Title:
WORKING GRINDSTONE
Document Type and Number:
Japanese Patent JP2019059020
Kind Code:
A
Abstract:
To perform working even a work-piece made of brittle material, stably and accurately in a ductile mode without causing any crack or split.SOLUTION: A rotational drive blade 26 (a working grindstone) for working a work-piece in a ductile mode is constituted of polycrystalline diamond that is a sintered coupling body of diamond single crystal particles. As a result, even a workpiece made of brittle material can be stably and accurately worked in the ductile mode without causing any crack or split.SELECTED DRAWING: Figure 2
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Inventors:
FUJITA TAKASHI
IZUMI YASUO
WATANABE JUNJI
IZUMI YASUO
WATANABE JUNJI
Application Number:
JP2018247115A
Publication Date:
April 18, 2019
Filing Date:
December 28, 2018
Export Citation:
Assignee:
TOKYO SEIMITSU CO LTD
SHIN NIHON TECH INC
WATANABE JUNJI
SHIN NIHON TECH INC
WATANABE JUNJI
International Classes:
B24D3/00; B24D5/00; H01L21/301
Domestic Patent References:
JPH09254042A | 1997-09-30 | |||
JP2002043254A | 2002-02-08 | |||
JPH10555A | 1998-01-06 | |||
JPH0529453A | 1993-02-05 | |||
JP2008540154A | 2008-11-20 | |||
JP2003011065A | 2003-01-15 | |||
JP2008229764A | 2008-10-02 | |||
JPH07136936A | 1995-05-30 |
Attorney, Agent or Firm:
Kenzo Matsuura
Kazuki Ohara
Kiyoshi Matsumura
Norimasa Matsuura
Kazuki Ohara
Kiyoshi Matsumura
Norimasa Matsuura