PROFILE ADJUSTMENT IN PLASMA ION IMPLANTER

A method to provide a dopant profile adjustment solution in plasma doping systems for meeting both concentration and junction depth requirements. Bias ramping and bias ramp rate adjusting may be performed to achieve a desired dopant profile so that surface peak dopant profiles and retrograde dopant...

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Bibliographische Detailangaben
Hauptverfasser:	DENO VINCENT, FANG ZIWEI, GODET LUDOVIC, APPEL RICHARD, PAPASOULIOTIS GEORGE D, PERSING HAROLD M, SINGH VIKRAM
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:	A method to provide a dopant profile adjustment solution in plasma doping systems for meeting both concentration and junction depth requirements. Bias ramping and bias ramp rate adjusting may be performed to achieve a desired dopant profile so that surface peak dopant profiles and retrograde dopant profiles are realized. The method may include an amorphization step in one embodiment.