Patent ID: 11910574
Assignee: ASIA VITAL COMPONENTS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  F  G | IPC F  H

Claim 0:
1. A heat dissipation unit comprising:
a main body including a first plate member and a second plate member closed to each other to together define an airtight chamber in between them;
a working fluid being filled in the airtight chamber;
a first wick structure layer; and
a holding-down member provided between the first and the second plate member in the airtight chamber and located above the first wick structure layer, such that the first wick structure is planarly and completely held down and flattened by the holding-down member to be completely and flatly attached to the second plate member, without sintering, diffusion bonding, or welding, wherein the holding-down member has a first side, an opposite second side, a plurality of perforations perpendicularly formed and extending between the first side with the second side, and a plurality of grooves formed on one or both of the first and second sides and connecting the perforations with each other, the holding-down member is a non-wick structure, and an upper side of the holding-down member is attached to the first plate member.