Invention Grant
- Patent Title: Composite polycrystal
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Application No.: US15534859Application Date: 2016-10-07
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Publication No.: US10399149B2Publication Date: 2019-09-03
- Inventor: Hitoshi Sumiya , Takeshi Sato
- Applicant: Sumitomo Electric Industries, Ltd.
- Applicant Address: JP Osaka-shi
- Assignee: Sumitomo Electric Industries, Ltd.
- Current Assignee: Sumitomo Electric Industries, Ltd.
- Current Assignee Address: JP Osaka-shi
- Agency: Baker Botts L.L.P.
- Agent Michael A. Sartori
- Priority: JP2015-214041 20151030
- International Application: PCT/JP2016/079917 WO 20161007
- International Announcement: WO2017/073293 WO 20170504
- Main IPC: B23B27/20
- IPC: B23B27/20 ; C04B35/52 ; C04B35/64 ; C04B35/626 ; C04B35/645 ; B24D18/00
Abstract:
A composite polycrystal contains polycrystalline diamond formed of diamond grains that are directly bonded mutually, and non-diamond carbon dispersed in the polycrystalline diamond, and has a concentration of contained hydrogen of greater than 1000 ppm and less than or equal to 20000 ppm.
Public/Granted literature
- US20170333998A1 COMPOSITE POLYCRYSTAL Public/Granted day:2017-11-23
Information query
