metal gate integration structure and method including metal fuse, anti-fuse and/or resistor

A semiconductor structure and a method for fabricating the semiconductor structure provide a field effect device located and formed upon an active region of a semiconductor substrate and at least one of a fuse structure, an anti-fuse structure and a resistor structure located and formed at least in...

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Hauptverfasser: KOTHANDARAMAN CHANDRASEKHARAN, SAFRAN JOHN MATTHEW, STEIN KENNETH JAY, KIM DEOK-KEE, ROBSON NORMAN WHITELAW, YAN HONGWEN, WANG PINGUAN, MOY DAN, HE ZHONG-XIANG, ESHUN EBENEZER E, HO HERBERT LEI, RASSEL ROBERT MARK, COOLBAUGH DOUGLAS D, GEBRESELASIE EPHREM G
Format: Patent
Sprache:eng
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Zusammenfassung:A semiconductor structure and a method for fabricating the semiconductor structure provide a field effect device located and formed upon an active region of a semiconductor substrate and at least one of a fuse structure, an anti-fuse structure and a resistor structure located and formed at least in part simultaneously upon an isolation region laterally separated from the active region within the semiconductor substrate. The field effect device includes a gate dielectric comprising a high dielectric constant dielectric material and a gate electrode comprising a metal material. The at least one of the fuse structure, anti-fuse structure and resistor structure includes a pad dielectric comprising the same material as the gate dielectric, and optionally, also a fuse, anti-fuse or resistor that may comprise the same metal material as the gate electrode.