Heat dissipation device

A heat dissipation device, comprising:

• a housing having a housing chamber and at least one opening;
• the housing chamber having a working fluid and a housing wick structure forming on an inner surface of the housing chamber;
• and the opening is extended through a top side of the housing and communicated with the housing chamber;
• a heat pipe having a heat pipe wall, a closed end, and an open end;
• the heat pipe wall having an outer and an inner side;
• an extended portion in which the heat pipe wall is partially cut away as a notch being integrally extended from the open end, the inner side of the heat pipe wall internally defining a heat pipe chamber communicated with the open end, and a heat pipe wick structure formed on the inner side of the heat pipe wall;
• and
• the open end of the heat pipe being inserted into the opening of the housing, and the extended portion of the open end of the heat pipe being connected to a bottom side of the housing chamber with an upper edge of the notch being flush with the upper wick structure of the housing and a vertical edge of the notch perpendicular to the top upper edge of the notch and forming a housing support;
• the heat pipe chamber being connected to the housing chamber via the open end of the heat pipe, and the heat pipe wick structure being in contact with the housing wick structure.