ETCHING METHOD METHOD OF MANUFACTURING ARTICLE AND ETCHING SOLUTION

The present invention relates to an etching method capable of anisotropy processing. The etching method according to an embodiment comprises: forming a catalyst layer including a noble metal on a structure including a semiconductor; and immersing the structure in an etching solution containing hydro...

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1. Verfasser: ASANO YUSAKU
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:The present invention relates to an etching method capable of anisotropy processing. The etching method according to an embodiment comprises: forming a catalyst layer including a noble metal on a structure including a semiconductor; and immersing the structure in an etching solution containing hydrofluoric acid, an oxidizing agent and an organic additive to remove a part of the structure that is in contact with the catalyst layer. 하나의 실시 형태의 에칭 방법은, 반도체를 포함하는 구조물 위에 귀금속을 포함하는 촉매층을 형성하는 것과, 상기 구조물을, 불화 수소산과 산화제와 유기 첨가제를 포함한 에칭액 안에 침지시켜서, 상기 구조물 중 상기 촉매층과 접해 있는 부분을 제거하는 것을 포함한다.