A photonics assembly (8-16) is housed within an hermetically sealed container (24) mounted within an outer container (20), and is cooled by a fluidic arrangement comprising a liquid flow path (28) defined between the outer container and the sealed container, the outer container having a liquid inlet
A photonics assembly (8-16) is housed within an hermetically sealed container (24) mounted within an outer container (20), and is cooled by a fluidic arrangement comprising a liquid flow path (28) defined between the outer container and the sealed container, the outer container having a liquid inlet and a liquid outlet (30, 32), whereby cooling liquid can flow around the hermetically sealed container to remove heat. The photonics assembly including photonics devices, has a composite thermally conductive substrate (17, 19) contacting a thermally conductive wall (22) of the sealed container, whereby the cooling liquid cools said photonics devices. Liquid flow passageways (48-66) are provided in wall (22) and substrate (17, 19) for improving fluidic cooling.
대표청구항▼
1. A thermal management apparatus for an electrical and/or optical component assembly, comprising: an hermetically sealed container mounted within an outer container,the outer container having a liquid inlet and a liquid outlet,said outer container and said hermetically sealed container configured t
1. A thermal management apparatus for an electrical and/or optical component assembly, comprising: an hermetically sealed container mounted within an outer container,the outer container having a liquid inlet and a liquid outlet,said outer container and said hermetically sealed container configured to define a liquid path operable to direct a liquid within the outer container and around the hermetically sealed container to remove heat therefrom, andthe hermetically sealed container containing said component assembly, which assembly includes one or more devices, which devices are in thermal communication with a thermally conductive wall portion of said sealed container, whereby said liquid cools said devices, wherein at least two of the devices that are contained within the outer container are also contained within the hermetically sealed container. 2. The thermal management apparatus according to claim 1 wherein the sealed container has a base portion and side walls of a thermally conductive material. 3. The thermal management apparatus according to claim 2, wherein a base and side walls of the outer container are formed of a thermally insulative material. 4. The thermal management apparatus according to claim 3, wherein the outer container is formed as a close fit to the sides of the sealed container, or is formed as plastics extrusion moulded to the sealed container. 5. The thermal management apparatus according to claim 2, wherein the sealed container and the outer container have a common top portion formed of thermally insulative material, or have separate top portions of conductive and insulative material respectively. 6. The thermal management apparatus according to claim 1, wherein said outer container has liquid flow structures formed in said liquid flow path to direct liquid flow. 7. The thermal management apparatus according to claim 1, wherein the outer container includes a liquid inlet, which is coupled to a source of cooling liquid, and a liquid outlet. 8. The thermal management apparatus according to claim 1, wherein said one of more devices include a photonics device, preferably a laser bar comprising a plurality of lasers. 9. The thermal management apparatus according to claim 8, wherein said liquid passageways include at least one liquid reservoir located beneath at least one photonics device. 10. The thermal management apparatus as recited in claim 1, wherein a majority of the devices that are contained within the outer container are also contained within the hermetically sealed container. 11. A thermal management apparatus for an electrical and/or optical component assembly, comprising: an hermetically sealed container mounted within an outer container,the outer container having a liquid inlet and a liquid outlet,said outer container and said hermetically sealed container configured to define a liquid path operable to direct a liquid within the outer container and around the hermetically sealed container to remove heat therefrom, andthe hermetically sealed container containing said component assembly, which assembly includes one or more devices, which devices are in thermal communication with a thermally conductive wall portion of said sealed container, whereby said liquid cools said devices,wherein said one or more devices are mounted on a thermally conductive substrate assembly which is sealed to and in good thermal contact with a base region of the sealed container. 12. The thermal management apparatus according to claim 11, wherein said substrate assembly is formed with liquid flow channels which communicate with liquid inlets and outlets in the base region of the sealed container, in order to permit liquid flow from said liquid flow path close to specific photonics devices. 13. The thermal management apparatus according to claim 11, wherein said substrate assembly is formed with liquid reservoirs which communicate with liquid inlets and outlets in the base region of the sealed container. 14. A thermal management apparatus for an electrical and optical component assembly, comprising: an hermetically sealed container mounted within an outer container, the outer container having a liquid inlet and a liquid outlet, said outer container and said hermetically sealed container configured to define a liquid path operable to direct a liquid within the outer container and around the hermetically sealed container to remove heat therefrom, andthe hermetically sealed container containing said component assembly, which assembly includes one or more devices, which devices are in thermal communication with a thermally conductive wall portion of said sealed container, whereby said liquid cools said devices,wherein said outer container has liquid flow structures formed in said liquid flow path to direct liquid flow further comprising raised liquid flow structures to encourage liquid flow at an increased rate close to specific areas of the base of the sealed container. 15. The thermal management apparatus according to claim 14, wherein said raised liquid flow structures are located in one or more recesses of the base of the sealed container. 16. Thermal management apparatus for a photonics assembly, comprising an hermetically sealed container mounted within an outer container, and the hermetically sealed container containing a photonics assembly comprising one or more photonics devices, which are mounted on a thermally conductive substrate assembly, which is sealed to and in thermal contact with a wall portion of said sealed container, the thermally conductive substrate assembly having liquid passageways formed therein to permit liquid to flow close to said photonics devices, said wall portion having inlet and outlet liquid paths communicating with said liquid passageways, and the outer container having a liquid inlet and a liquid outlet, so as to provide a cooling liquid flow path between said liquid inlet and outlet via said photonics devices to remove heat therefrom.
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이 특허에 인용된 특허 (15)
Campbell, Levi A.; Chu, Richard C.; Ellsworth, Jr., Michael J.; Iyengar, Madhusudan K.; Kamath, Vinod; Simons, Robert E., Apparatus and method for facilitating immersion-cooling of an electronic subsystem.
Cannell, Michael J.; Cooley, Roger; Garman, Richard W.; Green, Geoffrey; Harrison, Peter N.; Walters, Joseph D., Fluid-cooled heat sink with turbulence-enhancing support pins.
Goodson,Kenneth; Kenny,Thomas; Zhou,Peng; Upadhya,Girish; Munch,Mark; McMaster,Mark; Horn,James, Method and apparatus for achieving temperature uniformity and hot spot cooling in a heat producing device.
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