THIN-FILM RESISTOR AND METHOD OF MANUFACTURING THE SAME

THIN-FILM RESISTOR AND METHOD OF MANUFACTURING THE SAME

The invention relates to integration of a thin-film resistor in a wiring level, such as, for example, an aluminum back-end-of-line (BEOL) technology. The thin-film resistor is formed in a wiring level on, for example, an upper surface of a dielectric layer. The thin-film resistor includes end portio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ESHUN EBENEZER E
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:The invention relates to integration of a thin-film resistor in a wiring level, such as, for example, an aluminum back-end-of-line (BEOL) technology. The thin-film resistor is formed in a wiring level on, for example, an upper surface of a dielectric layer. The thin-film resistor includes end portions tapered at an angle less than 90 degrees with respect to the upper surface. The tapered end portions provide increased surface area for making contact to the thin-film resistor without adversely affecting the resistance value of the thin-film resistor.