Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Reexamination Certificate
2006-10-06
2009-02-03
Picardat, Kevin M (Department: 2822)
Semiconductor device manufacturing: process
Coating with electrically or thermally conductive material
To form ohmic contact to semiconductive material
C438S626000, C438S637000, C438S672000
Reexamination Certificate
active
07485566
ABSTRACT:
A method of manufacturing a semiconductor device is provided. The method includes: (A) forming an insulating film with a porous structure on a substrate; (B) forming a trench in the insulating film, the trench being used for forming an interconnection; (C) depositing a metal layer over the insulating film such that the trench is filled in with the metal layer; (D) forming the interconnection by removing an excess metal layer outside the trench; (E) modifying a surface of the insulating film to form a modified layer on the insulating film; and (F) forming a metal film selectively on the interconnection by using plating solution after the (E) modifying process.
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patent: 2006/0006530 (2006-01-01), Furusawa et al.
patent: 2006/0040490 (2006-02-01), Chen et al.
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Chinese Office Action dated Jan. 18, 2008 with English Translation.
Kawahara Naoyoshi
Ueno Kazuyoshi
McGinn IP Law Group PLLC
NEC Electronics Corporation
Picardat Kevin M
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