Abstract: A heat dissipation unit includes a main body having a first and a second plate member, which are closed to each other to together define an airtight chamber in between them. A working fluid is filled in the airtight chamber, and a first wick structure layer and a holding-down thin layer are provided between the first and the second plate member and superimposed in the airtight chamber. With the holding-down thin layer and the first wick structure layer being superimposed in the airtight chamber, the first wick structure layer is closely and flatly attached to the second plate member without warping.

Abstract: A vapor chamber structure includes a main body. The main body has a first section, a second section, a capillary structure and a working fluid. The first section has a first chamber. The second section has a second chamber. The second section extends from one end of the first section in a direction away from the first section. The capillary structure is disposed on inner surfaces of the first and second chambers. The working fluid is filled in the first and second chambers. The vapor chamber structure has both heat spreading effect and remote end heat dissipation effect.

Abstract: The present invention relates to a balance structure of a fan wheel, which comprises a hub and a plurality of blades disposed on the circumferential side of the hub. The hub has a top wall connected to a sidewall. An unbalanced portion for being removed is selectively disposed on the top wall or on the sidewall. The unbalanced portion is disposed on one side of a symmetrical axis of the hub. In this way, the weight of the fan wheel is balanced.

Abstract: A composite water-cooling radiator structure includes at least a cooling plate, a cooling chip unit and a vapor chamber. The cooling plate has a first upper surface and a first lower surface; a liquid flowing section, through which a first working liquid flows; and an inlet and an outlet communicating with the liquid flowing section. The cooling chip unit is located beneath the cooling plate and has a cold end and a hot end; and the cold end is in contact with the first lower surface of the cooling plate. The vapor chamber is located beneath the cooling chip unit and has a second upper surface and a second lower surface; and the second upper surface is in contact with the hot end of the cooling chip unit. With the superposed cooling plate, cooling chip unit and vapor chamber, the composite water-cooling radiator structure provides good heat dissipation effect.

Abstract: A middle member of heat dissipation device and the heat dissipation device. The middle member includes a middle member main body having a first face, a second face, multiple perforations and a channeled structure assembly. The channeled structure assembly is disposed on the first face or the second face. The perforations are formed through the middle member main body between the first and second faces. The channeled structure assembly and the perforations are arranged in alignment with each other or not in alignment with each other. The middle member and a first plate body and a second plate body are overlapped with each other to form the heat dissipation device. The complex structures disposed on the first and second faces of the middle member main body are able to achieve a stable vapor-liquid circulation effect.

Abstract: An attachment structure includes a main body and a first adhesive layer. The main body has an upper side as a first side and a lower side as a second side. The first adhesive layer is selectively disposed on one of the first and second sides. The first adhesive layer has multiple first passages. The first passages divide the first adhesive layer into multiple first adhesive blocks. By means of the first passages of the first adhesive layer, when the main body is attached to another unit, the main body can be more easily and tightly attached to the unit without producing any void or blister.

Abstract: A thin heat pipe structure includes a main body having a chamber. The chamber has a wick structure and a working fluid provided therein, and internally defines an evaporating section and at least one condensing section. The condensing section is extended towards at least one or two ends of the evaporating section. The wick structure is provided with at least one groove. The groove is extended through the wick structure along a thickness direction of the main body to connect to two opposite wall surfaces of the chamber, and also extended along a length direction of the main body to communicate with the condensing section and the evaporating section. With these arrangements, the thin heat pipe structure has an extremely small overall thickness and is flexible.

Abstract: An anti-press fan structure includes a fan frame and a fan impeller. The fan impeller has a support shaft supporting the fan impeller disposed in the fan frame. The support shaft has a protrusion section protruding from the fan frame to bear and connect with an external unit positioned above the fan impeller so as to keep an axial space between the fan impeller and the external unit. Accordingly, the fan impeller is prevented from being compressed by the external unit and the pressure applied to the fan frame is dispersed.

Abstract: A heat dissipation device includes a main body and at least one heat conduction member. The main body has a top face. A periphery of the top face has a connection section. One end of the heat conduction member is correspondingly in contact and connection with the top face or the connection section. By means of the structure design of the present invention, the horizontal heat dissipation effect is greatly enhanced and the heat dissipation effect of the entire heat dissipation device is greatly enhanced.

Abstract: A water cooling module includes a flow-guiding main body and a pump set. The flow-guiding main body includes a first inlet, a first outlet and a flow-guiding passage set. The flow-guiding passage set includes a plurality of flow-guiding passages, and the first inlet and the first outlet are respectively communicable with one of the flow-guiding passages. The pump set includes a first pump having a first water inlet and a first water outlet, and a second pump having a second water inlet and a second water outlet. The first water inlet and the first water outlet are respectively communicable with one of the flow-guiding passages; the second water inlet and the second water outlet are also respectively communicable with one of the flow-guiding passages.

Abstract: A method of manufacturing a heat dissipation device is disclosed. The heat dissipation device manufactured with the method includes two titanium metal sheets, which are subjected to a heat treatment before undergoing mechanical processing, plastic working and surface modification. With these arrangements, the titanium metal sheets can be freely plastically deformed and possess a capillary force, and can therefore be used in place of the conventional copper material to serve as a material for making heat dissipation devices, and the heat dissipation devices so produced can have largely reduced weight and largely improved heat dissipation performance.

Abstract: A fan backflow prevention structure includes a frame body, a first static blade assembly and a second static blade assembly. The frame body has a peripheral wall. Two end edges of the peripheral wall are respectively formed as an air inlet and as an air outlet. A base seat is correspondingly disposed at the air outlet. The first static blade assembly extends outward from the base seat and includes multiple static blade sections. Two ends of each static blade section are respectively connected with the base seat and the peripheral wall. The second static blade assembly is disposed at the air outlet and rotatably coupled to the base seat. The second static blade assembly has a connecting section and multiple stop sections extending outward from the connecting section.

Abstract: A manufacturing method of heat dissipation unit is disclosed. The heat dissipation unit is mainly composed of two titanium metal plate bodies. The titanium metal plate bodies are heat-treated, whereby the titanium metal plate bodies can be mechanical processed, shaped and surface-modified. Accordingly, the titanium metal can be freely shaped and provide capillary attraction. In this case, the titanium metal plate bodies can be used as the material of the heat dissipation unit instead of the conventional copper plate bodies to greatly reduce the weight and enhance the heat dissipation performance.

Abstract: A jig structure for manufacturing heat dissipation unit includes a main body, which internally defines a chamber and has a top forming an upper side thereof. The top defines at least one opening, on which at least one silicon dioxide layer is provided. The chamber is in a vacuum-tight state or maintains a positive pressure inert gas atmosphere therein. The jig structure for manufacturing heat dissipation unit can be used with a laser machining tool to provide a better environment and increased flexibility for laser machining or laser welding in manufacturing a heat dissipation unit.

Abstract: A heat dissipation component is disclosed. The heat dissipation component has a main body. The main body has a first metal plate body and a second metal plate body. The first and second metal plate bodies together define a chamber. A capillary structure layer is disposed in the chamber and a working fluid is filled in the chamber. An outer periphery of the chamber of the main body has a flange section. The flange section has a sintered welding section. The sintered welding section is perpendicularly connected with the first and second metal plate bodies. Such that, the connection and sealing of the welded first and second metal plate bodies can be enhanced.

Abstract: An image capturing device includes a circuit board, an image capturing module, a light source module disposed on the circuit board and a connection body disposed above the light source module. The image capturing module has a first lens set and a second lens set disposed on the circuit board. The connection body has a first connection section having a first open end and a second open end. The first open end of the first connection section abuts against the light-emitting component or the upper side of the circuit board in adjacency to the light-emitting component. The first and second open ends together define a first light passage. The light-emitting component is positioned in the first light passage. The image capturing device can effectively avoid light leakage of the image.

Abstract: A fan wheel structure includes a hub provided with a plate member and a plurality of blades. The plate member is located around the hub and has an upper side and a lower side. The blades are arranged on the upper side of the plate member and respectively have a connecting end connected to the hub as well as a free end. The blades respectively include a backward-curved section, a middle section and a forward-curved section. The backward-curved section is located adjacent to the connecting end and connected to the upper side of the plate member; the forward-curved section is located adjacent to the free end; and the middle section is connected at two opposite ends to the backward-curved section and the forward-curved section. And, an air passage is formed on the upper side of the plate member between any two adjacent backward-curved sections.