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公开(公告)号:EP4204506A1
公开(公告)日:2023-07-05
申请号:EP21862651.3
申请日:2021-08-25
IPC分类号: C09G1/02 , H01L21/304
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公开(公告)号:EP3995550A1
公开(公告)日:2022-05-11
申请号:EP21206058.6
申请日:2021-11-02
摘要: This disclosure relates to a polishing composition that includes at least one abrasive; at least one nitride removal rate reducing agent, an acid or a base; and water. The at least one nitride removal rate reduce agent can include a hydrophobic portion containing a C 4 to C 40 hydrocarbon group; and a hydrophilic portion containing at least one group selected from the group consisting of a sulfinite group, a sulfate group, a sulfonate group, a carboxylate group, a phosphate group, and a phosphonate group; in which the hydrophobic portion and the hydrophilic portion are separated by zero to ten alkylene oxide groups. The polishing composition can have a pH of from about 2 to about 6.5.
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公开(公告)号:EP4121224A1
公开(公告)日:2023-01-25
申请号:EP21772020.0
申请日:2021-03-18
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公开(公告)号:EP4423796A1
公开(公告)日:2024-09-04
申请号:EP22887974.8
申请日:2022-10-21
发明人: TURNER, Eric , HU, Bin , LIANG, Yannan , JOHNSTON, James , MCDONOUGH, James
IPC分类号: H01L21/302 , C09G1/04 , C09K3/14
CPC分类号: H01L21/3212 , C09K3/1436 , C09G1/02
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公开(公告)号:EP4314178A1
公开(公告)日:2024-02-07
申请号:EP22776388.5
申请日:2022-03-21
发明人: CHENG, Qingmin , HU, Bin , KELLY, Kristopher, D. , LIANG, Yannan , LEE, Hyosang , TURNER, Eric , MISHRA, Abhudaya
IPC分类号: C09G1/02 , C09K3/14 , H01L21/304
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公开(公告)号:EP4204505A1
公开(公告)日:2023-07-05
申请号:EP21862647.1
申请日:2021-08-25
IPC分类号: C09G1/02 , H01L21/304
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公开(公告)号:EP3670621A1
公开(公告)日:2020-06-24
申请号:EP19173321.1
申请日:2019-05-08
IPC分类号: C09G1/02
摘要: This disclosure relates to a polishing composition that includes at least one abrasive; at least one nitride removal rate reducing agent, an acid or a base; and water. The at least one nitride removal rate reduce agent can include a hydrophobic portion containing a C 12 to C 40 hydrocarbon group; and a hydrophilic portion containing at least one group selected from the group consisting of a sulfinite group, a sulfate group, a sulfonate group, a carboxylate group, a phosphate group, and a phosphonate group; in which the hydrophobic portion and the hydrophilic portion are separated by zero to ten alkylene oxide groups. The polishing composition can have a pH of about 2 to about 6.5.
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公开(公告)号:EP3670620A1
公开(公告)日:2020-06-24
申请号:EP19172460.8
申请日:2019-05-03
IPC分类号: C09G1/02
摘要: This disclosure relates to a polishing composition that includes at least one abrasive; at least one nitride removal rate reducing agent, an acid or a base; and water. The at least one nitride removal rate reduce agent can include a hydrophobic portion and a hydrophilic portion; in which the hydrophobic portion includes a C 12 to C 40 hydrocarbon group and is separated by zero to ten alkylene oxide groups from the hydrophilic portion. The polishing composition has a pH of about 2 to about 6.5, and can have a ratio of a removal rate for a silicon oxide to a removal rate for a silicon nitride of at least about 3:1 when polishing a patterned wafer comprising at least silicon nitride patterns overlayed with at least silicon oxide.
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