Composition for etching

The disclosure is related to a composition for etching, a method for manufacturing the composition, and a method for fabricating a semiconductor using the same. The composition may include a first inorganic acid, at least one of silane inorganic acid salts produced by reaction between a second inorg...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Park, Jae Wan, Lim, Jung Hun, Lee, Jin Uk
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The disclosure is related to a composition for etching, a method for manufacturing the composition, and a method for fabricating a semiconductor using the same. The composition may include a first inorganic acid, at least one of silane inorganic acid salts produced by reaction between a second inorganic acid and a silane compound, and a solvent. The second inorganic acid may be at least one selected from the group consisting of a sulfuric acid, a fuming sulfuric acid, a nitric acid, a phosphoric acid, and a combination thereof.