ETCHING COMPOSITION AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME

An etching composition and a method of manufacturing a semiconductor device, the composition including 5 wt % to 30 wt % of an oxidizing agent, based on a total weight of the etching composition; a salt including an anion including a carboxylate moiety having 1 to 5 carbon atoms, and an ammonium cat...

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Bibliographische Detailangaben
Hauptverfasser: LIM, Jung Hun, LEE, Jae Sung, LEE, Hyosan, PARK, Mihyun, JEON, Changsu, OH, Jung-Min, OH, Subin
Format: Patent
Sprache:eng
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Zusammenfassung:An etching composition and a method of manufacturing a semiconductor device, the composition including 5 wt % to 30 wt % of an oxidizing agent, based on a total weight of the etching composition; a salt including an anion including a carboxylate moiety having 1 to 5 carbon atoms, and an ammonium cation; and a chelating agent including a phosphonic acid having 1 to 8 carbon atoms.