Invention Grant
- Patent Title: Metal resistors having varying resistivity
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Application No.: US15914106Application Date: 2018-03-07
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Publication No.: US10249702B2Publication Date: 2019-04-02
- Inventor: Daniel C. Edelstein , Chih-Chao Yang
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Scully, Scott, Murphy & Presser, P.C.
- Agent Steven J. Meyers
- Main IPC: H01L49/02
- IPC: H01L49/02 ; H01L21/02 ; H01L23/522 ; H01L27/01 ; H01L21/62

Abstract:
A semiconductor structure is provided that includes a first metal resistor structure located on a portion of a dielectric-containing substrate. The first metal resistor structure includes, from bottom to top, a first nitridized dielectric surface layer portion having a first nitrogen content, a first metal portion, and a first dielectric capping layer portion. The semiconductor structure of the present application further includes a second metal resistor structure located on a second portion of the dielectric-containing substrate and spaced apart from the first metal resistor structure. The second metal resistor structure includes, from bottom to top, a second nitridized dielectric surface layer portion having a second nitrogen content that differs from the first nitrogen content, a second metal portion, and a second dielectric capping layer portion.
Public/Granted literature
- US20180197941A1 METAL RESISTORS HAVING VARYING RESISTIVITY Public/Granted day:2018-07-12
Information query
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