Invention Grant
- Patent Title: Technique for filling high aspect ratio, narrow structures with multiple metal layers and associated configurations
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Application No.: US15328473Application Date: 2014-08-29
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Publication No.: US09972541B2Publication Date: 2018-05-15
- Inventor: Joseph M. Steigerwald , Nick Lindert
- Applicant: Intel Corporation
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Schwabe, Williamson & Wyatt, P.C.
- International Application: PCT/US2014/053535 WO 20140829
- International Announcement: WO2016/032528 WO 20160303
- Main IPC: H01L21/8234
- IPC: H01L21/8234 ; H01L27/088 ; H01L29/417 ; H01L29/78 ; H01L21/304 ; H01L21/308 ; H01L23/535 ; H01L29/66

Abstract:
Embodiments of the present disclosure describe techniques for filling a high aspect ratio, narrow structure with multiple metal layers and associated configurations. In one embodiment, an apparatus includes a transistor structure comprising a semiconductor material, a dielectric material having a recess defined over the transistor structure, the recess having a height in a first direction, an electrode terminal disposed in the recess and coupled with the transistor structure, wherein a first portion of the electrode terminal comprises a first metal in direct contact with the transistor structure and a second portion of the electrode terminal comprises a second metal disposed on the first portion and wherein an interface between the first portion and the second portion is planar and extends across the recess in a second direction that is substantially perpendicular to the first direction. Other embodiments may be described and/or claimed.
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