The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 29, 2012
Filed:
Jan. 24, 2003
Satoshi Otsuka, Kawasaki, JP;
Shun-ichi Fukuyama, Kawasaki, JP;
Satoshi Otsuka, Kawasaki, JP;
Shun-ichi Fukuyama, Kawasaki, JP;
Fujitsu Semiconductor Limited, Yokohama-Shi, JP;
Abstract
To provide a semiconductor device having copper wiring layers and organic insulating resin layers with less separation and its manufacture method. A semiconductor device has: a semiconductor substrate formed with a number of semiconductor elements; a first interlayer insulating film formed above the semiconductor substrate and having a first wiring recess; a first copper wiring embedded in the first wiring recess; a second interlayer insulating film having a second wiring recess, the second interlayer insulating film including a copper diffusion preventing layer formed on the first copper wiring and the first interlayer insulating film, an oxide film formed on the copper diffusion preventing layer, and an organic insulating resin layer formed on the oxide film; and a second copper wiring embedded in the second wiring recess.