| 主权项 |
1. A radial backflow wick structure of slim-type heat pipe, comprising:
a tube, being hollow and flat; and a wick structure, longitudinally disposed in the tube, having an attachment side attached on a local portion of an inner side of the tube and a formation side opposite to the attachment side, wherein the wick structure is superposed on the grooves, and a vapor passage formed between the formation side and the inner side of the tube; wherein the wick structure is provided with grooves radially around the inner side of the tube, the attachment side is attached on the grooves, and depth of the groove is less than 30% of thickness of a wall of the tube. |
