Electronic devices are disclosed including hydrophobic or oleophobic coatings that control coolant flow therein or thereon. In at least one embodiment, a power inverter cold plate is provided including coolant inlet, a coolant outlet, a coolant flow spreading region, a coolant flow collection region, and a coolant heat-transfer region disposed therebetween; and one or more layers of a hydrophobic or oleophobic coating configured to control a flow of coolant in the cold plate. A method may include applying one or more layers of a hydrophobic or oleophobic coating to a power inverter cold plate to control a flow of coolant in the cold plate, the one or more layers being applied to one or more of a coolant flow spreading region, a coolant flow collection region, or a coolant heat-transfer region disposed therebetween. The layers may define coolant flow paths, eliminate recirculation zones, and/or prevent coolant leak paths.

A heat dissipation device includes a base plate and a plurality of fins arranged on the base plate. Each fin includes a fin body including a first metal sheet and a second metal sheet coupled to each other, wherein the fin body is curved and includes a first portion and a second portion transverse to the first portion, an evaporation channel defined in the first portion, one or more connecting channels disposed in the first portion and in fluid communication with the evaporation channel, a condensation channel defined in the second portion, and one or more auxiliary channels disposed in the second portion and in fluid communication with the one or more connecting channels and the condensation channel.

A heat exchanger includes a first manifold, aa second manifold, at least one heat exchange tube segment extending between and fluidly coupling the first manifold and the second manifold, and a fin having a non-linear configuration. A portion of the fin is affixed to an adjacent surface of the at least one heat exchange tube segment via a braze joint. The braze joint has a length, measured parallel to a length of the at least one heat exchange tube segment, less than or equal to 650 micrometers.

A heat dissipation device includes a base plate and a plurality of fins arranged on the base plate. Each fin includes a fin body including a first metal sheet and a second metal sheet coupled to each other, wherein the fin body is curved and includes a first portion and a second portion transverse to the first portion, an evaporation channel defined in the first portion, one or more connecting channels disposed in the first portion and in fluid communication with the evaporation channel, a condensation channel defined in the second portion, and one or more auxiliary channels disposed in the second portion and in fluid communication with the one or more connecting channels and the condensation channel.

graphite composite laminated heat-dissipating structure and a manufacturing method thereof are disclosed. The structure includes a metal substrate and a graphite heat-dissipating layer. The metal substrate has a first surface having a roughness ranging between 0.01 and 10 μm. The graphite heat-dissipating layer is composed of pure graphite and is directly formed on the first surface by means of physical vapor deposition using a carbon sputtering target. The graphite heat-dissipating layer has a thickness ranging between 0.05 and 2 μm. The manufacturing method includes S1: directly forming a graphite heat-dissipating layer on a first surface of a metal substrate by means of physical vapor deposition using a carbon sputtering target after the metal substrate has received plasma treatment or infrared heating; and S2: stopping the physical vapor deposition when the graphite heat-dissipating layer has a thickness ranging between 0.05 and 2 μm.

A heat exchanger includes a bag-like outer packaging material. A heat medium flows into an inside of the outer packaging material. An inner core material is arranged in the inside of the outer packaging material. The outer packaging material has an outer packaging laminate material including a metal heat transfer layer and a resin thermal fusion layer on a surface side of the heat transfer layer. The outer packaging laminate materials form a bag shape by integrally joining the thermal fusion layers along the peripheral edge portions. The inner core material includes the inner core laminate material with a metal heat transfer layer and resin thermal fusion layers on surface sides of the heat transfer layer. The thermal fusion layers of a concave portion bottom and a convex portion top of the inner core material and the thermal fusion layers of the outer packaging laminate material are integrally joined.

A drug-containing capsule (20, 30, 40) includes a capsule material (21, 31, 41) and a drug (22, 32, 42) disposed within the capsule material (21, 31, 41) and having a sterilization action for a specific microorganism. The capsule material (21, 31, 41) includes a degradable part (21a, 31a, 41a) formed of a raw material that is caused to biodegrade by the specific microorganism. This results in suppression of release of the drug while the specific microorganism does not proliferate.

A heat exchanger (HEX) for cooling air in a gas turbine engine is provided. The HEX may comprise a central manifold comprising an inlet portion, a first outlet portion, and a second outlet portion. The HEX may further comprise a plurality of tubes coupled to the central manifold, the plurality of tubes comprising at least a first tube, a second tube, a third tube, and a fourth tube, a shroud at least partially encasing said plurality of tubes, and a cooling air flow path defined by at least one of the shroud, the plurality of tubes, and an outer surface of the central manifold, wherein the cooling air flow path is orthogonal to said plurality of tubes.

A heat dissipation device is provided. The heat dissipation device includes a container including a first plate, and a second plate spaced apart from the first plate to define an interior space, at least one filler disposed between the first plate and the second plate and configured to support the first plate and the second plate, a wick layer located on an inner wall defined in the interior space by the first plate or the second plate, and a working fluid configured to flow in the interior space in a gaseous state, and flow in the wick layer in a liquefied state, wherein the container further includes a fluoride-based polymer having a predetermined gas permeability.

A heat exchanger includes a heat transfer portion configured as a heat exchange flow path and an inlet/outlet formation portion provided with an inlet/outlet. The heat transfer portion includes a hollow interior portion. An interior of the inlet/outlet formation portion is connected to the heat exchange flow path. Heat exchange is performed between the medium passing through the heat exchange flow path and a heat exchange target member arranged on an outer surface of the heat transfer portion. At least a part of the outer surface of the heat transfer portion is configured by a coating sheet formed of a laminate material in which a resin coating layer is provided on at least one surface side of a metal heat transfer layer. An external thickness of the inlet/outlet formation portion is formed to be thicker than an external thickness of the heat transfer portion.