Diamond joined body and method for manufacturing diamond joined body

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12128482
APP PUB NO 20210237164A1
SERIAL NO

16972162

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Abstract

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A diamond joined body is a diamond joined body including a hard substrate and a polycrystalline diamond layer arranged on the hard substrate, wherein an area ratio of carbon grains in a region of the hard substrate is less than 0.03%, the region being a region enclosed by an interface between the hard substrate and the polycrystalline diamond layer and an imaginary line x in a cross section parallel to a normal direction of the interface, the imaginary line x being parallel to the interface on the hard substrate side and having a distance of 500 μm from the interface.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO ELECTRIC HARDMETAL CORP1-1 KOYAKITA 1-CHOME ITAMI-SHI HYOGO 664-0016

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwasaki, Hirotsugu Hyogo, JP 7 4
Li, Jinning Hyogo, JP 4 0
Yamaguchi, Tadashi Hyogo, JP 168 1697
Yurugi, Shinichiro Hyogo, JP 7 23

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