Invention Grant
- Patent Title: Mask plate design
- Patent Title (中): 面膜设计
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Application No.: US09960236Application Date: 2001-09-20
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Publication No.: US07201829B2Publication Date: 2007-04-10
- Inventor: Bulent M. Basol , Cyprian Uzoh , Jeff A. Bogart
- Applicant: Bulent M. Basol , Cyprian Uzoh , Jeff A. Bogart
- Applicant Address: US CA San Jose
- Assignee: Novellus Systems, Inc.
- Current Assignee: Novellus Systems, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Knobbe Martens Olson & Bear
- Main IPC: C25F3/16
- IPC: C25F3/16 ; C25F5/00 ; C25D17/00

Abstract:
The present invention includes a mask plate design that includes at least one or a plurality of channels portions on a surface of the mask plate, into which electrolyte solution will accumulate when the mask plate surface is disposed on a surface of wafer, and out of which the electrolyte solution will freely flow. There are also at least one or a plurality of polish portions on the mask plate surface that allow for polishing of the wafer when the mask plate surface is disposed on a surface of wafer.
Public/Granted literature
- US20020121445A1 Mask plate design Public/Granted day:2002-09-05
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