Integrated circuit coolant microchannel with compliant cover
First Claim
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1. An apparatus comprising:
- a microchannel structure having microchannels formed therein, said microchannels to transport a coolant and to be proximate to an integrated circuit to transfer heat from the integrated circuit to the coolant;
a membrane positioned on the microchannel structure to define a respective upper wall of each of said microchannels, said membrane presenting a compliant surface to said microchannels; and
a cap member positioned on said microchannel structure with said membrane sandwiched between said cap member and said microchannel structure, said cap member defining a plurality of relief channels each located above a respective one of said microchannels, said membrane forming a bottom wall of each of the relief channels, said relief channels for allowing said membrane to bulge into said relief channels in case said coolant freezes and expands in one or more of said microchannels;
wherein said membrane is formed of polydimethylsiloxane elastomer.
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Abstract
An apparatus includes a microchannel structure having microchannels formed therein. The microchannels are to transport a coolant and to be proximate to an integrated circuit to transfer heat from the integrated circuit to the coolant. The apparatus also includes a cover positioned on the microchannel structure to define a respective upper wall of each of the microchannels. The cover presents a compliant surface to the microchannels.
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Citations
2 Claims
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1. An apparatus comprising:
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a microchannel structure having microchannels formed therein, said microchannels to transport a coolant and to be proximate to an integrated circuit to transfer heat from the integrated circuit to the coolant; a membrane positioned on the microchannel structure to define a respective upper wall of each of said microchannels, said membrane presenting a compliant surface to said microchannels; and a cap member positioned on said microchannel structure with said membrane sandwiched between said cap member and said microchannel structure, said cap member defining a plurality of relief channels each located above a respective one of said microchannels, said membrane forming a bottom wall of each of the relief channels, said relief channels for allowing said membrane to bulge into said relief channels in case said coolant freezes and expands in one or more of said microchannels; wherein said membrane is formed of polydimethylsiloxane elastomer. - View Dependent Claims (2)
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Specification
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Current AssigneeIntel Corporation
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Original AssigneeIntel Corporation
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InventorsChrysler, Gregory M., Prasher, Ravi, Sauciuc, Ioan, Boyd, Patrick D., Myers, Alan M., Chang, Je-Young, Chiu, Chia-pin
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Primary Examiner(s)DUONG, THO V
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Application NumberUS11/069,540Publication NumberTime in Patent Office868 DaysField of Search165/80.4, 165/104.33, 165/46, 165/168, 165/104.26, 165/134.1, 165 81- 82, 361/698, 361/699, 257/714, 257/715US Class Current165/80.4CPC Class CodesF28F 3/12 Elements constructed in the...H01L 23/473 by flowing liquids H01L23/4...H01L 2924/00 Indexing scheme for arrange...H01L 2924/0002 Not covered by any one of g...
