Title:
CERAMIC SINTERED COMPACT HAVING EMBOSSED SURFACE, METHOD FOR MANUFACTURING SAME, AND HEAT TREATMENT MEMBER COMPRISING SAID CERAMIC SINTERED COMPACT
Document Type and Number:
WIPO Patent Application WO/2020/179917
Kind Code:
A1
Abstract:
The present invention relates to a ceramic sintered compact having an embossed surface, to a method for manufacturing the same, and to a heat treatment member comprising the ceramic sintered compact. The present invention provides a ceramic sintered compact characterized by having, on the surface thereof, recesses and projections satisfying conditions (a) through (d): (a) the maximum height Ry of protruding parts of the recesses and projections is 30 µm or less; (b) the width of the protruding parts of the recesses and projections is 120 µm or less; (c) the difference between the maximum height and minimum height of the protruding parts of the recesses and projections is 15 µm or less; and (d) there are 30-200 protruding parts of the recesses and projections in an area of 1 mm2 of the surface.
Inventors:
HIRASHITA KOUJI (JP)
KUBO KEISUKE (JP)
NAKA HIRONORI (JP)
ONISHI HIROSHI (JP)
ASANO KAZUYUKI (JP)
KUBO KEISUKE (JP)
NAKA HIRONORI (JP)
ONISHI HIROSHI (JP)
ASANO KAZUYUKI (JP)
Application Number:
PCT/JP2020/009752
Publication Date:
September 10, 2020
Filing Date:
March 06, 2020
Export Citation:
Assignee:
NIKKATO CORP (JP)
International Classes:
C04B35/486; C04B35/043; C04B35/101; C04B35/185; C04B35/443; C04B35/64; F27D3/12
Domestic Patent References:
| WO2004026791A1 | 2004-04-01 |
Foreign References:
| JP2003300782A | 2003-10-21 | |||
| JP2005082429A | 2005-03-31 | |||
| JP2006256924A | 2006-09-28 | |||
| JPH09208330A | 1997-08-12 | |||
| JP2005008483A | 2005-01-13 | |||
| JPH09278517A | 1997-10-28 | |||
| JP2006225186A | 2006-08-31 | |||
| JP2013178053A | 2013-09-09 | |||
| JP2008106299A | 2008-05-08 | |||
| JP2008252089A | 2008-10-16 | |||
| JP2001114555A | 2001-04-24 | |||
| JPH01188459A | 1989-07-27 | |||
| JPS623069A | 1987-01-09 | |||
| JP2000302538A | 2000-10-31 | |||
| JP2004315293A | 2004-11-11 | |||
| JP2013178053A | 2013-09-09 | |||
| JP2003300782A | 2003-10-21 |
Attorney, Agent or Firm:
HIROTA, Masanori (JP)
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