Semiconductor device manufacturing: process – Formation of electrically isolated lateral semiconductive... – Grooved and refilled with deposited dielectric material
Reexamination Certificate
2007-06-22
2011-11-22
Garber, Charles (Department: 2812)
Semiconductor device manufacturing: process
Formation of electrically isolated lateral semiconductive...
Grooved and refilled with deposited dielectric material
Reexamination Certificate
active
08062955
ABSTRACT:
A CoWB film is formed as a cap metal on a Cu interconnection line formed on a substrate or wafer W, by repeating a plating step and a post-cleaning step a plurality of times. The plating step is arranged to apply electroless plating containing CoWB onto the Cu interconnection line. The post-cleaning step is arranged to clean the wafer W by use of a cleaning liquid, after the plating step.
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Hara Kenichi
Iwashita Mitsuaki
Tanaka Takashi
Garber Charles
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Stevenson André
Tokyo Electron Limited
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