Title:
COATING TOOL
Document Type and Number:
WIPO Patent Application WO/2021/193676
Kind Code:
A1
Abstract:
An example of a coating tool according to the present disclosure, which is not limited to the present disclosure, includes a substrate and a coating layer located on the substrate. The coating layer includes a first coating layer having a first layer containing Al2O3 particles and a second layer located on the first layer. The second layer includes a first film, a second film in contact with the first film, and a third film in contact with the second film, in order from the substrate side. The first film, the second film, and the third film each contain Ti. The first film, the second film, and the third film each contain at least one selected from C and N. When a N content contained in the first film is the first N amount, a N content contained in the second film is the second N amount, and a N content contained in the third film is the third N amount, a relationship of first N amount>third N amount>second N amount is satisfied.
Inventors:
SUGAWA YUUSAKU (JP)
KUBO HAYATO (JP)
KUMAI KENJI (JP)
KINJO HIROYUKI (JP)
KUBO HAYATO (JP)
KUMAI KENJI (JP)
KINJO HIROYUKI (JP)
Application Number:
PCT/JP2021/012104
Publication Date:
September 30, 2021
Filing Date:
March 24, 2021
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/14; C23C16/30
Domestic Patent References:
| WO2000079022A1 | 2000-12-28 |
Foreign References:
| JP2009255234A | 2009-11-05 | |||
| JP2009078309A | 2009-04-16 | |||
| JP2006021316A | 2006-01-26 |
Attorney, Agent or Firm:
BUNA PATENT ATTORNEYS (JP)
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