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EP0246657A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Integrated circuit chips cooling module having coolant leakage prevention device

Assignee: Hitachi Ltd
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Filing: 1987-05-22
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Granted: —
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Expires: 2007-05-22
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Abstract

Abstract An improved integrated circuit chips cooling module (100) in which a cooling member (1) having an inside space through which a coolant flows is attached to each of the integrated circuit chips (2) by pressure welding or anchoring to effect cooling, wherein the improvement comprises providing coated portions for each portion of the surface of coolant flow system (5, 7, 10) where the coolant leakage may possibly take place, the coating of said coated portions comprising an organic or inorganic high-molecular compound (14) curable by reacting with the coolant to keep the latter from leakage.

Inventors

  • 👤 Keiichirou Hitachi Daini Kyoshinryo Nakanishi
  • 👤 Minoru Yamada

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 14:42
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/70; H10W40/77; H10W40/772; H10W72/00; H10W72/071; H10W72/072; H10W72/07251; H10W72/20; H10W72/851; H10W72/874; H10W72/877

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 126 words
An integrated circuit chips cooling module (100) comprising integrated circuit chips (2) mounted on a wiring substrate (3); cooling members (1) having an internal space through which a coolant flows, said cooling members (1) being thermally coupled with said integrated circuit chips (2); and a coolant flow system (7, 5, 10) which allows a coolant to flow into and out of said internal space of the cooling member (1), characterized by being provided with coated portions for each portion of the surface of said coolant circulating system (7, 5, 10) where the leakage of the coolant may possibly take place, the coating of said coated portions comprising an organic or inorganic high-­molecular compound (14) curable by reacting with the coolant to keep the latter from leakage.
Claim 2
Dependent Claim 126 words
An integrated circuit chips cooling module (100) comprising integrated circuit chips (2) mounted on a wiring substrate (3); cooling members (1) having an internal space through which a coolant flows, said cooling members (1) being thermally coupled with said integrated circuit chips (2); and a coolant flow system (7, 5, 10) which allows a coolant to flow into and out of said internal space of the cooling member (1), characterized by being provided with coated portions for each portion of the surface of said coolant circulating system (7, 5, 10) where the leakage of the coolant may possibly take place, the coating of said coated portions comprising an organic or inorganic high-­molecular compound (14) curable by reacting with the coolant to keep the latter from leakage.
Claim 3
Dependent Claim 39 words
An integrated circuit chips cooling module according to claim 1, characterized in that the coated portion is a coating layer comprising the high-molecular compound (14) which is applied to the surface of the coolant flow system (5, 7, 10).
Claim 4
Dependent Claim 33 words
An integrated circuit chips cooling module according to claim 1, characterized in that the surface of a portion of the coolant flow system has a double-wall structure filled with the high-molecular compound (14).
Claim 5
Dependent Claim 47 words
An integrated circuit chips cooling module according to claim 2 or 3, characterized in that the coolant is water and the high-molecular compound (14) is a polymer formed by the reaction under anhydrous conditions between a reactive polysiloxane and a polyfunctional silane compound having a hydrolyzable group.
Claim 6
Dependent Claim 80 words
An integrated circuit chips cooling module according to claim 1, 2 or 3, characterized in that the coolant is water and the high-molecular compound (14) is a polymer which is formed by reacting under anhydrous conditions a reactive polysiloxane having a hydroxyl group at both ends with a polyfunctional silane compound and which, upon reacting with the water, undergoes a condensation reaction of the alcohol elimination type and becomes hardened, thereby yielding an organic silicone rubber and a by-product alcohol.
Claim 7
Dependent Claim 46 words
An integrated circuit chips cooling module according to any of claims 1 to 5, characterized in that there is provided a means (15) for detecting the coolant leakage by detecting the by-product formed in the curing reaction of the high-molecular compound (14) with the leaked coolant.
Claim 8
Dependent Claim 73 words
An integrated circuit chips cooling module according to claim 6, characterized in that the coolant leakage detection means comprises (a) a detection sensor (15) for detecting the by-product formed in the curing reaction of the high-molecular compound (14) curable upon reaction with the coolant and (b) a circuit which, in response to the signal from said detection sensor (15), transmits at least either a leak detection alarm or a leak detection display (16).
Claim 9
Dependent Claim 24 words
An integrated circuit chips cooling module according to claim 7, characterized in that the detection sensor (15) is a sensor for detecting an alcohol.
Claim 10
Dependent Claim 127 words
An integrated circuit chips cooling module comprising a plurality of integrated circuit chips (2) mounted on a wiring substrate (3); a plurality of cooling members (1) which allow a coolant to flow inside them and which are thermally coupled with each of said integrated circuit chips (2); and a coolant flow system (5, 7, 10) which allows the coolant to flow through a plurality of said cooling members (1), characterized by being provided with coated portions for each portion of the surface of said coolant flow system (5, 7, 10) where the leakage of the coolant may possibly take place, the coating of said coated portions comprising an organic or inorganic high-molecular compound (14) which is curable by reacting with the coolant keep the latter from leakage.
Claim 11
Dependent Claim 127 words
An integrated circuit chips cooling module comprising a plurality of integrated circuit chips (2) mounted on a wiring substrate (3); a plurality of cooling members (1) which allow a coolant to flow inside them and which are thermally coupled with each of said integrated circuit chips (2); and a coolant flow system (5, 7, 10) which allows the coolant to flow through a plurality of said cooling members (1), characterized by being provided with coated portions for each portion of the surface of said coolant flow system (5, 7, 10) where the leakage of the coolant may possibly take place, the coating of said coated portions comprising an organic or inorganic high-molecular compound (14) which is curable by reacting with the coolant keep the latter from leakage.
Claim 12
Dependent Claim 36 words
An integrated circuit chips cooling module according to claim 9, characterized in that the coated portion is a coating layer comprising the high-molecular compound (14) which is applied to the surface of the coolant flow system.
Claim 13
Dependent Claim 34 words
An integrated circuit chips cooling module according to claim 9, characterized in that the surface of a portion of the coolant flow system has a double-wall structure (17, 10) filled with the high-molecular compound.
Claim 14
Dependent Claim 42 words
An integrated circuit chips cooling module according to claim 9, characterized in that the coated portion is provided on the surface of a bellows-like pipe member (10) which allows the coolant to flow into and from each of the cooling members (1).
Claim 15
Dependent Claim 49 words
An integrated circuit chips cooling module according to any of Claims 9 to 12, characterized in that the coolant is water and the high-molecular compound (14) is a polymer formed by the reaction under anhydrous conditions between a reactive polysiloxane and a polyfunctional silane compound having a hydrolyzable group.
Claim 16
Dependent Claim 87 words
An integrated circuit chips cooling module according to any of Claims 9 to 12, characterized in that the coolant is water and the high-molecular compound (14) is a polymer which is formed by the reaction under anhydrous conditions between a reactive polysiloxane having a hydroxyl group at both ends and a polyfunctional silane compound having an alkoxyl group and which, upon reacting with the water, undergoes a condensation reaction of the alcohol elimination type and becomes cured, thereby yielding an organic silicone rubber and a by-product alcohol.
Claim 17
Dependent Claim 45 words
An integrated circuit chips cooling module according to any of Claims 9 to 14, characterized in that there is provided a means (15) for detecting the coolant leakage by detecting the by-product formed in the curing reaction of the high-molecular compound with the leaked coolant.
Claim 18
Dependent Claim 74 words
An integrated circuit chips cooling module according to Claim 15, characterized in that the coolant leakage detection means comprises (1) a detection sensor (15) for detecting the by-product formed in the curing reaction of the high-molecular compound which is curable upon reaction with the coolant and (b) a circuit which, in response to the signal from said detection sensor (15), transmits at least either a leak detection alarm or a leak detection display (16).
Claim 19
Dependent Claim 24 words
An integrated circuit chips cooling module according to Claim 16, characterized in that the detection sensor (15) is a sensor for detecting an alcohol.
Claim 20
Dependent Claim 167 words
An integrated circuit chips cooling module (100) comprising a plurality of integrated circuit chips (2) mounted on a wiring substrate (3); a plurality of cooling members (1) which allow a coolant to flow inside them and which are thermally coupled with each of said integrated circuit chips (2); a hut member (5) which, jointly with said wiring substrate (3), seals off said integrated circuit chips (2) and cooling members (1); and a coolant flow system (5, 7, 10) which allows a coolant to flow into and from each of said cooling members as well as to circulate through the cooling members (1) and which has bellows-like members (10) to connect coolant channels (7) to each cooling member (1) enclosed in said hut member (5), characterized by being provided with a coated portion on the surface of each of said bellows-like members (10), said coated portion comprising an organic or inorganic high-molecular compound (14) which is curable upon reaction with the coolant to keep the latter from leakage.
Claim 21
Dependent Claim 167 words
An integrated circuit chips cooling module (100) comprising a plurality of integrated circuit chips (2) mounted on a wiring substrate (3); a plurality of cooling members (1) which allow a coolant to flow inside them and which are thermally coupled with each of said integrated circuit chips (2); a hut member (5) which, jointly with said wiring substrate (3), seals off said integrated circuit chips (2) and cooling members (1); and a coolant flow system (5, 7, 10) which allows a coolant to flow into and from each of said cooling members as well as to circulate through the cooling members (1) and which has bellows-like members (10) to connect coolant channels (7) to each cooling member (1) enclosed in said hut member (5), characterized by being provided with a coated portion on the surface of each of said bellows-like members (10), said coated portion comprising an organic or inorganic high-molecular compound (14) which is curable upon reaction with the coolant to keep the latter from leakage.
Claim 22
Dependent Claim 82 words
An integrated circuit chips cooling module according to Claim 18, characterized in that the coolant is water and the high-molecular compound (14) is a polymer which is formed by the reaction under anhydrous conditions between a reactive polysiloxane having a hydroxyl group at both ends and polyfunctional silane compound having an alkoxyl group and which, upon reacting with the water, undergoes a condensation reaction of the alcohol elimination type and becomes cured, thereby yielding an organic silicone rubber and a by-product alcohol.
Claim 23
Dependent Claim 39 words
An integrated circuit chips cooling module according to Claim 18, wherein there is provided a means for detecting (15) the coolant leakage by detecting the by-­product formed in the curing reaction of the high-­molecular compound with the leaked coolant.

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