Hard-coated member, and its production method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8304098
APP PUB NO 20100215912A1
SERIAL NO

12682535

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Calculated Rating
US Family Size
Non-US Coverage
Patent Longevity
Forward Citations

Abstract

See full text

The hard-coated member of the present invention having a compression-stress-loaded hard coating having a thickness of 5 μm or more, the hard coating having a face-centered cubic structure having a composition represented by (Me1-aXa)α(N1-x-yCxOy), wherein Me is at least one element selected from Groups 4a, 5a and 6a, X is at least one element selected from the group consisting of Al, Si, B and S, a, x and y are respectively the contents (atomic ratios) of X, C and O, and α is a ratio of (Me1-aXa) to (N1-x-yCxOy), meeting 0.1≦a≦0.65, 0≦x≦0.1, 0≦y≦0.1, and 0.85≦α≦1.25; and the X-ray diffraction of the hard coating having a peak intensity Ir of a (111) plane, a peak intensity Is of a (200) plane, and a peak intensity It of a (220) plane, meeting 2≦Is/Ir, and 0.2≦It/Ir≦1, and the (200) plane having a half-value W(°)≦0.7.

First Claim

See full text

Other Claims data not available

Family

Patent Owner(s)

  • HITACHI TOOL ENGINEERING, LTD.

International Classification(s)

loading....
  • 2007 Application Filing Year
  • B23B Class
  • 434 Applications Filed
  • 279 Patents Issued To-Date
  • 64.29 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20072008200920102011201220132014201520162017201820190255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kubota, Kazuyuki Narita, JP 65 403
Ohnuma, Hitoshi Narita, JP 2 24

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 6 Citation Count
  • B23B Class
  • 5.62 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges252998223123101 - 1011 - 2021 - 3031 - 4041 - 5061 - 70020406080100120140160180200220240260280300320

Forward Cite Landscape

Load Citation