Jet orifice plate with projecting jet orifice structures for direct impingement cooling apparatus
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-007/20
H01L-023/24
H01L-023/16
F28D-015/00
출원번호
US-0940482
(2007-11-15)
등록번호
US-7375962
(2008-05-20)
발명자
/ 주소
Campbell,Levi A.
Chu,Richard C.
Ellsworth, Jr.,Michael J.
Iyengar,Madhusudan K.
Schmidt,Roger R.
Simons,Robert E.
출원인 / 주소
International Business Machines Corporation
대리인 / 주소
Neff, Esq.,Lily
인용정보
피인용 횟수 :
32인용 특허 :
19
초록▼
A cooling apparatus and a direct cooling impingement module are provided, along with a method of fabrication thereof. The cooling apparatus and direct impingement cooling module include a manifold structure and a jet orifice plate for injecting coolant onto a surface to be cooled. The jet orifice pl
A cooling apparatus and a direct cooling impingement module are provided, along with a method of fabrication thereof. The cooling apparatus and direct impingement cooling module include a manifold structure and a jet orifice plate for injecting coolant onto a surface to be cooled. The jet orifice plate, which includes a plurality of jet orifices for directing coolant at the surface to be cooled, is a unitary plate configured with a plurality of jet orifice structures. Each jet orifice structure projects from a lower surface of the jet orifice plate towards the surface to be cooled, and includes a respective jet orifice. The jet orifice structures are spaced to define coolant effluent removal regions therebetween which facilitate removal of coolant effluent from over a center region of the electronic component being cooled to a peripheral region thereof, thereby reducing pressure drop across the jet orifice plate.
대표청구항▼
What is claimed is: 1. A cooling apparatus comprising: a manifold structure comprising a jet orifice plate for injecting coolant onto a flat surface to be cooled when the cooling apparatus is employed to cool at least one electronic component, wherein the flat surface to be cooled comprises a surfa
What is claimed is: 1. A cooling apparatus comprising: a manifold structure comprising a jet orifice plate for injecting coolant onto a flat surface to be cooled when the cooling apparatus is employed to cool at least one electronic component, wherein the flat surface to be cooled comprises a surface of the at least one electronic component; wherein the jet orifice plate comprises a plurality of jet orifices for directing coolant at the surface to be cooled, the jet orifice plate being configured with a plurality of jet orifice structures, each jet orifice structure projecting from a first surface of the jet orifice plate towards the surface to be cooled when the cooling apparatus is employed to cool the at least one electronic component, each jet orifice structure including a respective jet orifice of the plurality of jet orifices, and wherein the plurality of jet orifice structures are sized and spaced to define coolant effluent removal regions therebetween which facilitate removal of coolant effluent from over a center region of the at least one electronic component to a peripheral region thereof when the cooling apparatus is employed to cool the at least one electronic component, thereby reducing coolant pressure drop across the jet orifice plate; wherein the jet orifice plate comprises a stamped, unitary base plate of uniform thickness with the plurality of jet orifice structures projecting across the first surface of the jet orifice plate, and wherein the jet orifice structures have a common geometrical configuration; and wherein the common geometrical configuration is a conical configuration, and wherein a second surface of the jet orifice plate comprises a plurality of funnels formed by the plurality of jet orifice structures of conical configuration projecting from the first surface of the jet orifice plate, each funnel directing coolant towards a respective jet orifice of the plurality of jet orifice structures for jet impingement on the surface to be cooled. 2. The cooling apparatus of claim 1, wherein each jet orifice of the plurality of jet orifices has an orifice diameter D, and wherein the plurality of jet orifices are aligned in a common plane disposed at a height Hjet from the surface to be cooled when the cooling apparatus is employed to cool the at least one electronic component, wherein height Hjet is in a range of 1-5 times orifice diameter D of the plurality of jet orifices. 3. The cooling apparatus of claim 1, wherein each jet orifice of the plurality of jet orifices has an orifice diameter D, and wherein the first surface of the jet orifice plate in the coolant effluent removal regions is spaced a height Hplate from the surface to be cooled when the cooling apparatus is employed to cool the at least one electronic component, and wherein height Hplate is at least 4 times orifice diameter D of the plurality of jet orifices. 4. The cooling apparatus of claim 3, wherein the plurality of jet orifices are aligned in a common plane disposed at a height Hjet from the surface to be cooled when the cooling apparatus is employed to cool the at least one electronic component, and wherein height Hplate is at least 2 times height Hjet, the jet orifice plate is fabricated of stainless steel, copper, or tungsten, and the at least one electronic component comprises an integrated circuit chip, wherein the surface to be cooled includes a back surface of the integrated circuit chip. 5. The cooling apparatus of claim 1, wherein the at least one component includes at least one integrated circuit chip, and the flat surface to be cooled comprises a back surface of the at least one integrated circuit chip. 6. The cooling apparatus of claim 5, wherein each funnel of the plurality of funnels is positioned adjacent to at least one other funnel of the plurality of funnels, the adjacent funnels being separated by approximately the uniform thickness of the stamped, unitary base plate. 7. The cooling apparatus of claim 1, wherein the coolant effluent removal regions are sized to prevent coolant effluent exhausting from over the center region of the at least one electronic component from perturbing flow fields of coolant being injected onto the surface to be cooled in at least one of the center region and the peripheral region of the at least one electronic component. 8. The cooling apparatus of claim 1, wherein the coolant is a two-phase coolant and wherein the coolant effluent removal regions facilitate exhausting of coolant vapor from over the center region of the at least one electronic component to the peripheral region thereof. 9. A direct impingement cooling module comprising: a frame having a frame opening configured to align over a flat surface to be cooled of at least one electronic component, the flat surface to be cooled comprising a surface of the at least one electronic component; a manifold disposed over the frame and having an inlet manifold opening and an outlet manifold opening, the inlet manifold opening being in fluid communication with a manifold inlet for supplying coolant, and the outlet manifold opening being in fluid communication with a manifold outlet for removing coolant effluent, the inlet manifold opening being aligned over the frame opening; a jet orifice plate associated with the manifold and aligned under the inlet manifold opening, the jet orifice plate comprising a plurality of jet orifices for directing coolant at the at least one electronic component to be cooled, the jet orifice plate being a unitary plate configured with a plurality of jet orifice structures, each jet orifice structure projecting from a first surface of the jet orifice plate towards the at least one electronic component to be cooled, and wherein the plurality of jet orifice structures are sized and spaced to define coolant effluent removal regions therebetween which facilitate removal of coolant effluent from over a center region of the at least one electronic component to a peripheral region thereof, for removal through the outlet manifold opening of the manifold, thereby reducing coolant pressure drop across the jet orifice plate; wherein the jet orifice plate is a stamped plate of uniform thickness with a plurality of jet orifice structures projecting across the first surface of the jet orifice plate, and wherein the jet orifice structures have a common geometrical configuration; and wherein the common geometrical configuration is a conical configuration, and wherein a second surface of the jet orifice plate comprises a plurality of funnels formed by the plurality of jet orifice structures of conical configuration projecting from the first surface of the jet orifice plate, each funnel directing coolant towards a respective jet orifice of the plurality of jet orifice structures for jet impingement on the at least one electronic component. 10. The direct impingement cooling module of claim 9, wherein the module is attached to a substrate supporting the at least one electronic component and wherein the at least one electronic component comprises at least one integrated circuit chip, the flat surface to be cooled comprising a back surface of the at least one integrated circuit chip, and the jet orifice plate is positioned to directly impinge coolant jets on the back surface of the at least one integrated circuit chip. 11. The direct impingement cooling module of claim 9, wherein each jet orifice of the plurality of jet orifices has an orifice diameter D, and wherein the plurality of jet orifices are aligned in a common plane disposed at a height Hjet from the at least one electronic component, wherein height Hjet is in a range of 1-5 times orifice diameter D of the plurality of jet orifices. 12. The direct impingement cooling module of claim 9, wherein each jet orifice of the plurality of jet orifices has an orifice diameter D, and wherein the first surface of the jet orifice plate in the coolant effluent removal regions is spaced a height Hplate from the at least one electronic component to be cooled, and wherein Hplate is at least 4 times orifice diameter D of the plurality of jet orifices. 13. The direct impingement cooling module of claim 12, wherein the plurality of jet orifices are aligned in a common plane disposed at a height Hjet from the surface to be cooled when the cooling apparatus is employed to cool the at least one electronic component, and wherein height Hplate is at least 2 times height Hjet, and wherein the jet orifice plate is a stamped plate fabricated of one of stainless steel, copper or tungsten. 14. The direct impingement cooling module of claim 9, wherein the jet orifice plate is bent in the shape of a container and forms at least one sidewall of the manifold. 15. The direct impingement cooling module of claim 9, wherein each funnel of the plurality of funnels is positioned adjacent to at least one other funnel of the plurality of funnels, the adjacent funnels being separated by approximately the uniform thickness of the stamped, unitary base plate. 16. The direct impingement cooling module claim 9, wherein the coolant effluent removal regions are sized to prevent coolant effluent exhausting from over the center region of the at least one electronic component from perturbing flow fields of coolant being injected towards the at least one electronic component in at least one of the center region and the peripheral region thereof. 17. The direct impingement cooling module of claim 9, wherein the coolant is a two-phase coolant and wherein the coolant effluent removal regions facilitate exhausting of coolant vapor from over the center region of the at least one electronic component to the peripheral region thereof.
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이 특허에 인용된 특허 (19)
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