| 摘要 |
The present invention relates to a manufacturing method of a needle for treating skin, comprising the following steps: pretreating a base material; adhering films on the base material; exposing the films in order that a plurality of needle shapes are formed on the films; developing the films; etching the base material in order that needle materials corresponding to the needle shapes exposed on the films are formed; and removing the films from the needle materials, thereby improving needle manufacturing productivity. |
