Selective removal of a silicon oxide layer

Selective removal of a silicon oxide layer

The invention concerns a method of fabricating a device, comprising the steps of forming a first silicon oxide layer within a first region of said device and a second silicon oxide layer within a second region of said device, implanting doping ions of a first type into said first region, implanting...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BESSON PASCAL, MONDOT ALEXANDRE, MUELLER MARKUS
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:The invention concerns a method of fabricating a device, comprising the steps of forming a first silicon oxide layer within a first region of said device and a second silicon oxide layer within a second region of said device, implanting doping ions of a first type into said first region, implanting doping ions of a second type into said second region, and etching said first and second regions for a determined duration such that said first silicon oxide layer is removed and at least a part of said second silicon oxide layer remains.