Title:
SYNTHETIC SINGLE CRYSTAL DIAMOND AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2022/004149
Kind Code:
A1
Abstract:
A synthetic single crystal diamond containing 100-1500 ppm inclusive of nitrogen atoms, said synthetic single crystal diamond containing an aggregate consisting of a single pore and one of two to four nitrogen atoms existing adjacent to the pore, wherein the ratio b/a [wherein a stands for the length of the longer diagonal line and b stands for the length of the shorter diagonal line between the diagonal lines of a Knoop indentation along the direction <110> in the plane {001} of the synthetic single crystal diamond] is 0.08 or less, said Knoop indentation having been formed by measuring the Knoop hardness along the direction <100> in the plane {001} of the synthetic single crystal diamond in accordance with JIS Z 2251:2009 at a temperature of 23°C±5°C under a test load of 4.9 N.
More Like This:
| WO/2008/013108 | PROCESS FOR PRODUCING SINGLE-CRYSTAL SUBSTRATE WITH OFF ANGLE |
| JPH05269608 | TOOL INSERT |
| JP2003106743 | GLASS TUBE HEATER FOR DEFROSTING IN REFRIGERATOR |
Inventors:
SUMIYA HITOSHI (JP)
LEE JIN HWA (JP)
TERAMOTO MINORI (JP)
LEE JIN HWA (JP)
TERAMOTO MINORI (JP)
Application Number:
PCT/JP2021/018371
Publication Date:
January 06, 2022
Filing Date:
May 14, 2021
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
C30B29/04; B01J3/06; C01B32/26; C30B9/10; C30B33/04
Domestic Patent References:
| WO2019077844A1 | 2019-04-25 | |||
| WO2019077888A1 | 2019-04-25 |
Foreign References:
| JPH0288498A | 1990-03-28 | |||
| JPH0218980A | 1990-01-23 | |||
| JP2020113054A | 2020-07-27 |
Other References:
See also references of EP 4174223A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
Download PDF:
Previous Patent: SEPARATOR FOR BATTERIES
Next Patent: SYNTHETIC SINGLE-CRYSTAL DIAMOND AND MANUFACTURING METHOD THEREOF
Next Patent: SYNTHETIC SINGLE-CRYSTAL DIAMOND AND MANUFACTURING METHOD THEREOF