WATERBORNE DISPERSION COMPOSITION

Methods and apparatus for etching a high aspect ratio feature in a stack on a substrate are provided. The feature may be formed in the process of forming a 3D NAND device. Typically, the stack includes alternating layers of material such as silicon oxide and silicon nitride or silicon oxide and poly...

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Bibliographische Detailangaben
Hauptverfasser: LIPOVSKY, James M, HASSO, Douglas J, GUO, Yinzhong, CYGAN, Ludwik S, JACOBS, Joseph, ESCOBAR MARIN, Carlos A
Format: Patent
Sprache:eng ; fre ; ger
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