Patent ID: 8997840
Filing Date: 2015-04-07
Classification: B05D,F28D,F28F,H01L

Abstract:
1. A heat-dissipating unit having a hydrophilic compound film, including a metallic body having a chamber and a working fluid, the chamber having: an evaporating portion provided in the chamber, the evaporating portion having a condensing portion provided in the chamber opposite to the evaporating portion, the condensing portion having a plurality of second liquid-guiding portions therein, the second liquid-guiding portions being constituted of a plurality of elongate second liquid-guiding bodies arranged at intervals, at least one second channel being formed between the second liquid-guiding portions; a connecting portion provided between the evaporating portion and the condensing portion, the connecting portion having at least one first communication hole set and at least one second communication hole set, the first communication hole set and the second communication hole set being in communication with the evaporating portion and the condensing portion, the evaporating portion, the condensing portion and the connecting portion defining a liquid-guiding structure; and a hydrophilic compound film coated on the evaporating portion, the condensing portion, the connecting portion and a surface of the chamber.