Process for preparing laser knife

DETAILED DESCRIPTION The present invention has been made in order to solve the above-mentioned problems.
Specifically, an object of the present invention is to provide a process for preparing a laser knife which has excellent durability and can stably generate the heat.
In accordance with the present invention, there is provided a process for preparing a laser knife comprising successively coating the surface of a probe portion of a laser knife with a carbon coating and a protective coating in that order by either a sputtering method or an ion plating method.
In the present invention, the probe portion of a laser knife is first coated with carbon by either a sputtering method or an ion plating method.
Thereafter, the carbon coating thus formed is coated with a protective material by either a sputtering method or an ion plating method.
The foregoing and other objects and features of the present invention will be apparent from the following description taken in connection with the accompanying drawings.