Patent US4768352A successfully refreshed from Google Patents.
US4768352A
Expired / Lapsed
US
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Cooling structure for integrated circuits
Assignee: NEC Corp
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Filing: 1987-12-21
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Granted: 1988-09-06
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Expires: 2007-12-21
Abstract
Abstract A cooling structure for cooling integrated circuits. The cooling structure includes integrated circuit cases inside which one of more integrated circuits are mounted. Cold plates are also included which are superimposed on heat radiation surfaces of the integrated circuit cases, respectively, the cold plates each having one end of which is bent. Pressing members are also included which are superimposed on the cold plates, respectively, the pressing members each having one end of which is bent to oppose the bent one end of a respective one of the cold plates. The cooling structure also includes fixing means which fixes each of the cold plates and a corresponding one of the pressing members to corresponding one or more of the integrated circuit cases in a freely detachable manner. The cooling structure also includes cooling pipes with each of the cooling pipes being held in at least one space formed between one end of at least one of the cold plates and one end of a corresponding one of the pressing members.
Inventors
- 👤 Kazuo Maruyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:12
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/47; H10W40/60; H10W40/611; H10W40/20; H10W40/231; H10W40/235; H10W40/625
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
152 words
A cooling structure for cooling integrated circuits comprising: integrated circuit cases inside which one or more integrated circuits are mounted; cold plates which are superimposed on heat radiation surfaces of said integrated circuit cases, respectively, said cold plates each having one end of which is bent; pressing members which are superimposed on said cold plates, respectively, said pressing members each having one end of which is bent to oppose said bent one end of a respective one of said cold plates; fixing means which fixes each of said cold plates and a corresponding one of said pressing members to corresponding one or more of said integrated circuit cases in a freely detachable manner; and cooling pipes, said cooling pipes each being held in at least one space formed between said one end of at least one of said cold plates and said one end of a corresponding one of said pressing members.
Claim 2
Dependent Claim
152 words
A cooling structure for cooling integrated circuits comprising: integrated circuit cases inside which one or more integrated circuits are mounted; cold plates which are superimposed on heat radiation surfaces of said integrated circuit cases, respectively, said cold plates each having one end of which is bent; pressing members which are superimposed on said cold plates, respectively, said pressing members each having one end of which is bent to oppose said bent one end of a respective one of said cold plates; fixing means which fixes each of said cold plates and a corresponding one of said pressing members to corresponding one or more of said integrated circuit cases in a freely detachable manner; and cooling pipes, said cooling pipes each being held in at least one space formed between said one end of at least one of said cold plates and said one end of a corresponding one of said pressing members.
Claim 3
Dependent Claim
161 words
A cooling structure for an integrated circuit comprising: at least one integrated circuit case inside which at least one integrated circuit is mounted, at least one cold plate which is superimposed on a heat radiation surface of at least one said integrated circuit case, each said cold plate having one end of which is bent, at least one pressing member which is superimposed on at least one said cold plate, each said pressing member having one end of which is bent to oppose said bent one end of said respective cold plate on which it is superimposed, fixing means which fixes each said cold plate and a corresponding pressing member to at least one corresponding integrated circuit case in a freely detachable manner, and at least one cooling pipe, each said cooling pipe being disposed in at least one space formed between said one end of at least one said cold plate and said one end of a corresponding pressing member.
Claim 4
Dependent Claim
161 words
A cooling structure for an integrated circuit comprising: at least one integrated circuit case inside which at least one integrated circuit is mounted, at least one cold plate which is superimposed on a heat radiation surface of at least one said integrated circuit case, each said cold plate having one end of which is bent, at least one pressing member which is superimposed on at least one said cold plate, each said pressing member having one end of which is bent to oppose said bent one end of said respective cold plate on which it is superimposed, fixing means which fixes each said cold plate and a corresponding pressing member to at least one corresponding integrated circuit case in a freely detachable manner, and at least one cooling pipe, each said cooling pipe being disposed in at least one space formed between said one end of at least one said cold plate and said one end of a corresponding pressing member.
Claim 5
Dependent Claim
54 words
The cooling structure as set forth in claim 2 wherein said one end of said at least one cold plate is bent in a perpendicular direction to said heat radiation surface, and wherein said one end of said at least one pressing member is bent in a perpendicular direction to said heat radiation surface.
Claim 6
Dependent Claim
53 words
The cooling structure as set forth in claim 3 wherein the length of said one end of said at least one cold plate and the length of said one end of at least one corresponding pressing member are each higher than the height of said cooling pipe disposed in said space formed therebetween.
Claim 7
Dependent Claim
20 words
The cooling structure as set forth in claim 4 wherein said at least one cooling pipe has a rectangular cross-section.
Claim 8
Dependent Claim
20 words
The cooling structure as set forth in claim 4 wherein said at least one cooling pipe has a circular cross-section.
Claim 9
Dependent Claim
58 words
The cooling structure as set forth in claim 3 wherein said fixing means includes at least one fixing screw adapted to pass through a fixing hole bored through said at least one cold plate and a fixing hole bored through a corresponding pressing member and adapted to engage with a threaded hole in a corresponding integrated circuit case.
Claim 10
Dependent Claim
51 words
The cooling structure as set forth in claim 7 wherein said at least one fixing hole in said at least one cold plate and said fixing hole in said corresponding pressing member each have an internal diameter larger than the outer diameter of said corresponding fixing screw adapted to pass therethrough.
Claim 11
Dependent Claim
56 words
The cooling structure as set forth in claim 3 wherein said fixing means includes at least one stud bolt adapted to screw into a corresponding integrated circuit case, at least one nut adapted to engage with a corresponding stud bolt, and at least one spring member positioned between a corresponding nut and a corresponding pressing member.
Claim 12
Dependent Claim
36 words
The cooling structure as set forth in claim 9 wherein at least one cold plate has on the end opposite said one end thereof a stop adapted to hold an end of a corresponding spring member.
Claim 13
Dependent Claim
26 words
The cooling structure as set forth in claim 2 wherein said at least one cold plate is made of a metal having a high thermal conductivity.
Claim 14
Dependent Claim
26 words
The cooling structure as set forth in claim 2 wherein said at least one pressing member is made of a metal having a high thermal conductivity.
Claim 15
Dependent Claim
26 words
The cooling structure as set forth in claim 12 wherein said at least one cold plate is made of a metal having a high thermal conductivity.
Claim 16
Dependent Claim
56 words
The cooling structure as set forth in claim 13 wherein said metal of which said at least one pressing member is made is selected from the group consisting of copper and aluminum, and wherein said metal of which said at least one cold plate is made is selected from the group consisting of copper and aluminum.
Claim 17
Dependent Claim
56 words
The cooling structure as set forth in claim 2 wherein a plurality of integrated circuit cases are provided in spaced relation to each other and said one end of said at least one cold plate and said one end of at least one corresponding pressing member are disposed in a space between adjacent integrated circuit cases.
Claim 18
Dependent Claim
49 words
The cooling structure as set forth in claim 15 wherein said one end of said at least one cold plate and said one end of at least one corresponding pressing member are each bent towards a printed wiring board on which said plurality of integrated circuit cases are mounted.
Claim 19
Dependent Claim
54 words
The cooling structure as set forth in claim 16 wherein the length of said one end of said at least one cold plate and the length of said one end of a corresponding pressing member are each higher than the height of said at least one cooling pipe disposed in said space formed therebetween.
Claim 20
Dependent Claim
20 words
The cooling structure as set forth in claim 17 wherein said at least one cooling pipe has a rectangular cross-section.
Claim 21
Dependent Claim
20 words
The cooling structure as set forth in claim 17 wherein said at least one cooling pipe has a circular cross-section.
Claim 22
Dependent Claim
44 words
The cooling structure as set forth in claim 16 wherein said at least one cold plate is made of a metal having a high thermal conductivity and wherein said at least one pressing member is made of a metal having a high thermal conductivity.
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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) | 1991-09-06 | 1992-03-07 | 1992-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-06 | 1996-03-07 | 1996-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-06 | 2000-03-07 | 2000-09-06 | $7700.00 | Window Closed / Lapsed |