Diffused titanium resistor and method for fabricating same

According to the preferred embodiment of the present invention, an improved resistor and method of fabrication is provided. The method for fabricating a resistive element into an integrated circuit semiconductor device comprises the steps of: depositing a dielectric film, such as silicon nitride; de...

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Bibliographische Detailangaben
Hauptverfasser: RAMAC, SAMUEL, C, HO, HERBERT LEI, FUGARDI, STEPHEN, GERARD, HAMMERL, ERWIN, DOBUZINSKY, DAVID MARK, STRONG, ALVIN WAYNE
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:According to the preferred embodiment of the present invention, an improved resistor and method of fabrication is provided. The method for fabricating a resistive element into an integrated circuit semiconductor device comprises the steps of: depositing a dielectric film, such as silicon nitride; depositing a titanium film upon the dielectric film; and annealing the titanium and dielectric films. This causes titanium to be diffused into the dielectric film. This creates a resistive element having a relatively high resistivity. The preferred embodiment method has the advantage of being easily integrated into conventional integrated circuit fabrication techniques.