Invention Grant
- Patent Title: Method for polishing a semiconductor wafer
- Patent Title (中): 抛光半导体晶片的方法
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Application No.: US12907062Application Date: 2010-10-19
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Publication No.: US08500516B2Publication Date: 2013-08-06
- Inventor: Juergen Schwandner
- Applicant: Juergen Schwandner
- Applicant Address: DE Munich
- Assignee: Siltronic AG
- Current Assignee: Siltronic AG
- Current Assignee Address: DE Munich
- Agency: Leydig, Voit & Mayer, Ltd.
- Priority: DE102009052744 20091111
- Main IPC: B24B1/00
- IPC: B24B1/00

Abstract:
A method for polishing a semiconductor wafer having a first side and a second side, the method includes polishing the first side using a Fixed Abrasive Polishing (FAP) with a polishing pad including fixedly bonded abrasives having an average particle size of 0.1-1.0 μm; applying a cement layer with a thickness of at most 3 μm to the polished first side; fixing the polished and cemented first side on a carrier plate of a polishing machine; and polishing the second side using a single-side chemical mechanical polishing.
Public/Granted literature
- US20110111677A1 METHOD FOR POLISHING A SEMICONDUCTOR WAFER Public/Granted day:2011-05-12
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