This heat dissipation structure includes: a circuit board; an integrated circuit mounted thereon; a first thermal pad disposed on the surface of the integrated circuit; a heat sink having a first surface that applies pressure to the first thermal pad by sandwiching the first thermal pad together with the surface of the integrated circuit and a second surface facing the first surface; a second thermal pad disposed on the second surface; a heat dissipation casing having a surface that applies pressure to the second thermal pad by sandwiching the second thermal pad together with the second surface; and stud components for pulling up the heat sink from the heat dissipation casing side together with the circuit board such that the second thermal pad is sandwiched and pressurized between the heat dissipation casing and the heat sink.

A heat sink includes a heat conduction portion and a heat dissipation portion. The heat conduction portion is a flat plate with two main surfaces parallel with each other and a plurality of side surfaces. One of the two main surfaces is a contacting surface contacting a heat source. The heat dissipation portion is extended outward from at least one of the plurality of side surfaces of the heat conduction portion. The heat dissipation portion includes a plurality of first branches and a plurality of second branches. Each of the first branches is a flat plate and has two opposite main surfaces and four side surfaces. The two opposite main surfaces of each of the first branches are parallel to the two main surfaces of the heat conduction portion. The second branches are extended from the first branches and parallel to the heat conduction portion.

Systems, devices and methods of manufacturing a system on silicon wafer (SoSW) device and package are described herein. A plurality of functional dies is formed in a silicon wafer. Different sets of masks are used to form different types of the functional dies in the silicon wafer. A first redistribution structure is formed over the silicon wafer and provides local interconnects between adjacent dies of the same type and/or of different types. A second redistribution structure may be formed over the first redistribution layer and provides semi-global and/or global interconnects between non-adjacent dies of the same type and/or of different types. An optional backside redistribution structure may be formed over a second side of the silicon wafer opposite the first redistribution layer. The optional backside redistribution structure may provide backside interconnects between functional dies of different types.

A water-cooling heat dissipation device includes a water cooling head, a delivering structure, a water-cooling radiator, and a water pump. The water-cooling head includes a chamber. The delivering structure is disposed on the water-cooling head and includes a water delivery column. The water delivery column includes a first and a second water passages. The first and second water passages are connected to the chamber. Multiple first and second slot holes are disposed on the first and second water passages respectively. The water-cooling radiator includes multiple tubes. A window is formed in the water-cooling radiator by splitting each tube. The water delivery column inserts in the window. Each first and second slot holes are welded to the nozzles of the tubes. Therefore, the problem of water leakage may be solved effectively.

Various heatsink arrangements, and methods for implementing and using such are discussed.

Provided is a power conversion device, including: a semiconductor module including a semiconductor switching element; a heat sink configured to cool the semiconductor module; a spring member configured to press the semiconductor module onto the heat sink; a casing configured to accommodate the semiconductor module and the spring member; and a bridge-like structure configured to press the semiconductor module onto the heat sink through intermediation of the spring member when the casing is mounted to the heat sink.

The disclosed apparatus may include (1) a shoulder bolt that includes (A) a head and (B) a shank, (2) a retention barrel that envelops at least a portion of the shank of the shoulder bolt, (3) a coil spring that envelops at least a portion of the shank of the shoulder bolt and resides between the head of the shoulder bolt and a heatsink, and (4) a travel-limiting component (such as a set screw or a sleeve) that (A) is coupled to the retention barrel and (B) limits the heatsink from travelling linearly beyond a travel threshold via the coil spring. Various other apparatuses, systems, and methods are also disclosed.

Provided is a semiconductor module including semiconductor devices and a cooling apparatus, wherein the semiconductor device has semiconductor chips and a circuit board with the semiconductor chips implemented thereon; the cooling apparatus has a top plate, a side wall, a bottom plate, a coolant flow portion, an inlet, an outlet and a plurality of fins; the top plate and the bottom plate have three through holes that are through holes for inserting fastening members that fasten the semiconductor module to an external apparatus, penetrating the top plate and the bottom plate in one direction respectively; and a geometric center of gravity of a aperture of at least one of the inlet and the outlet may also be positioned inside a virtual triangle with the three through holes being vertexes in planar view.

A package includes a die having a first side and a second side opposite to each other. The package also includes an encapsulating material surrounding the die. The package further includes a redistribution layer (RDL) structure disposed over the first side of the die and the encapsulating material. The package yet includes a heat dissipating feature disposed over the second side of the die and the encapsulating material. In addition, the package includes a first screw assembly penetrating through the die, the RDL structure and the heat dissipating feature.

A heat sink includes a threaded rod. The threaded rod includes a first portion and a second portion. The first portion may engage with a first heat sink fin and a second portion may engage with a second heat sink fin. The first portion includes a first external thread of a first diameter. The second portion includes a second external thread also of the first diameter and of different pitch than the first external thread. For example, the pitch of a first knurl of the threaded rod may be smaller than the pitch of a second threaded knurl of the threaded rod. The spacing of the heat sink fins may be adjusted based upon the current operating conditions of the electronic device to maintain an optimal temperature of a heat generating device during device operation.