公开(公告)号：US09677002B2

公开(公告)日：2017-06-13

申请号：US14879835

申请日：2015-10-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Won Bae ,  Yongsun Ko ,  Byoungho Kwon ,  Bo yun Kim ,  Hongjin Kim ,  Sungoh Park ,  Kuntack Lee ,  Hyosan Lee ,  Sol Han

IPC: C09K13/06 ,  C23F1/26 ,  H01L21/768 ,  H01L21/02 ,  H01L21/3213

CPC classification number: C09K13/06 ,  C23F1/26 ,  H01L21/02074 ,  H01L21/32134 ,  H01L21/76865 ,  H01L21/76883

Abstract: An etching composition includes about 1 wt % to about 7 wt % of hydrogen peroxide, about 20 wt % to about 80 wt % of phosphoric acid, about 0.001 wt % to about 1 wt % of an amine or amide polymer, 0 wt % to about 55 wt % of sulfuric acid, and about 10 wt % to about 45 wt % of deionized water.

公开(公告)号：US20150104932A1

公开(公告)日：2015-04-16

申请号：US14573845

申请日：2014-12-17

Applicant: Samsung Electronics Co., Ltd. ,  Soulbrain Co., Ltd.

Inventor： Young Taek Hong ,  Jinuk Lee ,  Junghun Lim ,  Jaewan Park ,  Chanjin Jeong ,  Hoon Han ,  Seonghwan Park ,  Yanghwa Lee ,  Sang Won Bae ,  Daehong Eom ,  Byoungmoon Yoon ,  Jihoon Jeong ,  Kyunghyun Kim ,  Kyounghwan Kim ,  ChangSup Mun ,  Se-Ho Cha ,  Yongsun Ko

IPC: H01L21/02 ,  H01L27/115 ,  C09K13/06

CPC classification number: H01L21/02658 ,  C09K13/04 ,  C09K13/06 ,  C23F1/16 ,  H01L21/31111 ,  H01L27/11556 ,  H01L27/11582 ,  H01L29/66825 ,  H01L29/66833 ,  H01L29/7889 ,  H01L29/7926

Abstract: Etching compositions are provided. The etching composition includes a phosphoric acid, ammonium ions and a silicon compound. The silicon compound includes a silicon atom, an atomic group having an amino group combined with the silicon atom, and at least two oxygen atoms combined with the silicon atom. Methods utilizing the etching compositions are also provided.

Abstract translation: 提供蚀刻组合物。 蚀刻组合物包括磷酸，铵离子和硅化合物。 硅化合物包括硅原子，具有与硅原子结合的氨基的原子团以及与硅原子结合的至少两个氧原子。 还提供了利用蚀刻组合物的方法。