Invention Grant
- Patent Title: Semiconductor device, method for manufacturing semiconductor device, apparatus for manufacturing semiconductor device, and method for evaluating semiconductor device
- Patent Title (中): 半导体装置,半导体装置的制造方法,半导体装置的制造装置以及半导体装置的评价方法
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Application No.: US13163221Application Date: 2011-06-17
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Publication No.: US08410427B2Publication Date: 2013-04-02
- Inventor: Yasutaka Takeuchi
- Applicant: Yasutaka Takeuchi
- Applicant Address: JP Aichi-ken
- Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee Address: JP Aichi-ken
- Agency: Sughrue Mion, LLC
- Main IPC: H01J49/26
- IPC: H01J49/26

Abstract:
The present teachings provide a method for manufacturing a semiconductor device including a semiconductor substrate and a lower surface electrode in which an aluminum containing layer, a titanium layer, a nickel layer, and a nickel oxidation-prevention layer are laminated in order from a semiconductor substrate side, wherein the titanium layer of the lower electrode is formed by sputtering in an atmosphere of a partial pressure of oxygen being equal to or less than 5×10−6 Pa.
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