Invention Grant
- Patent Title: Cleaning solution for a semiconductor wafer
- Patent Title (中): 半导体晶圆清洗液
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Application No.: US11914870Application Date: 2005-05-25
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Publication No.: US07939482B2Publication Date: 2011-05-10
- Inventor: Janos Farkas
- Applicant: Janos Farkas
- Applicant Address: US TX Austin
- Assignee: Freescale Semiconductor, Inc.
- Current Assignee: Freescale Semiconductor, Inc.
- Current Assignee Address: US TX Austin
- International Application: PCT/EP2005/006508 WO 20050525
- International Announcement: WO2006/125462 WO 20061130
- Main IPC: H01L21/306
- IPC: H01L21/306 ; C11D1/72

Abstract:
A cleaning solution for a semiconductor wafer comprises ammonia, hydrogen peroxide, a complexing agent and a block copolymer surfactant diluted in water. The cleaning solution can be used in single wafer cleaning tools to remove both particulate contaminants and metallic residues.
Public/Granted literature
- US20080221004A1 Cleaning Solution for a Semiconductor Wafer Public/Granted day:2008-09-11
Information query
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