Invention Grant
- Patent Title: Cleaning formulations
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Application No.: US15264078Application Date: 2016-09-13
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Publication No.: US10233413B2Publication Date: 2019-03-19
- Inventor: Seiji Inaoka
- Applicant: Air Products and Chemicals, Inc.
- Applicant Address: US AZ Tempe
- Assignee: VERSUM MATERIALS US, LLC
- Current Assignee: VERSUM MATERIALS US, LLC
- Current Assignee Address: US AZ Tempe
- Agent Anne B. Kiernan
- Main IPC: C11D3/00
- IPC: C11D3/00 ; C11D7/00 ; C11D11/00 ; H01L21/02 ; C11D7/26 ; C11D7/32 ; C11D7/50

Abstract:
A composition useful for removing residue from a semiconductor substrate comprising in effective cleaning amounts: from about 55 to 80% by weight of water; from about 0.3 to about 5.0% by weight of EDTA; from about 10.0 to about 30.0% by weight of an amine compound wherein the amine compound is selected from the group consisting of a secondary amine, a tertiary amine, and mixtures thereof; from about 0.1 to about 5.0% by weight of a polyfunctional organic acid; from about 0.01 to about 8.0% by weight of a fluoride ion source; from about 0 to about 60% by weight of a water-miscible organic solvent; and from about 0 to about 15% by weight of a corrosion inhibitor.
Public/Granted literature
- US20170081622A1 Cleaning Formulations Public/Granted day:2017-03-23
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