Invention Grant
- Patent Title: Cutting tool
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Application No.: US18033356Application Date: 2022-09-22
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Publication No.: US12138692B2Publication Date: 2024-11-12
- Inventor: Haruyo Fukui , Nozomi Tsukihara , Anongsack Paseuth , Toshihiro Tabata
- Applicant: Sumitomo Electric Industries, Ltd.
- Applicant Address: JP Osaka
- Assignee: Sumitomo Electric Industries, Ltd.
- Current Assignee: Sumitomo Electric Industries, Ltd.
- Current Assignee Address: JP Osaka
- Agency: XSENSUS LLP
- International Application: PCT/JP2022/035451 WO 20220922
- International Announcement: WO2024/062612 WO 20240328
- Main IPC: C23C14/06
- IPC: C23C14/06 ; B23B27/14 ; C23C14/34

Abstract:
A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of Ti1-a-bAlaCebN, a is 0.350 or more and 0.650 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of AlcV1-cN, c is 0.40 or more and 0.75 or less, and a and c satisfy a relationship of c>a.
Public/Granted literature
- US20240100606A1 CUTTING TOOL Public/Granted day:2024-03-28
Information query
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