Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dongpeng Zhao0
Haijiang Fang0
Shanshan Ma0
Tongjian Niu0
Weifeng Du0
Date of Patent
July 5, 2022
0Patent Application Number
165436070
Date Filed
August 18, 2019
0Patent Citations Received
Patent Primary Examiner
A polycrystalline diamond compact including a cemented carbide substrate and a polycrystalline diamond layer bonded to the cemented carbide substrate. The polycrystalline diamond layer is nonplanar and includes a central part and a peripheral part surrounding the central part. The central part includes a protruding surface relative to the peripheral part. The protruding surface is spherical or planar. The peripheral part includes a plurality of radially-disposed ridges.
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