Pyrometry filter for thermal process chamber

Pyrometry filter for thermal process chamber

Embodiments of the invention generally relate to pyrometry during thermal processing of semiconductor substrates. More specifically, embodiments of the invention relate to a pyrometry filter for a thermal process chamber. In certain embodiments, the pyrometry filter selectively filters selected wave...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Adams, Bruce E, Ranish, Joseph M
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:Embodiments of the invention generally relate to pyrometry during thermal processing of semiconductor substrates. More specifically, embodiments of the invention relate to a pyrometry filter for a thermal process chamber. In certain embodiments, the pyrometry filter selectively filters selected wavelengths of energy to improve a pyrometer measurement. The pyrometry filter may have various geometries which may affect the functionality of the pyrometry filter.