Substrate with silicon carbide film, method for producing substrate with silicon carbide film, and semiconductor device

Substrate with silicon carbide film, method for producing substrate with silicon carbide film, and semiconductor device

A substrate with a silicon carbide film includes a Si substrate, and a SiC film and a mask stacked on the Si substrate. The SiC film has a first SiC film provided on the upper side of the Si substrate and a second SiC film provided on the upper side of the first SiC film. The mask has a first mask p...

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1. Verfasser: WATANABE YUKIMUNE
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Zusammenfassung:A substrate with a silicon carbide film includes a Si substrate, and a SiC film and a mask stacked on the Si substrate. The SiC film has a first SiC film provided on the upper side of the Si substrate and a second SiC film provided on the upper side of the first SiC film. The mask has a first mask provided on the Si substrate and including an opening (first opening) and a second mask provided on the first SiC film and including an opening (second opening). The width W1 (μm) of the first opening and the thickness T1 (μm) of the first mask satisfy the following relationship: T1