Invention Grant
- Patent Title: Indenter made of polycrystalline diamond, and method and apparatus using the same for evaluating crack initiation load
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Application No.: US16306079Application Date: 2018-03-29
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Publication No.: US11041791B2Publication Date: 2021-06-22
- Inventor: Kensei Hamaki , Katsuko Yamamoto , Hitoshi Sumiya , Yuh Ishida
- 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: Baker Botts L.L.P.
- Agent Michael A. Sartori
- Priority: JPJP2017-155352 20170810
- International Application: PCT/JP2018/013291 WO 20180329
- International Announcement: WO2019/030970 WO 20190214
- Main IPC: G01N3/40
- IPC: G01N3/40 ; G01N3/42 ; C01B32/26 ; C04B35/52 ; C04B35/645
Abstract:
An indenter is made of polycrystalline diamond and has a tip having a spherical surface with a radius of 10 to 2000 μm.
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