US5239443A
Expired / Lapsed
US
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Blind hole cold plate cooling system
Assignee: International Business Machines Corp
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Filing: 1992-04-23
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Granted: 1993-08-24
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Expires: 2012-04-23
Abstract
Abstract Disclosed is a blind hole cold plate cooling system including: a fluid inlet manifold having at least one jet nozzle; a heat transfer plate having a first and second principal surface, the first principal surface having a complementary cavity for receiving the jet nozzle, the second principal surface being planar for contact with at least one heat generatinq device; and an annular gap defined by the outer periphery of jet nozzle and the surface of the complementary cavity.
Inventors
- 👤 Albert J. Fahey
- 👤 Gaetano P. Messina
- 👤 John B. Pavelka
- 👤 Raed A. Sherif
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:55
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/47; H10W40/475; Y; Y10; Y10S; Y10S165/00; Y10S165/908
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
96 words
A blind hole cold plate cooling system comprising: a fluid inlet manifold having at least one jet nozzle; a heat transfer plate having a first and second principle surface, said first principal surface having at least one complementary cavity receiving the at least one jet nozzle, said second principal surface in removable contact with at least one heat generating device; and an annular gap defined by the outer periphery of the at least one jet nozzle and the surface of said complementary cavity wherein the annular gap is on the order of 0.2 mm or less.
Claim 2
Dependent Claim
96 words
A blind hole cold plate cooling system comprising: a fluid inlet manifold having at least one jet nozzle; a heat transfer plate having a first and second principle surface, said first principal surface having at least one complementary cavity receiving the at least one jet nozzle, said second principal surface in removable contact with at least one heat generating device; and an annular gap defined by the outer periphery of the at least one jet nozzle and the surface of said complementary cavity wherein the annular gap is on the order of 0.2 mm or less.
Claim 3
Dependent Claim
19 words
The cooling system of claim 1 wherein the annular gap is on the order of 0.1 mm or less.
Claim 4
Dependent Claim
32 words
The cooling system of claim 1 wherein the at least one jet nozzle comprises a body portion and a conduit portion wherein the conduit portion is much smaller than the body portion.
Claim 5
Dependent Claim
24 words
The cooling system of claim 1, wherein there are a plurality of jet nozzles and a complementary number of cavities receiving the jet nozzles.
Claim 6
Dependent Claim
32 words
The cooling system of claim 4 wherein the jet nozzles and the complementary cavities are spaced such that there is at least 1 jet nozzle and 1 cavity per heat generating device.
Claim 7
Dependent Claim
19 words
The cooling system of claim 5 wherein there are 2 jet nozzles and 2 cavities per heat generating device.
Claim 8
Dependent Claim
58 words
The cooling system of claim 4 wherein the jet nozzles and the complementary cavities are spaced such that there is at least 1 jet nozzle and 1 cavity centrally located over each heat generating device and there is additionally at least a portion of a second jet nozzle and a second cavity shared with each heat generating device.
Claim 9
Dependent Claim
19 words
The cooling system of claim 7 wherein there are 2 jet nozzles and 2 cavities per heat generating device.
Claim 10
Dependent Claim
99 words
A blind hole cold plate cooling system comprising: at least 1 semiconductor device; a fluid inlet manifold having at least one jet nozzle; a heat transfer plate having a first and a second principal surface, said first principal surface having at least one complementary cavity receiving the at least one jet nozzle, the second principal surface being in removable contact with the semiconductor device; and an annular gap between the outer periphery of the at least one jet nozzle and the surface of said complementary cavity wherein the annular gap is on the order of 0.2 mm or less.
Claim 11
Dependent Claim
99 words
A blind hole cold plate cooling system comprising: at least 1 semiconductor device; a fluid inlet manifold having at least one jet nozzle; a heat transfer plate having a first and a second principal surface, said first principal surface having at least one complementary cavity receiving the at least one jet nozzle, the second principal surface being in removable contact with the semiconductor device; and an annular gap between the outer periphery of the at least one jet nozzle and the surface of said complementary cavity wherein the annular gap is on the order of 0.2 mm or less.
Claim 12
Dependent Claim
19 words
The cooling system of claim 9 wherein the annular gap is on the order of 0.1 mm or less.
Claim 13
Dependent Claim
32 words
The cooling system of claim 9 wherein the at least one jet nozzle comprises a body portion and a conduit portion wherein the conduit portion is much smaller than the body portion.
Claim 14
Dependent Claim
24 words
The cooling system of claim 9 wherein there are a plurality of jet nozzles and a complementary number of cavities receiving the jet nozzles.
Claim 15
Dependent Claim
32 words
The cooling system of claim 12 wherein the jet nozzles and the complementary cavities are spaced such that there is at least 1 jet nozzle and 1 cavity per heat generating device.
Claim 16
Dependent Claim
19 words
The cooling system of claim 13 wherein there are 2 jet nozzles and 2 cavities per heat generating device.
Claim 17
Dependent Claim
58 words
The cooling system of claim 12 wherein the jet nozzles and the complementary cavities are spaced such that there is at least 1 jet nozzle and 1 cavity centrally located over each heat generating device and there is additionally at least a portion of a second jet nozzle and a second cavity shared with each heat generating device.
Claim 18
Dependent Claim
19 words
The cooling system of claim 15 wherein there are 2 jet nozzles and 2 cavities per heat generating device.
Claim 19
Dependent Claim
14 words
The cooling system of claim 12 wherein there are a plurality of semiconductor devices.
Claim 20
Dependent Claim
23 words
The cooling system of claim 9 wherein there is a thermally conductive substance between the semiconductor device and the planar second principal surface.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-08-23 | 1997-02-22 | 1997-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-08-23 | 2001-02-22 | 2001-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-08-23 | 2005-02-22 | 2005-08-24 | $7700.00 | Window Closed / Lapsed |