Dicing blade

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9701043
SERIAL NO

14397040

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An object of the present invention is to provide a dicing blade which does not cause cracking and breaking even in a workpiece formed from a brittle material, and can stably perform cutting process in a ductile mode on the workpiece with high precision. A dicing blade 26 which performs the cutting process on the workpiece is integrally formed of a diamond sintered body 80 which is formed by sintering diamond abrasive grains 82 so as to have a discoid shape, and a content of the diamond abrasive grains 82 of the diamond sintered body 80 is 80 vol % or more. It is preferable that recessed parts which are formed on a surface of the diamond sintered body 80 are continuously provided in an outer circumferential part of the dicing blade 26 along a circumferential direction.

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Patent Owner(s)

Patent OwnerAddress
TOKYO SEIMITSU CO LTDHACHIOJI-SHI TOKYO 192-8515

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujita, Takashi Hachioji, JP 383 4821
Izumi, Yasuo Osaka, JP 13 240
Watanabe, Junji Sakai, JP 165 3380

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