| 发明名称 |
Porous free standing pyrolytic boron nitride articles |
| 摘要 |
A sponge-like free-standing pyrolytic boron article is made by reacting ammonia and gaseous boron halide diluted with an non-oxidizing gas to deposit pyrolitic boron nitride on a porous substrate such as open-pored vitreous carbon under a vacuum and then removing the substrate as by oxidation.
|
| 申请公布号 |
US4402925(A) |
申请公布日期 |
1983.09.06 |
| 申请号 |
US19810306385 |
申请日期 |
1981.09.28 |
| 申请人 |
UNION CARBIDE CORPORATION |
发明人 |
SHINKO, JULIUS S.;KEYES, THOMAS C. |
| 分类号 |
C01B21/064;C04B35/583;C04B38/00;C23C16/01;(IPC1-7):C01B21/06 |
主分类号 |
C01B21/064 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
