MIXED TRIMMING METHOD

MIXED TRIMMING METHOD

The invention relates to a method of trimming a structure that includes a first wafer bonded to a second wafer, with the first wafer having a chamfered edge. The method includes a first step of trimming the edge of the first wafer by mechanical machining over a predetermined depth in the first wafer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIGETTE MARION, MOLINARI SEBASTIEN, BROEKAART MARCEL, NEYRET ERIC
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 a method of trimming a structure that includes a first wafer bonded to a second wafer, with the first wafer having a chamfered edge. The method includes a first step of trimming the edge of the first wafer by mechanical machining over a predetermined depth in the first wafer. This first trimming step is followed by a second step of non-mechanical trimming over at least the remaining thickness of the first wafer.