WO2016170777A1 - 放熱機構およびそれを備えた装置 - Google Patents
放熱機構およびそれを備えた装置 Download PDFInfo
- Publication number
- WO2016170777A1 WO2016170777A1 PCT/JP2016/002107 JP2016002107W WO2016170777A1 WO 2016170777 A1 WO2016170777 A1 WO 2016170777A1 JP 2016002107 W JP2016002107 W JP 2016002107W WO 2016170777 A1 WO2016170777 A1 WO 2016170777A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat
- heat dissipation
- film
- dissipation mechanism
- low friction
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20472—Sheet interfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3735—Laminates or multilayers, e.g. direct bond copper ceramic substrates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3737—Organic materials with or without a thermoconductive filler
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
Definitions
- the present invention relates to a heat dissipation mechanism, and more particularly to a heat dissipation mechanism for a communication infrastructure device.
- various heat dissipation mechanisms are used in order to efficiently release the heat generated by the heat generating components.
- a device with a strong demand for miniaturization such as a communication infrastructure device such as an outdoor base station device
- the heat dissipation mechanism also needs to be devised.
- a heat dissipation component is provided with a heat dissipation plate, a heat dissipation sheet such as a heat conductive silicon sheet or a heat dissipation pad, and a heat generation component and a heat dissipation body (heat dissipation fins are provided).
- a heat dissipation plate a heat dissipation plate
- a heat dissipation sheet such as a heat conductive silicon sheet or a heat dissipation pad
- a heat generation component and a heat dissipation body heat dissipation fins are provided.
- heat generated by the heat-generating component is radiated to the space in the device (housing), so that a large space is required in the device, and it is difficult to reduce the size of the device.
- the heat dissipation sheet or heat dissipation pad is limited in shape, so it cannot be used depending on the surface shape of the heat generating component or heat dissipation body. Furthermore, since a thickness of several millimeters is required, the apparatus cannot be sufficiently downsized.
- the heat dissipation grease has fluidity, so there is no restriction on the shape, and furthermore, it can be thinned to a thickness that can fill the gap between the heat generating component and the heat dissipating body, thereby reducing the size of the device. It becomes possible to plan.
- Patent Document 2 relates to a process of filling a heat conductive fluid.
- a high heat conductive grease which is a heat conductive fluid, is applied to a heat transfer surface of a heat generating element in a dot shape, and a cooling body is pressed from above the heat generating element. It has been proposed to spread high thermal conductive grease.
- Patent Document 2 it is proposed to fill the heat transfer surface of the heating element with the high thermal conductivity grease by spreading the high thermal conductivity grease in this way.
- the heat dissipation grease has a relatively strong adhesive force
- the heat generating component and the heat dissipation structure are stuck by the heat dissipation grease, and during adjustment of the device or maintenance of the device
- the degree of difficulty in disassembling the apparatus is increased. For this reason, there is a possibility that various components mounted on the substrate may be damaged, for example, when the substrate of the heat generating component is bent during the disassembling operation of the apparatus.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide a heat dissipating mechanism capable of reducing the difficulty of disassembling work while reducing the size of the apparatus, and an apparatus including the same.
- the heat dissipation mechanism includes a heat dissipator that releases heat to the outside, and the heat generating element that generates heat and the heat dissipator are formed of a thermally conductive material having fluidity, and the heat dissipator or It is in thermal contact with a low friction film having a friction coefficient lower than that of the heating element.
- the device according to the present invention includes a heating element that generates heat and the above-described heat dissipation mechanism.
- FIG. 1 is an exploded perspective view schematically showing a communication infrastructure apparatus according to the first embodiment of the present invention.
- a communication infrastructure apparatus 1 shown in FIG. 1 includes an internal apparatus 2 and casing constituent members 3 and 4.
- the communication infrastructure device 1 is a device provided with a heat dissipation mechanism, for example, a communication device such as a wireless base station installed outdoors.
- the internal device 2 includes a substrate 21 and a heat generating component 22 provided on the substrate 21.
- the heat generating component 22 is a heat generating element that generates heat.
- the casing constituent members 3 and 4 are members constituting the casing of the communication infrastructure apparatus 1 and are combined so as to face each other, thereby forming an accommodation space for accommodating the internal apparatus 2 therebetween.
- the casing component member 4 has a heat dissipation structure 41 that releases heat.
- casing structural member 4 functions as a thermal radiation body which discharge
- the casing component member 4 is referred to as a radiator 4.
- the heat dissipation structure 41 includes a plurality of heat dissipation fins.
- FIG. 2 is a cross-sectional view of the communication infrastructure device 1 along the line AA in FIG. Note that the casing member 3 is not shown in FIG. 2 because it is not directly related to the present invention.
- the radiator 4 and the heat generating component 22 provided on the substrate 21 are in thermal contact with each other via the heat conductive film 32 and the low friction film 31.
- the heat generating component 22, the low friction film 31, the heat conductive film 32, and the heat radiating body 4 are provided in this order, but the heat generating component 22, the heat conductive film 32, the low friction film 31, and the heat radiating body 4 are provided in this order. It may be provided.
- the heat radiator 4, the low friction film 31, and the heat conduction film 32 form a heat dissipation mechanism that releases heat generated in the heat generating component 22 to the outside of the communication infrastructure device 1.
- the low friction film 31 has a friction coefficient lower than the friction coefficient of the radiator 4 or the heat generating component 22. Specifically, the low friction film 31 has a lower friction coefficient than the friction coefficient of the radiator 4 and the heat generating component 22 that is in physical contact with the low friction film 31. Therefore, in this embodiment, since the low friction film 31 is in physical contact with the heat generating component 22, a low friction film 31 having a friction coefficient lower than that of the heat generating component 22 is used. Further, when the low friction film 31 is in physical contact with the radiator 4, a low friction film 31 having a friction coefficient lower than that of the radiator 4 is used.
- the low friction film 31 is formed using various lubricants such as a fluorine-based lubricant. Thereby, it is possible to reduce the thickness of the low friction film 31, and it is possible to suppress a decrease in thermal conductivity between the heat generating component 22 and the radiator 4. Furthermore, it is possible to reduce the generation of air layers (bubbles) that provide a heat insulation effect, and to ensure a heat dissipation effect.
- various lubricants such as a fluorine-based lubricant.
- the lubricant may be a liquid lubricant, but is preferably formed of a dry film lubricant having age-hardening properties, and particularly preferably formed of a dry film lubricant containing no oil.
- a dry film lubricant particularly, a dry film lubricant that does not contain oil
- the force required to peel off the radiator 4 and the heat generating component 22 is increased. This is because it can be particularly reduced.
- the dry film lubricant as a lubricant, the low friction film 31 can be thinned to a thickness of the order of several ⁇ m, and the application work for applying the lubricant can be improved. is there.
- the dry film lubricant preferably has quick drying properties. Moreover, when a fluorine-type lubricant is used, the quality change of the low friction film 31 due to heat can be suppressed.
- the heat conductive film 32 is formed of heat dissipating grease which is a heat conductive material having fluidity.
- the heat dissipating grease is, for example, silicon-based grease.
- the heat dissipation grease is curable, and the heat conductive film 32 is applied to the heat generating component 22 with heat dissipation grease, and then the heat dissipation grease is an elastic body having a predetermined hardness (elasticity having shape restoring properties). It is formed by curing to the body.
- the type of heat dissipating grease can be selected as appropriate according to the type of heat generating component 22 and the like, but a two-component composition is desirable.
- the heat-dissipating grease by the two-component composition is less likely to move down and move less even at high temperatures. It should be noted that the heat dissipation grease has little change with time after being cured, and even if a slight change occurs in the distance between the heat generating component 22 and the heat dissipating body 4 due to vibration or impact, the heat dissipation grease follows the change. Therefore, a stable heat dissipation mechanism can be realized.
- the heat generating component 22 and the heat radiating body 4 include the heat conduction film 32 formed of a heat conductive material having fluidity, and the coefficient of friction between the heat generating component 22 or the heat radiating member 4. It is in thermal contact with the low friction film 31 having a lower friction coefficient. For this reason, since the low friction film 31 is provided between the heat conductive film 32 and the heat generating component 22 or the heat radiating body 4, it is possible to reduce the fixing force of the heat conductive film 32 by the low friction film 31. .
- the heat conductive film 32 even if a material having a strong fixing force such as heat radiation grease is used as the heat conductive film 32, it is possible to prevent the heat generating component 22 and the heat radiating body 4 from being attached by the heat conductive film 32. Thus, it is possible to reduce the difficulty of the disassembling work while reducing the size of the communication infrastructure device 1.
- FIG. 3 is a diagram for explaining a method for evaluating a peeling load.
- a low-friction film 31 is formed by applying a lubricant with a brush 5 to the top surface of the heat generating component 22 provided on the substrate 21.
- the heat radiation grease 6 is applied on the low friction film 31.
- the heat radiating body 4 is attached so as to press the heat radiating body 4 from above the heat radiating grease 6.
- the heat dissipating grease 6 is spread and is in close contact with the heat dissipating body 4.
- the heat dissipating grease 6 is hardened to form the heat conductive film 32.
- the radiator 4 is pulled in the vertical direction (in the direction of the arrow in the figure) and added to the radiator 4 when the radiator 4 is peeled off from the heat generating component 22.
- the vertical force is evaluated as the peeling load.
- Table 1 shows the evaluation results of the peeling load. Specifically, Table 1 shows that for each of the cases where the surface material of the heat generating component is resin and sheet metal, the lubricant that is a material forming the low friction film 31 contains a dry film lubricant that does not contain oil, and oil. The peeling load in the case of the dry film lubricant and the liquid lubricant and as a comparative example when there is no low friction film 31 are shown.
- the peeling load is generally smaller than when the lubricant is not present.
- the lubricant is a dry film lubricant containing no oil, it can be seen that the peeling load is much smaller than that when no lubricant is present.
- the illustrated configuration is merely an example, and the present invention is not limited to the configuration.
- the communication infrastructure apparatus 1 has two casing constituent members 3 and 4, and one of the casing constituent members 4 has a configuration that functions as a heat radiator.
- the configuration and shape of the body are not limited to this example.
- the apparatus provided with the heat dissipation mechanism is not limited to the communication infrastructure apparatus 1 and may be another apparatus.
- a lubricant for forming the low friction film 31 when the heat radiating body 4 and the heat generating component 22 are peeled off, before the force applied to the heat radiating body 4 reaches the peeling load as shown in Table 1.
- a material that can break the low friction film 31 may be used.
- Appendix 1 It has a heat radiator that releases heat to the outside.
- the heat generating element that generates heat and the heat dissipating body include a heat conductive film formed of a heat conductive material having fluidity, and a low friction film having a friction coefficient lower than that of the heat dissipating body or the heat generating element.
- a heat dissipation mechanism that is in thermal contact with each other.
- Appendix 2 The heat dissipation mechanism according to appendix 1, wherein the low friction film is formed of a dry film lubricant.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Ceramic Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
[付記1]
熱を外部に放出する放熱体を備え、
発熱する発熱体と前記放熱体とが、流動性を有する熱伝導性材料で形成された熱伝導膜と、前記放熱体または前記発熱体の摩擦係数よりも低い摩擦係数を有する低摩擦膜とを介して熱的に接触している、放熱機構。
[付記2]
前記低摩擦膜は、乾燥被膜潤滑剤で形成される、付記1に記載の放熱機構。
[付記3]
前記低摩擦膜は、油分を含まない、付記2に記載の放熱機構。
[付記4]
前記低摩擦膜は、フッ素系潤滑剤で形成される、付記1ないし3のいずれか1項に記載の放熱機構。
[付記5]
前記熱伝導性材料は、硬化性を有する、付記1ないし4のいずれか1項に記載の放熱機構。
[付記6]
前記熱伝導性材料は、二液型組成物である、付記5に記載の放熱機構。
[付記7]
前記熱伝導性材料は、シリコン系グリスである、付記1ないし6のいずれか1項に記載の放熱機構。
[付記8]
前記熱伝導膜は、前記発熱体と物理的に接触し、
前記低摩擦膜は、前記熱伝導膜および前記放熱体と物理的に接触し、前記放熱体の摩擦係数よりも低い摩擦係数を有する、付記1ないし7のいずれか1項に記載の放熱機構。
[付記9]
前記熱伝導膜は、前記放熱体と物理的に接触し、
前記低摩擦膜は、前記熱伝導膜および前記発熱体と物理的に接触し、前記発熱体の摩擦係数よりも低い摩擦係数を有する、付記1ないし7のいずれか1項に記載の放熱機構。
[付記10]
発熱する発熱体と、
付記1ないし9のいずれか1項に記載の放熱機構と、を有する装置。
[付記11]
当該装置が通信インフラ装置である、付記10に記載の装置。
2 内部装置
3 筐体構成部材
4 放熱体(筐体構成部材)
5 筆
6 放熱グリス
21 基板
22 発熱部品
31 低摩擦膜
32 熱伝導膜
Claims (10)
- 熱を外部に放出する放熱体を備え、
発熱する発熱体と前記放熱体とが、流動性を有する熱伝導性材料で形成された熱伝導膜と、前記放熱体または前記発熱体の摩擦係数よりも低い摩擦係数を有する低摩擦膜とを介して熱的に接触している、放熱機構。 - 前記低摩擦膜は、乾燥被膜潤滑剤で形成される、請求項1に記載の放熱機構。
- 前記低摩擦膜は、油分を含まない、請求項2に記載の放熱機構。
- 前記低摩擦膜は、フッ素系潤滑剤で形成される、請求項1ないし3のいずれか1項に記載の放熱機構。
- 前記熱伝導性材料は、硬化性を有する、請求項1ないし4のいずれか1項に記載の放熱機構。
- 前記熱伝導性材料は、二液型組成物である、請求項5に記載の放熱機構。
- 前記熱伝導性材料は、シリコン系グリスである、請求項1ないし6のいずれか1項に記載の放熱機構。
- 前記熱伝導膜は、前記発熱体と物理的に接触し、
前記低摩擦膜は、前記熱伝導膜および前記放熱体と物理的に接触し、前記放熱体の摩擦係数よりも低い摩擦係数を有する、請求項1ないし7のいずれか1項に記載の放熱機構。 - 前記熱伝導膜は、前記放熱体と物理的に接触し、
前記低摩擦膜は、前記熱伝導膜および前記発熱体と物理的に接触し、前記発熱体の摩擦係数よりも低い摩擦係数を有する、請求項1ないし7のいずれか1項に記載の放熱機構。 - 請求項1ないし9のいずれか1項に記載の放熱機構と、前記発熱体と、を有する装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/566,381 US20180098462A1 (en) | 2015-04-24 | 2016-04-20 | Heat dissipation mechanism and device including the same |
EP16782801.1A EP3288359A4 (en) | 2015-04-24 | 2016-04-20 | Heat dissipation mechanism and device provided with same |
CN201680023651.XA CN107535073A (zh) | 2015-04-24 | 2016-04-20 | 散热机构及包括该散热机构的设备 |
JP2017513971A JPWO2016170777A1 (ja) | 2015-04-24 | 2016-04-20 | 放熱機構およびそれを備えた装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015-089271 | 2015-04-24 | ||
JP2015089271 | 2015-04-24 |
Publications (1)
Publication Number | Publication Date |
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WO2016170777A1 true WO2016170777A1 (ja) | 2016-10-27 |
Family
ID=57143865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2016/002107 WO2016170777A1 (ja) | 2015-04-24 | 2016-04-20 | 放熱機構およびそれを備えた装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20180098462A1 (ja) |
EP (1) | EP3288359A4 (ja) |
JP (1) | JPWO2016170777A1 (ja) |
CN (1) | CN107535073A (ja) |
WO (1) | WO2016170777A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108323090A (zh) * | 2017-01-14 | 2018-07-24 | 郭瑜 | 一种在导热垫应用中减小压缩应力的方法和装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI738353B (zh) * | 2020-05-22 | 2021-09-01 | 微星科技股份有限公司 | 電子裝置 |
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JPH0376147A (ja) * | 1989-08-18 | 1991-04-02 | Hitachi Ltd | 半導体実装モジユール及び冷却構造体 |
JPH10178132A (ja) * | 1996-10-22 | 1998-06-30 | Vlt Corp | 電子部品アセンブリの製造方法 |
JPH1126968A (ja) * | 1997-07-09 | 1999-01-29 | Asia Electron Inc | 基板の冷却装置及び基板放熱用スペーサ |
JP2008074683A (ja) * | 2006-09-25 | 2008-04-03 | Tateho Chem Ind Co Ltd | 被覆酸化マグネシウム粉末、その製造方法及びそれを含む樹脂組成物 |
JP2012109604A (ja) * | 2012-02-09 | 2012-06-07 | Ricoh Co Ltd | 接触部材、電子機器の冷却装置、電子機器及び画像形成装置 |
WO2015102046A1 (ja) * | 2014-01-06 | 2015-07-09 | 三菱電機株式会社 | 半導体装置 |
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JP2592308B2 (ja) * | 1988-09-30 | 1997-03-19 | 株式会社日立製作所 | 半導体パッケージ及びそれを用いたコンピュータ |
JPH036848A (ja) * | 1989-06-03 | 1991-01-14 | Hitachi Ltd | 半導体冷却モジュール |
JPH11135691A (ja) * | 1997-10-31 | 1999-05-21 | Hitachi Ltd | 電子回路装置 |
JP2001110963A (ja) * | 1999-10-14 | 2001-04-20 | Denki Kagaku Kogyo Kk | 放熱スペーサーの製造方法 |
JP4413649B2 (ja) * | 2004-03-03 | 2010-02-10 | 日産自動車株式会社 | 放熱構造体及びその製造方法 |
US8952524B2 (en) * | 2006-04-28 | 2015-02-10 | Juniper Networks, Inc. | Re-workable heat sink attachment assembly |
US7694719B2 (en) * | 2007-01-04 | 2010-04-13 | International Business Machines Corporation | Patterned metal thermal interface |
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2016
- 2016-04-20 EP EP16782801.1A patent/EP3288359A4/en not_active Withdrawn
- 2016-04-20 CN CN201680023651.XA patent/CN107535073A/zh active Pending
- 2016-04-20 WO PCT/JP2016/002107 patent/WO2016170777A1/ja active Application Filing
- 2016-04-20 JP JP2017513971A patent/JPWO2016170777A1/ja not_active Withdrawn
- 2016-04-20 US US15/566,381 patent/US20180098462A1/en not_active Abandoned
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CN108323090A (zh) * | 2017-01-14 | 2018-07-24 | 郭瑜 | 一种在导热垫应用中减小压缩应力的方法和装置 |
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EP3288359A4 (en) | 2018-12-12 |
CN107535073A (zh) | 2018-01-02 |
JPWO2016170777A1 (ja) | 2018-02-08 |
US20180098462A1 (en) | 2018-04-05 |
EP3288359A1 (en) | 2018-02-28 |
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