Claims
- 1. A diamond crystal comprising a tabular diamond crystal formed on a substrate by gas phase synthesis, wherein the diamond crystal has a ratio of thickness to width of from 1:4 to 1:1,000 and the surface of the substrate on which the diamond crystal has been formed and the top surface of the diamond crystal are at an angle ranging from 0.degree. to 10.degree..
- 2. The diamond crystal according to claim 1, wherein a top surface of the tabular diamond crystal has a {111} plane having a trigonal or hexagonal morphology.
- 3. The diamond crystal according to claim 1, wherein a top surface of the tabular diamond crystal has a {100} plane having a tetragonal or octagonal morphology.
- 4. The diamond crystal according to claim 1, wherein a side of the tabular diamond is a {111} plane.
- 5. The diamond crystal according to claim 1, wherein a side of the tabular diamond crystal is a {100} plane.
Priority Claims (1)
Number |
Date |
Country |
Kind |
4-068680 |
Mar 1992 |
JPX |
|
Parent Case Info
This application is a division of application Ser. No. 08/297,901 filed Aug. 29, 1994 now 5,445,851 which is a continuation of application Ser. No. 08/035,624 filed Mar. 23, 1993, now abandoned.
US Referenced Citations (7)
Number |
Name |
Date |
Kind |
4932331 |
Kurihara et al. |
Jun 1990 |
|
4935303 |
Ikoma et al. |
Jun 1990 |
|
4938940 |
Hirose et al. |
Jul 1990 |
|
5026415 |
Yamamoto et al. |
Jun 1991 |
|
5135730 |
Suzuki et al. |
Aug 1992 |
|
5202156 |
Yamamoto et al. |
Apr 1993 |
|
5202571 |
Hirabayashi et al. |
Apr 1993 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
230697 |
Feb 1990 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
297901 |
Aug 1994 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
35624 |
Mar 1993 |
|