摘要:
A microheat exchanging assembly is configured to cool one or more heat generating devices, such as integrated circuits or laser diodes. The microheat exchanging assembly includes a first ceramic assembly thermally coupled to a first surface, and in cases, a second ceramic assembly thermally coupled to a second surface. The ceramic assembly includes one or more electrically and thermally conductive pads to be thermally coupled to a heat generating device, each conductive pad is electrically isolated from each other. The ceramic assembly includes a ceramic layer to provide this electrical isolation. A top surface and a bottom surface of the ceramic layer are each bonded to a conductive layer, such as copper, using an intermediate joining material. A brazing process is performed to bond the ceramic layer to the conductive layer via a joining layer. The joining layer is a composite of the joining material, the ceramic layer, and the conductive layer.
摘要:
An structure and method of manufacturing a microstructure for use in a heat exchanger is disclosed. The heat exchanger comprises a manifold layer and an microstructured region. The manifold layer comprises a structure to deliver fluid to the microstructured region. The microstructured region is formed from multiple windowed layers formed from heat conductive layers through which a plurality of microscaled apertures have been formed by a wet etching process. The plurality of windowed layers are then coupled together to form a composite microstructure.
摘要:
A microheat exchanging assembly is configured to cool one or more heat generating devices, such as integrated circuits or laser diodes. The microheat exchanging assembly includes a first ceramic assembly thermally coupled to a first surface, and in cases, a second ceramic assembly thermally coupled to a second surface. The ceramic assembly includes one or more electrically and thermally conductive pads to be thermally coupled to a heat generating device, each conductive pad is electrically isolated from each other. The ceramic assembly includes a ceramic layer to provide this electrical isolation. A top surface and a bottom surface of the ceramic layer are each bonded to a conductive layer, such as copper, using an intermediate joining material. A brazing process is performed to bond the ceramic layer to the conductive layer via a joining layer. The joining layer is a composite of the joining material, the ceramic layer, and the conductive layer.
摘要:
An structure and method of manufacturing a microstructure for use in a heat exchanger is disclosed. The heat exchanger comprises a manifold layer and an microstructured region. The manifold layer comprises a structure to deliver fluid to the microstructured region. The microstructured region is formed from multiple windowed layers formed from heat conductive layers through which a plurality of microscaled apertures have been formed by a wet etching process. The plurality of windowed layers are then coupled together to form a composite microstructure.
摘要:
A ceramic assembly includes one or more electrically and thermally conductive pads to be thermally coupled to a heat generating device, each conductive pad is electrically isolated from each other. The ceramic assembly includes a ceramic layer to provide this electrical isolation. The ceramic layer has high thermal conductivity and high electrical resistivity. A top surface and a bottom surface of the ceramic layer are each bonded to a conductive layer, such as copper, using an intermediate joining material. A brazing process is performed to bond the ceramic layer to the conductive layer via a joining layer. The joining layer is a composite of the joining material, the ceramic layer, and the conductive layer. The top conductive layer and the joining layer are etched to form the electrically isolated conductive pads. The conductive layers are bonded to the ceramic layer using a bare ceramic approach or a metallized ceramic approach.
摘要:
The present invention provides methods and apparatuses which achieve high heat transfer in a fluid cooling system, and which do so with a small pressure drop across the system. The present invention teaches the use of wall features on the fins of a heat exchanger to cool fluid in a fluid cooling system. The present invention also discloses high aspect ratio, high surface area structures applicable in micro-heat exchangers for fluid cooling systems and cost effective methods for manufacturing the same.
摘要:
A ceramic assembly includes one or more electrically and thermally conductive pads to be thermally coupled to a heat generating device, each conductive pad is electrically isolated from each other. The ceramic assembly includes a ceramic layer to provide this electrical isolation. The ceramic layer has high thermal conductivity and high electrical resistivity. A top surface and a bottom surface of the ceramic layer are each bonded to a conductive layer, such as copper, using an intermediate joining material. A brazing process is performed to bond the ceramic layer to the conductive layer via a joining layer. The joining layer is a composite of the joining material, the ceramic layer, and the conductive layer. The top conductive layer and the joining layer are etched to form the electrically isolated conductive pads. The conductive layers are bonded to the ceramic layer using a bare ceramic approach or a metallized ceramic approach.
摘要:
A heat exchanging system uses a metallic TIM for efficient heat transfer between a heat source and a heat exchanger. The heat source is preferably an integrated circuit coupled to a circuit board. The metallic TIM preferably comprises indium. The metallic TIM is comprised of either a separate metallic TIM foil or as a deposited layer of metal material. The metallic TIM foil is mechanically joined to a first surface of the heat exchanger and to a first surface of the integrated circuit by applying sufficient pressure during clamping. Disassembly is accomplished by un-clamping the heat exchanger, the metallic TIM foil, and the integrated circuit from each other. Once disassembled, the heat exchanger and the metallic TIM foil are available to be used again. If the metallic TIM is deposited onto the heat exchanger, disassembly yields a heat exchanging sub-assembly that is also reusable.
摘要:
A cooling door assembly includes a frame and a cooling door coupled to the frame. The cooling door includes one or more heat exchangers. The frame is configured to mount to the back of a server rack or other electronics enclosure in such a manner that the cooling door opens to allow access to the electronics servers within the server rack while maintaining a fluidic connection to an external cooling system. The frame is coupled to the external cooling system and the cooling door includes swivel joints configured to provide a fluid path between the cooling door and the frame. In this manner, the frame remains in a fixed position, while the cooling door is configured to rotate relative to the frame so as to open and close, while maintaining the fluid path through the swivel joint.
摘要:
A cooling door assembly includes a frame and a cooling door coupled to the frame. The cooling door includes one or more heat exchangers. The frame is configured to mount to the back of a server rack or other electronics enclosure in such a manner that the cooling door opens to allow access to the electronics servers within the server rack while maintaining a fluidic connection to an external cooling system. The frame is coupled to the external cooling system and the cooling door includes swivel joints configured to provide a fluid path between the cooling door and the frame. In this manner, the frame remains in a fixed position, while the cooling door is configured to rotate relative to the frame so as to open and close, while maintaining the fluid path through the swivel joint.