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:
Oct. 26, 2021
Filed:
Feb. 04, 2020
International Business Machines Corporation, Armonk, NY (US);
Joseph F. Maniscalco, Lake Katrine, NY (US);
Koichi Motoyama, Clifton Park, NY (US);
Oscar van der Straten, Guilderland Center, NY (US);
Scott A. DeVries, Albany, NY (US);
Alexander Reznicek, Troy, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
An interconnect structure, and a method for forming the same includes forming recess within a dielectric layer and conformally depositing a barrier layer within the recess. A cobalt-infused ruthenium liner is formed above the barrier layer, the cobalt containing ruthenium liner formed by stacking a second liner above a first liner, the first liner positioned above the barrier layer. The first liner includes ruthenium while the second liner includes cobalt. Cobalt atoms migrate from the second liner to the first liner forming the cobalt-infused ruthenium liner. A conductive material is deposited above the cobalt-infused ruthenium liner to fill the recess followed by a capping layer made of cobalt.