CN101616570B - Protective cover - Google Patents

Protective cover Download PDF

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Publication number
CN101616570B
CN101616570B CN 200810068113 CN200810068113A CN101616570B CN 101616570 B CN101616570 B CN 101616570B CN 200810068113 CN200810068113 CN 200810068113 CN 200810068113 A CN200810068113 A CN 200810068113A CN 101616570 B CN101616570 B CN 101616570B
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CN
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Grant
Patent type
Prior art keywords
protective cover
top
radiator
heat sink
groove
Prior art date
Application number
CN 200810068113
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Chinese (zh)
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CN101616570A (en )
Inventor
刘剑
张晶
Original Assignee
富准精密工业(深圳)有限公司
鸿准精密工业股份有限公司
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/40Mountings or securing means for detachable cooling or heating arrangements ; fixed by friction, plugs or springs
    • H01L23/4093Snap-on arrangements, e.g. clips
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/367Cooling facilitated by shape of device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Abstract

The invention discloses a protective cover, which is used for protecting heat conducting glue on a radiator. The protective cover corresponds to the top of the radiator coated with the heat conducting glue and is covered above the heat conducting glue; the protective cover comprises a cover plate and a frame body extended from the circumference of the cover plate; the cover plate is correspondingly covered above the top of the radiator; the frame body is attached to the circumference at the top of the radiator; the circumference at the top of the radiator is provided with a groove; and an embedded part which is correspondingly clamped in the groove is formed on the frame body, and the embedded part is formed by the inward heave from the frame body inner wall. Compared with the prior art, the embedded part of the protective cover is correspondingly clamped in the groove at the circumference of the top of the radiator, so the protective cover is firmly matched with the radiator without coating any viscose glue, and can effectively avoid pollution to the heat conducting glue.

Description

保护盖 protection cap

技术领域 FIELD

[0001] 本发明涉及一种保护盖,特别是一种用于保护散热器的导热胶不受污染的保护 [0001] The present invention relates to a protective cover, in particular a thermally conductive adhesive is protected from contamination radiator for protection

to

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背景技术 Background technique

[0002] 目前在电子元件的散热领域,通常在电子元件表面加装一散热器,以便将其所产生的热量及时排出,为使散热器与电子元件表面紧密接触从而减小介面热阻,业者通常在散热器与电子元件的接触表面之间涂布一层具有较好的粘性和较高热传导率的导热胶,使得散热器与发热电子元件的表面接触更加紧密,从而增强热传导效果。 [0002] Currently in the field of heat of electronic components, typically installed on a heat sink surface of the electronic component, so as to timely discharge the heat it generates, as the heat sink in intimate contact with the surface of the electronic component to reduce the thermal resistance of the interface, industry typically the contact surface between the heat sink and electronic component coated with a layer of thermally conductive adhesive having good adhesion and high thermal conductivity, such that the surface contacting the heat sink and heat-generating electronic component more closely, thereby enhancing the heat conduction effect. 但是,由于导热胶是一种膏状易污染性化学物质,因此有必要对导热胶进行保护。 However, since the adhesive is a heat conductive paste easily contaminated chemicals, it is necessary to protect the heat conductive adhesive.

[0003] 现有的保护盖通常在散热器顶部涂敷的导热胶上对应具有一矩形的盖体罩设该导热胶。 [0003] The conventional protective cap having a generally rectangular shape corresponding to the cap cover disposed on the thermally conductive thermal plastic adhesive coated on top of the heat sink. 在一定程度上,现有技术可以有效地保护导热胶。 To some extent, the prior art can be effectively protected thermally conductive adhesive. 然而,常见的保护盖一般是通过利用粘贴的方式固定到散热器上的,这种固定方式需要涂抹粘胶不仅在操作上较为繁琐, 且在散热器的运输过程中,容易使保护盖与散热器之间会发生相对滑动而令保护盖松动甚至脱落,一方面会刮伤并污染导热胶,另一方面导热胶同时造成对周围环境的污染。 However, a common protective cover is typically secured by the use of pasting to the heat sink, such a fixed approach requires not only the adhesive applicator is troublesome in operation and during transport of the radiator, and the radiator cover easily so that relative sliding occurs while the protective cover is loose or even fall off, one hand scratching and contaminating the thermal adhesive between devices, on the other hand thermal plastic pollution to the surrounding environment.

发明内容 SUMMARY

[0004] 有鉴于此,有必要提供一种安装便捷且配合牢固的保护盖。 [0004] In view of this, it is necessary to provide a secure fit and easy mounting of the protective cover.

[0005] 一种保护盖,用于保护一散热器上的导热胶,该保护盖与涂有导热胶的散热器顶部对应并罩设于该导热胶上方,其包括一盖板及由该盖板周缘延伸而出的一框体,该盖板对应罩置于散热器顶部上方,该框体贴合于所述散热器顶部的周缘,所述散热器顶部的周缘开设有沟槽,所述框体上形成有对应卡置于所述沟槽内的嵌入部,所述嵌入部由框体内壁向内凸起而成。 [0005] A protective cover, for protecting a thermally conductive adhesive on a heat sink, the protective cover and a radiator coated with a top cover and a corresponding heat conductive adhesive disposed above the heat conductive adhesive, which includes a cover of the lid and plate extending from the peripheral edge of a frame, corresponding to the cover plate placed over the top of the radiator, which generally conform to the periphery of the frame at the top of the heat sink defines a peripheral edge of the top of the trench, the frame corresponding to the card body is formed with a fitted portion disposed within said groove, the insert portion raised from the inner wall of the housing inwardly.

[0006] 与现有技术相比,本发明之保护盖的嵌入部对应卡置于所述散热器的顶部周缘开设的沟槽内,使得所述保护盖与散热器配合牢固而无需涂抹任何粘胶,可以有效地避免导热胶受到污染。 [0006] Compared with the prior art, the protective cover of the present invention is fitted within the portion corresponding to the card placed on the top peripheral edge of the heat sink defines a groove, so that the protective cover is firmly fitted to the heat sink without any adhesive applicator glue, a thermally conductive adhesive can effectively avoid contamination.

[0007] 下面参照附图,结合具体实施例对本发明作进一步的描述。 [0007] The following embodiments in conjunction with specific embodiments of the present invention will be further described with reference to the drawings. 附图说明 BRIEF DESCRIPTION

[0008] 图1是本发明一优选实施例的保护盖与一散热器的立体分解图。 [0008] FIG. 1 is an embodiment of the present invention, the protective cover and an exploded perspective view of a preferred embodiment of a heat sink.

[0009] 图2是图1中的倒置图。 [0009] FIG. 2 is an inverted view of FIG.

[0010] 图3是图1中保护盖与散热器的立体组合图。 [0010] FIG. 3 is a view of the protective cover 1 and a perspective assembled view of the heat sink.

[0011] 图4是图3沿IV-IV线的剖视图。 [0011] FIG. 4 is a sectional view taken along line IV-IV of FIG.

具体实施方式 detailed description

[0012] 请参阅图1,为本发明一优选实施例的保护盖10与一散热器20立体图。 [0012] Referring to FIG 1, a preferred embodiment example of the protection 10 a perspective view of a radiator cap 20 of the present invention. 该散热器 The radiator

320用于吸收并散发一发热电子元件(图未示)如中央处理器所产生的热量,该散热器20的顶部与该发热电子元件接触,一导热胶(图未示)涂敷在该散热器20的顶部,该保护盖10 罩设于该散热器20的顶部以保护导热胶。 320 for absorbing and distributing a heat generating electronic component (not shown) as the heat generated by the central processor, the top of the heat sink 20 in contact with the heat generating electronic component, a thermally conductive adhesive (not shown) in which heat is applied top 20, the protective cover 10 covers the top of the heat sink 20 is provided to protect the heat conductive adhesive.

[0013] 请一并参阅图2,所述保护盖10整体上为一中空壳体,采用塑料或金属材料等一体形成。 [0013] Referring to FIG. 2, the protective cover is a hollow housing 10 as a whole, like a plastic or metallic material integrally formed. 该保护盖10包括一水平盖板12、由该盖体12外周缘向下延伸出的一框体14。 The protective cover 10 comprises a horizontal plate 12, the cover 12 from the outer periphery of a downwardly extending frame member 14. 所述盖板12在外形上与所述散热器20的顶部相对应,在本实施例中该盖板12大致呈缺角的矩形状,其前端部分向内并拢延伸而呈正梯形形状。 The cover plate 12 in the shape of the top of the heat sink 20 corresponds, in the present embodiment, the cover plate 12 is substantially rectangular cutaway of the distal end portion thereof extends inwardly together positively trapezoidal shape. 所述框体14由所述盖板12的外周缘垂直向下延伸而出,从而在所述保护盖10内部形成一容置空间16。 The housing 14 by a vertically downward extending from an outer peripheral edge of the cover plate 12 so as to form a receiving space 16 inside the protective cover 10. 该框体14的底部端缘水平向外延伸出一折边18,便于把持所述保护盖10。 The bottom horizontal edge of the frame member 14 extending outwardly a flange 18 to facilitate gripping of the cover 10. 所述框体14前端面的中部向内凸起形成一凸肋142,所述框体14的后端面间隔向内凸起形成二凸肋142。 The middle frame body 14 is formed inwardly projecting distal end face of a rib 142, the rear end surface of the housing 14 two spaced inwardly projecting ribs 142 are formed. 所述凸肋142呈长条形,其延伸方向与所述盖板12所在平面相互垂直。 The ribs 142 elongated strip, the plane 12 extending perpendicular to each other direction of the cap plate. 所述框体14的二侧面靠近底部处分别向内呈圆弧状凸起而形成二嵌入部144。 The two side surfaces 14 of the housing near the bottom are fitted two inwardly convex arcuate portion 144 is formed. 所述嵌入部144整体上呈长条形,其延伸方向平行于所述盖板12所在平面。 The insert portion 144 as a whole elongated strip extending a direction parallel to the plane of the cover plate 12.

[0014] 上述散热器20由铜、铝等导热性能良好的金属材料一体形成,其包括一基板22及由该基板22延伸出的若干散热鳍片M。 [0014] The heat sink 20 is integrally formed of a good copper, aluminum, thermal conductivity metal material, it includes a substrate 22 and a plurality of fins extending from the substrate 22 M. 由所述基板22底面的中部倾斜向下向外对称延伸出二导热臂26。 Inclined from the middle bottom surface of the substrate 22 downwardly and outwardly extending symmetrical two conducting arms 26. 该基板22顶部的中部垂直向上凸伸出一吸热部观。 Central vertical substrate 22 at the top of the upwardly convex portion projecting endothermic View. 所述吸热部观的顶面与所述电子元件相紧密接触,所述导热胶对应涂敷于该吸热部观的顶面。 The top surface of the heat-absorbing portion in close contact with the electronic component concept, the thermally conductive adhesive is applied to the heat-absorbing portion corresponding to the top surface of the concept. 该吸热部观的形状与保护盖10的容置空间16的形状对应一致,其整体上大致呈缺角的矩形状,其前端部向内并拢延伸而呈正梯形形状。 16 the shape of the shape of the protective cover to the heat absorbing portion Concept accommodating space 10 corresponds to the same, which substantially rectangular shape as a whole cutaway, a front end portion thereof extends inwardly together positively trapezoidal shape. 该吸热部观的二侧面靠近底部处分别形成一沟槽观2。 The heat absorbing portion of the second side near the bottom of View of the View of a groove 2 formed separately. 所述沟槽282呈长条形并与吸热部观的底面相平行。 The groove 282 is parallel to the elongated strip and the bottom surface of heat sink portion View. 所述二沟槽282在外形上与所述保护盖10的二嵌入部144相对应互补,以供所述保护盖10的二嵌入部144对应嵌入。 The two grooves 282 in the shape of two portions 144 fitted with the protective cover 10 corresponding complementary protective cover for the fitted portion 10 of the two insert 144 corresponds. 所述嵌入部144的尺寸大小略大于凹槽282,以使嵌入部144过盈地嵌入凹槽282内而达到紧固的效果。 The insert portion 144 is slightly larger than the size of the grooves 282, 144 so that the fitted portion fitted with interference in the groove 282 to achieve a fastening effect. 所述散热鳍片M由所述二导热臂26延伸而出,包括由每一导热臂沈下表面竖直向下延伸而出的若干相互平行间隔的第一散热鳍片240及由每一导热臂沈的相对上表面水平向外延伸出的若干平行间隔的第二散热鳍片242。 The heat-dissipating fins extending from M by the two heat conducting arm 26, comprising a plurality of first fins by each surface of the thermal sink vertically downward extending from the arm parallel to each other and spaced apart by each heat conducting arms 240 a second plurality of parallel heat-dissipating fins on opposite surfaces extending horizontally sink 242 outwardly spaced.

[0015] 请同时参阅图3及图4,使用所述保护盖10时,将该保护盖10罩设于所述散热器20的吸热部观上,其中,所述保护盖10的框体14对应套设于所述散热器20的吸热部观的外周,所述保护盖10的二嵌入部144分别对应卡置于所述吸热部观的沟槽观2内,所述保护盖10的三凸肋142发生弹性变形并与所述吸热部观相紧密贴合,所述保护盖10的盖板12对应罩置于所述散热器20的吸热部观之上并平行于该吸热部观的顶面,所述保护盖10与所述吸热部观的顶面共同围成一封闭空间(未标示),以供容纳涂敷于该吸热部观顶面的导热胶30。 [0015] Referring also to FIGS. 3 and 4, using the protection cover 10, the protective cover 10 is provided on the heat sink cover portion of the radiator 20 View, wherein the protective cover 10 of housing 14 corresponding to the outer periphery of the heat absorbing section provided in the sleeve of the concept of the radiator 20, the two protective cover fitted portion 144 disposed within the card 10 corresponds to the heat absorbing portions 2 concept concept groove respectively, said protective cover three ribs 14 210 and is elastically deformed portion of the heat sink in close contact with Outlook, the protective cover plate 10 is placed on the cover 12 corresponding to the heat absorbing portion concept and parallel to the radiator 20 the top surface of the heat absorbing section concept, the top surface of the protective cap 10 with the heat sink portion concept cooperatively define a closed space (not shown), for receiving the thermally conductive coating applied to the top surface of the heat absorbing portion concept glue 30.

[0016] 综上所述,本发明之保护盖10仅需下压其盖板12顶面或折边1 8,将所述二嵌入部144分别对应卡入所述散热器20的吸热部观的二沟槽观2内,即可使所述保护盖10与散热器20牢固配合,可以有效地避免保护盖10滑落而使导热胶受到污染而无需涂抹任何粘胶。 [0016] In summary, the present invention under a protective cover 10 which covers only the pressure surface 12 or the flange 18, the two insert portion 144 is engaged in the corresponding heat-absorbing portion of the heat sink 20 concept concept within two grooves 2, the protective cover 10 to the heat sink 20 is firmly fitted, can effectively prevent the protective cover 10 slip thermally conductive glue applicator contamination without any glue. 且,所述保护盖10的三凸肋142发生弹性变形并与所述吸热部观的外周相紧密贴合,增加了装配所述保护盖10的牢固性。 And the protective cover three elastic ribs 14,210 and deformed portion with the outer circumference of the heat sink in close contact View, increasing the robustness of the protective cover assembly 10. 此外,所述保护盖10的框体14的底部端缘向外延伸出一折边18,在拆卸所述保护盖10时可以作为受力点,便于拆卸。 Further, the protective cover 10 of the housing bottom edge 14 of the flange 18 a extends outwardly in the protection can be detached as a force point, the lid 10 for easy removal.

Claims (9)

  1. 1. 一种保护盖,用于保护一散热器上的导热胶,该保护盖与涂有导热胶的散热器顶部对应并罩设于该导热胶上方,其包括一盖板及由该盖板周缘延伸而出的一框体,该盖板对应罩置于散热器顶部上方,该框体贴合于所述散热器顶部的周缘,其特征在于:所述散热器顶部的周缘开设有沟槽,所述框体上形成有对应卡置于所述沟槽内的嵌入部,所述嵌入部由框体内壁向内凸起而成。 1. A protective cover for protecting the thermally conductive adhesive on a heat sink, the protective cover and a radiator coated with a top cover and a corresponding heat conductive adhesive disposed above the heat conductive adhesive, which includes a cover and the cover plate by a extending from a peripheral edge of the frame body cover corresponding to the cover plate placed over the top of the radiator, which generally conform to the periphery of the frame at the top of the heat sink, wherein: the peripheral groove defines a top of the heat sink, the housing is formed with a corresponding card fitted portion disposed within said groove, the insert portion raised from the inner wall of the housing inwardly.
  2. 2.如权利要求1所述的保护盖,其特征在于:所述嵌入部呈长条形,其延伸方向与所述盖板相平行。 2. A protective cover according to claim 1, wherein: said insert portion elongated strip extending parallel to the direction of the cap plate.
  3. 3.如权利要求2所述的保护盖,其特征在于:所述嵌入部呈圆弧形凸起,且嵌入部的形状与所述沟槽的形状互补,且嵌入部的尺寸大小略大于沟槽。 3. A protective cover according to claim 2, wherein: said insert portion convex circular arc, and the shape of the embedded portion of the trench is complementary to and slightly larger than the size of the embedded portion of the groove groove.
  4. 4.如权利要求1所述的保护盖,其特征在于:所述沟槽呈长条形,其延伸方向平行于所述散热器的顶面。 4. A protective cover according to claim 1, wherein: said elongated strip groove, which extends in a direction parallel to the top surface of the heat sink.
  5. 5.如权利要求1所述的保护盖,其特征在于:所述盖板呈缺角的矩形状,其前端部分向内并拢延伸而呈正梯形形状。 5. A protective cover according to claim 1, wherein: said cover plate has a rectangular shape of the cutaway, a front end portion thereof extends inwardly together positively trapezoidal shape.
  6. 6.如权利要求5所述的保护盖,其特征在于:所述散热器顶部的形状与盖板对应一致且所述沟槽分别开设于所述散热器顶部的相对两侧。 6. A protective cover as claimed in claim 5, wherein: the shape of the cover plate corresponding to the top of the heat sink and the same groove are opened in the opposite sides of the top of the heat sink.
  7. 7.如权利要求1所述的保护盖,其特征在于:所述保护盖的框体间隔向内凸起形成若干抵压散热器顶部周缘的凸肋。 7. A protective cover according to claim 1, wherein: said protective cover member spaced inwardly of the housing are formed a plurality of projections pressed against the top peripheral edge of the radiator rib.
  8. 8.如权利要求7所述的保护盖,其特征在于:所述凸肋呈长条形,其延伸方向与所述盖板相垂直。 8. The protective cover according to claim 7, wherein: said ribs elongated strip extending a direction perpendicular to the cap plate.
  9. 9.如权利要求1所述的保护盖,其特征在于:所述框体由所述盖板的外周缘垂直向下延伸而出,在所述保护盖内部形成一收容所述散热器顶部的容置空间。 9. The protective cover according to claim 1, wherein: said housing body by said cover plate vertically downwardly extending outer peripheral edge out, forming a top of the heat sink housed inside of the protective cover accommodating space.
CN 200810068113 2008-06-25 2008-06-25 Protective cover CN101616570B (en)

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US12261048 US20090321048A1 (en) 2008-06-25 2008-10-30 Heat dissipation assembly

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CN101616570B true CN101616570B (en) 2012-07-04

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US9072199B2 (en) * 2010-12-27 2015-06-30 Src, Inc. Thermal transfer component, apparatus and method including thermally conductive frame penetrated by thermally conductive plug

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