| 摘要 |
PURPOSE: A door frame for a clean room is provided to maintain a clean room in clean conditions by preventing dust or foreign materials from piling up on frame. CONSTITUTION: A door frame for a clean room comprises a wall(10), a door, a frame(30), and a cover(40). The frame comprises a frame body(31) and a joint(32). The frame body covers the end of the wall. The joint covers the outer surface of the wall on one side of the frame body. The cover is coupled with the joint. The cover prevents the exposure of a screw fastened with the wall. |
