Dental drill bit having disordered, wear resistant boron carbon external coating
US4708653A · kind A · utility
7Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1986 |
| Grant date | Nov 24, 1987 |
| Priority date | — |
| Expiry date | Sep 17, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C30/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A wear resistant dental burr coating is provided. The wear resistant coating comprises an external layer of disordered boron and carbon applied to the dental burr. In accordance with one embodiment, the disordered boron and carbon external coating is of a composition B.sub.x C.sub.1-x where x is from about 0.60 to about 0.90.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.