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.:

US 7199474 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 03, 2007

Filed:

Jul. 15, 2002
Applicants:

Keith Edward Buchanan, Trellech, GB;

Joon-chai Yeoh, Blackwood, GB;

Inventors:

Keith Edward Buchanan, Trellech, GB;

Joon-Chai Yeoh, Blackwood, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

This invention relates to a semiconductor structure for dual damascene processing and includes upper and lower low k dielectric layers formed in a stack when the upper surface of the lower layer has an integral etch stop layer formed by exposing the upper surfaces of the layer Hplasma without any prior anneal prior to the deposition of the upper layer.


Find Patent Forward Citations

Buchanan, Keith. (2007). Damascene structure with integral etch stop layer (U.S. Patent No. 7199474). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7199474

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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