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Wiring paterns formed by selective metal plating
   
Document Number
US Patent 7521808
Issued Date
April 21, 2009
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Abstract
Conductive sidewall spacer structures are formed using a method that patterns structures (mandrels) and activates the sidewalls of the structures. Metal ions are attached to the sidewalls of the structures and these metal ions are reduced to form seed material. The structures are then trimmed and the seed material is plated to form wiring on the sidewalls of the structures.
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Number of Claims:
15
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Published
April 21, 2009
Application Number
11/745,610
Filed
May 8, 2007
US Classification
257/774   438/618
Int'l Classification
H01L   23/48   (20060101)  
Examiner
Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a division of U.S. application Ser. No. 10/905,590 filed Jan. 12, 2005 now U.S. Pat. No. 7,345,370.
USPTO Field of Search
257/774   257/E21.641  
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