| 摘要 |
A device for laser treatment, which comprises a body and a cylindrical sleeve placed therein on its axis with possibility of rotation, eccentrically mounted in the sleeve on the common axis: a lens focusing laser radiation and a conic nozzle, a sleeve drive, a cup-shaped casing attached to the body with central covering the output end of the nozzle with a gap, hole at the bottom, as well as a pipe for supplying process gas into a casing, which is characterized in that it is equipped with a sealing washer, which is adjacent to the inner surface of the bottom of casing and outer surface of the nozzle, and closes the gap between them. |
