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Patent Searching and Data


Title:
HARD COATING, AND CUTTING TOOL EMPLOYING SAME
Document Type and Number:
WIPO Patent Application WO/2023/210606
Kind Code:
A1
Abstract:
The present invention achieves a hard coating, etc., exhibiting stable, high performance under a wide range of processing conditions. A hard coating (12) has a structure obtained by alternately laminating A layers (A1 to An) comprising AlxCr1-xN and B layers (B1 to Bn) comprising Ti1-ySinN, wherein, if a combination of one set of the A layer and the B layer, laminated alternately, is defined as a C layer (C1 to Cn), a thickness of the C layer is at least equal to 7 nm and at most equal to 18 nm, the total thickness of the C layers is at least equal to 1 μm and at most equal to 6 μm, and thicknesses of the A layer and the B layer are each less than 10 nm. (Here, x is at least equal to 0.6 and at most equal to 0.7, and y is greater than 0.05 and less than 0.08.)

Inventors:
SETOYAMA MAKOTO (JP)
TAKAHATA TOSHIHIKO (JP)
MORIGUCHI HIDEKI (JP)
Application Number:
PCT/JP2023/016190
Publication Date:
November 02, 2023
Filing Date:
April 25, 2023
Export Citation:
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Assignee:
NIPPON ITF INC (JP)
International Classes:
B23B27/14; B23F1/00; C23C14/14; C23C14/16; C23C14/24
Domestic Patent References:
WO2012005275A12012-01-12
Foreign References:
JP2008188689A2008-08-21
JP2015123530A2015-07-06
JP2018521862A2018-08-09
CN104131256A2014-11-05
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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