Invention Grant
- Patent Title: Post CMP cleaning composition
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Application No.: US16659471Application Date: 2019-10-21
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Publication No.: US11124746B2Publication Date: 2021-09-21
- Inventor: Daniela White , Michael White , Jun Liu , Elizabeth Thomas
- Applicant: ENTEGRIS, INC.
- Applicant Address: US MA Billerica
- Assignee: ENTEGRIS, INC.
- Current Assignee: ENTEGRIS, INC.
- Current Assignee Address: US MA Billerica
- Agency: Entegris, Inc.
- Main IPC: C11D7/32
- IPC: C11D7/32 ; C11D11/00 ; C11D3/00 ; C11D3/30 ; B08B3/08 ; C11D1/62 ; C11D1/58 ; C11D1/90 ; H01L21/02 ; C11D3/28

Abstract:
The disclosure generally relates to a composition and process for cleaning residue and/or contaminants from microelectronic devices having said residue and contaminants thereon. The residue may include post-CMP, post-etch, and/or post-ash residue. The compositions and methods are particularly advantageous when cleaning a microelectronic surface comprising copper, low-k dielectric materials, and barrier materials comprising at least one of tantalum-containing material, cobalt-containing material, tantalum-containing, tungsten-containing, and ruthenium-containing material.
Public/Granted literature
- US20200148979A1 POST CMP CLEANING COMPOSITION Public/Granted day:2020-05-14
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