Heat dissipation device

A heat dissipation device configured for a working fluid to flow therethrough, said heat dissipation device comprising:

• a base having at least one internal channel configured for the working fluid to flow therethrough;
• at least one heat dissipation fin having an extension channel and an inlet and an outlet in fluid communication with the extension channel, wherein the at least one heat dissipation fin is inserted into one side of the base, and the extension channel is in fluid communication with the at least one internal channel and the outlet through the inlet,
• wherein the at least one internal channel has an inlet part, an outlet part, a first channel part, a second channel part, a third channel part, a fourth channel part, a fifth channel part, a sixth channel part and a plurality of connecting parts, the inlet part and the outlet part are respectively in fluid communication with the inlet and the outlet of the extension channel, the first channel part is in fluid communication with the inlet part, the second channel part is in fluid communication with the first channel part, the third channel part is in fluid communication with the second channel part, the fourth channel part is in fluid communication with the third channel part via the plurality of connecting parts, the fifth channel part is in fluid communication with the fourth channel part, the sixth channel part is in fluid communication with the fifth channel part and the outlet part.