1295943 九、發明說明： 【發明所屬之技術領域】 本發明係有關一種散熱裝置，尤指一種使複數個導熱 元件緊密結合於一設有複數個散熱鰭片的金屬本體内，以 節省材料與加工成本，及達到散熱效果之散熱器及其製造 方法，適用於電腦、通訊、電子儀器或其他發熱電器產品。 【先前技術】 由於現代電腦資訊進步快速，其處理器的工作速度曰 益增快，相伴產生之高溫，必須仰賴高效能的散熱裝置進 行降溫，以維持正常的工作溫度。 請參閱第11圖所示，其為習用的散熱器a，係結合於 一處理器與一風扇之間，該散熱器a主要包括複數個鰭片 al以及一定位各鰭片al的長條形熱導管a2( heat pipe )。 當處理器運轉時，其所產生的熱量可經由熱導管a2傳導至 複數個鰭片al上，再藉由風扇作動使空氣流通，以進行降 溫。 上述各鰭片al與熱導管a2的組合方式，主要包括焊 接及機械加壓二種，以使熱導管與各鰭片結合呈一體，並 使各鰭片之間保持一定的間距。然而，上述诨接加工方法 雖然可使散熱器達到散熱的效果，但在焊接的過程中，若 是熱導管與鰭片為不同材質，則必須於熱導管或鰭片的表 面再加上一層電鍍鎳或化學鎳，才能使熱導管與鰭片結合 呈一體，如此一來，將使製造及材料成本相對增加；而若 以機械加壓方式以使熱導管與鰭片緊配，則必須增加熱導 1295943 管與鰭片加壓緊配之加工成本。 请芩閱第12圖所示，其為另一種習用的散熱器b，其 中，該散熱器b主要包括一設有複數個散熱鰭片b2的金屬 本體Μ ’该金屬本體bi係為鋁擠型裁切而成，於該金屬本 體bl的中央部位設有一上下貫穿的通孔b3，一金屬棒μ 、（鋁棒或銅棒）結合於該通孔b3内部；然而，其散熱效果 並非十分理想。因此，有以巨型熱導管（thermal t〇wer) 直接取代鋁棒或銅棒者，但在實施應 ，熱導管因㈣度過短，仍無法產生良好的=巨 同時，一旦熱導官的作用失效時，該散熱器將完全失去散 熱作用。 另，上述二種習用的散熱器與散熱風扇結合時，由於 ^熱器本身並沒有設置連結的結構’而必須另外藉由一風 扇固定座的辅助’才能使散熱器與散熱風扇準择鎖定不 但增加風扇固定座的材料成本，且增加組裝的時間。 方法：二為了改善上述之缺點’使散熱器及其製造 mr省材料與加工成本，且可達到散熱之效 ，月人積夕年的經驗及不斷的研發改進，遂有本發明 <座生。 【發明内容】 本發明之主要目的在提供一種散熱器之 =將-設有複數個推壓部的加麼元件於置入心:耩 容置空間内時，使各梏厭都从^ v 金屬本體的 屬本心別擠_先置放於金 屬本體内的各導熱元件之方法，俾能使各導熱元件緊密結 6 1295943 合於金屬本體内，以達到散熱之效果。 - 本發明之次要目的在提供一種散熱器，藉由在一設有 複數個散熱鰭片的金屬本體内，緊密結合複數個導熱元件 ~之結構，俾能有效傳導處理器運轉所產生的熱量，達到散 _熱之效果，且可確保導熱元件之作用正常者。 本發明之又一目的在提供一種散熱器，藉由複數個導 熱元件的支撐結構，使複數個散熱鰭片與處理器之間形成 一通風距離，俾能藉由散熱風扇的作動，以快速散熱者。 本發明之再一目的在提供一種散熱器，藉由在金屬本 體的周緣設有複數個定位孔，以直接與散熱風扇螺合，俾 能減化散熱器與風扇之組合加工程序，從而降低加工及材 料成本者。 為達上述發明之目的，本發明所設之散熱器之製造方 法，包括下列步驟：a.提供一包括複數個散熱鰭片的金屬 本體，並於該金屬本體上形成一容置空間及複數個與該容 籲置空間連通的定位部；b.將複數個導熱元件分別置放於各 定位部内；以及c.將一周緣設有複數個推壓部的加壓元件 置入金屬本體的容置空間内，使各推壓部的一端分別擠壓 各導熱元件的周緣，從而使各導熱元件變形而固定於各定 位部内。 實施時，該加壓元件包括一軸桿及複數個擠壓件，該 擠壓件的一端形成推壓部。而在步驟c中，係將複數個擠 壓件置入金屬本體的容置空間内，使各擠壓件共同的一端 形成一穿孔，再以軸桿壓入穿孔内，推動各擠壓件，從而 1295943 ' 使各推壓部分別擠壓各導熱元件的周緣，使各導熱元件變 …形而固定於各定位部内，使各導熱元件與金屬本體緊密貼 合，以達到導熱、散熱的效果。 本發明所設之散熱器，包括一金屬本體、複數個導熱 ~元件以及一加壓元件。該金屬本體包括複數個散熱鰭片， 該金屬本體上設有一容置空間及複數個與該容置空間連通 的定位部；該等導熱元件係分別置放於各定位部内；而該加 壓元件係置放於金屬本體的容置空間内，該加壓元件的周 緣設有複數個推壓部，用以使各推壓部的一端分別擠壓各 導熱元件的周緣，從而使各導熱元件變形而固定於定位部 内。 實施時，該加壓元件可包括一軸桿及複數個擠壓件， 該擠壓件的一端形成推壓部。 實施時，本發明更包括複數個定位孔，該等定位孔係 分別設於金屬本體的周緣，以利用螺絲螺合上方之散熱風 •扇。 為便於對本發明能有更深入的暸解，茲詳述於後： 【實施方式】 請參閱第1〜3圖所示，其為本發明散熱器之製造方法 之較佳實施例，包括下列步驟： a. 提供一包括複數個散熱鰭片21的金屬本體2，並 於該金屬本體2上形成一容置空間22及複數個與 該容置空間22連通的定位部23 ; b. 將複數個導熱元件3分別置放於各定位部23内； 1295943 以及 ' c·將一周緣設有複數個推壓部41的加壓元件4置入 金屬本體2的容置空間22内，使各推壓部41的 一端分別擠壓各導熱元件3的周緣，從而使各導 熱元件3變形而固定於各定位部23内。 、 在步驟b中，該導熱元件3係為圓形的熱導管，任二 個導熱元件3的-端連通，以構成一 u形狀，以將任二個 鲁導熱元件3插入各相對的圓形定位部23中。而在步驟c中， 該等推麼部41 &底部分別設有倒角，以利於推塵部41向 下移動，並擠壓各導熱元件3的周緣。 請參閱第4圖所示，實施時，所述的加壓元件4亦可 包括一轴桿42及複數個擠壓件43，該擠壓件43的一端形 成推壓部41。以於步驟c中，將複數個擠壓件43置入金屬 本的容置空間22内，使各擠壓件^共同的一端形成 牙孔44 (如第5圖所示）’再以一端設為錐形的軸桿 •穿入穿孔44内’向外推動各擠壓件43，從而使移動的各推 壓部41分別擠壓各導熱元件3的周緣，使各導熱元件3變 I而，張’以固定於各定位部23内（如第6圖所示）。 明參閱第2 v 3圖所示’其為本發明散熱器i之第一 也例包括-金屬本體2、複數個導熱元件3以及— 元件4。 該金屬本體2概略呈方形，其包括複數個直立的散埶 ，片U ’該金屬本體2的四邊角上分麟有—圓形定位孔 /金屬本體2的中央部位設有一圓柱形的容置空間 1295943 2 2，四個圓孔形之定位部2 3對稱分佈於該容置空間2 2的 四周，並分別以一長形通道25連通該容置空間22。 該任二個導熱元件3係分別為一 u形熱導管的二端所形 成；而如第7、8圖所示，所述的任一導熱元件3亦可概略 呈L形狀，其上端插入各相對的圓形定位部23中，而下端 則定位於一可導熱之基板9上。 該加壓元件4係呈圓柱形，其周緣延伸設有四個推壓部 鲁41，以分別緊配於上述金屬本體2的容置空間以及四個通 道25中，該四個推壓部41的一端分別擠壓於各導熱元件3 的周緣，使各導熱元件3因變形而分別固定於各定位部23 内。 請參閱第9圖所示，其為本發明之一使用狀態圖該散 熱風扇91係墊高置放於散熱鰭片21的上方，並以四個螺 絲92分別穿過該散熱風扇91，以鎖接於金屬本體2四邊角 的定位孔24内，以使散熱風扇91與金屬本體2結合定位。 •該U形IL形導熱元件3的底端係固定於一可導熱之基板9 上，該基板9貼合於一處理器93的上方。藉此，當處理器 93運轉時，其所產生的熱量可經由基板9傳導至各導熱元 件3,再傳至複數個鰭片21上，而藉由風泰別的作動，可 使熱工氣向下流動，讓鰭片21降溫，從而使處理器⑽運 轉所產生的熱量快速散逸。另，在實施時該導熱元件3 與定位部23之間係塗佈有導熱膏（thermal ，以 加強散熱之效果。 請參閱第10圖所示，其為本發明之另—使用狀態圖， 1295943 其中，本發明散熱器1係以直立方式設置於可導熱之基板9 〃上方，當散熱風扇91與金屬本體2結合定位時，該散熱風 扇91的運轉可使熱空氣以水平方向流動。而藉由上述侧吹 之方式同樣可讓鰭片21快速降溫，使處理器93達到散熱 之效果。 另，請參閱第4圖所示，其為本發明散熱器1之第二實 施例，其中，該加壓元件4包括一圓形軸桿42及四個擠壓 I件43，該擠壓件43較佳為金屬材質，該擠壓件43的一端 形成推壓部41，且該擠壓件43的侧面設有數個相對稱的散 熱片44。藉由該等推壓部41的擠壓，可緊密固定各導熱元 件3於各定位部23内，使各導熱元件3與金屬本體2緊密 貼合，而藉由擠壓件43侧面所凸出的數個散熱片44，則可 加強散熱之效果。 因此，本發明具有以下之優點： 1、 本發明可使各導熱管緊密結合於金屬本體内，以藉由各 • 導熱管的快速導熱特性，有效降低處理器運轉時所產生 的熱量，以延長產品之使用壽命。 2、 本發明可在一金屬本體上結合多個導熱管，倘其中有任 一導熱管失效時，其他有效之導熱管仍能達到散熱之效 果，以確保處理器正常運轉。 3、 本發明可使複數個散熱鰭片與處理器之間形成一距離， 當散熱風扇作動而向下排氣時，能使散熱鰭片上的熱量 快速散去。 4、 本發明可使散熱器與金屬本體直接組合固定，以有效簡 11 1295943 化組合加工程序及降低材料成本。 綜上所述，依上文所揭示之内容，本發明確可達到發 明之預期目的供一種不僅能有效節省加工成本，且可 達到政熱效果之散熱器及其製造方法，極具產業上利用之 價值，爰依法提出發明專利申請。 【圖式簡單說明】 第1圖係為本發明散熱器之製造方法之流程圖。 _第2圖係為本發明散熱器之第一實施例之元件分解圖。 第3圖係為本發明散熱器之第一實施例之俯視圖。 第4圖係為本發明散熱器之第二實施例之元件分解圖。 第5圖係為本發明散熱器之製造方法之各擠壓件共同的一 端形成一穿孔時之俯視圖。 第6圖係為本發明散熱器之製造方法之軸桿穿入穿孔内， 以向外推動各擠壓件時之俯視圖。 第7圖係為本發明散熱器之l形導熱元件與基板結合時之 俯視不意圖。 第8圖係為本發明散熱器之l形導熱元件、金屬本體與基 板結合時之侧視圖。 第9圖係為本發明散熱器之一使用狀態圖。 第10圖係為本發明散熱器之另一使用狀態圖。 第11圖係為一習用散熱器之立體外觀圖。 第12圖係為另一習用散熱器之立體外觀圖。 【主要元件符號說明】 散熱器 金屬本體 2 12 1295943 散熱鰭片 21 容置空間 22 定位部 23 定位孔 24 通道 25 導熱元件 3 加壓元件 4 推壓部 41 軸桿 42 擠壓件 43 散熱片 44 基板 9 散熱風扇 91 螺絲 92 處理器 93 散熱器 a 錯片 al 熱導管 a2 散熱器 b 散熱鰭片 b2 金屬本體 bl 通孑L b3 金屬棒 b41295943 IX. Description of the Invention: [Technical Field] The present invention relates to a heat dissipating device, and more particularly to a plurality of heat conducting elements closely coupled to a metal body having a plurality of heat dissipating fins to save material and processing The cost, and the heat sink and the manufacturing method thereof, are suitable for computers, communication, electronic instruments or other heat-generating electrical products. [Prior Art] Due to the rapid advancement of modern computer information, the speed of its processor is increasing, and the high temperature associated with it must rely on high-efficiency heat sinks to cool down to maintain normal operating temperatures. Referring to FIG. 11 , it is a conventional heat sink a, which is coupled between a processor and a fan. The heat sink a mainly includes a plurality of fins a and a strip shape for positioning the fins a1. Heat pipe a2 (heat pipe). When the processor is in operation, the heat generated by the processor can be conducted to the plurality of fins a1 via the heat pipe a2, and the air is circulated by the fan to perform cooling. The combination of the above fins a1 and the heat pipe a2 mainly includes welding and mechanical pressing, so that the heat pipe and the fins are integrated, and a certain distance is maintained between the fins. However, although the above-mentioned splicing processing method can achieve the heat dissipation effect of the heat sink, if the heat pipe and the fin are made of different materials during the welding process, a layer of electroplated nickel must be added to the surface of the heat pipe or the fin. Or chemical nickel, in order to integrate the heat pipe and the fin, so that the manufacturing and material costs will be relatively increased; and if the heat pipe and the fin are mechanically pressurized, the heat conduction must be increased. 1295943 Processing cost of pipe and fin press. Please refer to FIG. 12, which is another conventional heat sink b, wherein the heat sink b mainly comprises a metal body 设有 having a plurality of heat radiating fins b2. The metal body bi is aluminum extruded. Cutting, a through hole b3 is formed in a central portion of the metal body bl, and a metal rod μ, (aluminum rod or copper rod) is coupled to the inside of the through hole b3; however, the heat dissipation effect is not ideal. . Therefore, there is a direct replacement of aluminum rods or copper rods with a giant heat pipe (thermal t〇wer), but in the implementation, the heat pipe is too short to be able to produce good = giant, once the heat guide When it fails, the heat sink will completely lose its heat dissipation. In addition, when the above two conventional heat sinks are combined with the heat-dissipating fan, since the heat exchanger itself does not have a structure to be connected, it must be additionally assisted by a fan holder to enable the heat sink and the heat-dissipating fan to be locked. Increase the material cost of the fan mount and increase assembly time. Method: In order to improve the above-mentioned shortcomings, the heat sink and its manufacturing mr materials and processing costs, and can achieve the effect of heat dissipation, the experience of the people and the continuous research and development, and the present invention. . SUMMARY OF THE INVENTION The main object of the present invention is to provide a heat sink that will be provided with a plurality of pressing portions for placing the components in the accommodating space: The main body of the body is not crowded _ the method of placing the heat-conducting elements placed in the metal body first, so that the heat-conducting elements can be closely combined with the metal body to achieve the effect of heat dissipation. - A secondary object of the present invention is to provide a heat sink which can effectively conduct heat generated by the operation of the processor by tightly combining a plurality of heat conducting elements in a metal body having a plurality of heat radiating fins , to achieve the effect of scatter_heat, and to ensure that the role of the thermal element is normal. Another object of the present invention is to provide a heat sink, wherein a plurality of heat dissipating fins form a ventilation distance between the plurality of heat dissipating fins and the processor, and the heat dissipating fan can be used to quickly dissipate heat. By. A further object of the present invention is to provide a heat sink which can be directly screwed to a heat dissipating fan by providing a plurality of positioning holes on the periphery of the metal body, thereby reducing the combined processing procedure of the heat sink and the fan, thereby reducing processing. And material cost. For the purpose of the above invention, a method for manufacturing a heat sink according to the present invention includes the following steps: a. providing a metal body including a plurality of heat dissipation fins, and forming an accommodation space and a plurality of the metal body a positioning portion communicating with the accommodation space; b. placing a plurality of heat conducting elements in each positioning portion; and c. placing a pressing member having a plurality of pressing portions on one side of the metal body into the metal body In the space, one end of each pressing portion is pressed against the periphery of each heat conducting element, so that each heat conducting element is deformed and fixed in each positioning portion. In practice, the pressing member includes a shaft and a plurality of pressing members, and one end of the pressing member forms a pressing portion. In the step c, a plurality of pressing members are placed in the accommodating space of the metal body, so that a common end of each pressing member forms a perforation, and then the shaft is pressed into the perforation to push the pressing members. Therefore, 1295543' presses the respective pressing portions to the periphery of each of the heat conducting members, so that the heat conducting members are shaped and fixed in the positioning portions, so that the heat conducting members are closely attached to the metal body to achieve heat conduction and heat dissipation. The heat sink provided by the invention comprises a metal body, a plurality of heat conducting elements and a pressing element. The metal body includes a plurality of heat dissipating fins, and the metal body is provided with an accommodating space and a plurality of positioning portions communicating with the accommodating space; the heat conducting components are respectively disposed in the positioning portions; and the pressing component is respectively disposed The ferrule is disposed in the accommodating space of the metal body, and the pressing member is provided with a plurality of pressing portions on the periphery thereof, so that one end of each pressing portion is respectively pressed around the periphery of each heat conducting member, thereby deforming the heat conducting members. It is fixed in the positioning part. In practice, the pressing member may include a shaft and a plurality of pressing members, and one end of the pressing member forms a pressing portion. In implementation, the present invention further includes a plurality of positioning holes respectively disposed on the periphery of the metal body to screw the upper heat-dissipating wind fan with a screw. In order to facilitate a better understanding of the present invention, it will be described in detail below: [Embodiment] Please refer to FIGS. 1 to 3, which are preferred embodiments of the method for manufacturing the heat sink of the present invention, including the following steps: Providing a metal body 2 including a plurality of heat dissipating fins 21, and forming an accommodating space 22 and a plurality of positioning portions 23 communicating with the accommodating space 22 on the metal body 2; b. The components 3 are placed in the respective positioning portions 23; 1295943 and 'c. The pressing elements 4 having a plurality of pressing portions 41 at one side are placed in the accommodating space 22 of the metal body 2, so that the pressing portions are provided. One end of each of the heat conducting elements 3 is pressed at one end, and the heat conducting elements 3 are deformed and fixed in the respective positioning portions 23. In step b, the heat conducting element 3 is a circular heat pipe, and the ends of any two heat conducting elements 3 are connected to form a u shape to insert any two heat conducting elements 3 into opposite circular shapes. In the positioning unit 23. In step c, the bottom portions of the push portions 41 & are respectively chamfered to facilitate the downward movement of the dust pushing portion 41 and to press the peripheral edge of each of the heat conducting elements 3. Referring to Fig. 4, in the implementation, the pressing member 4 may further include a shaft 42 and a plurality of pressing members 43, and one end of the pressing member 43 forms a pressing portion 41. In the step c, a plurality of pressing members 43 are placed in the accommodating space 22 of the metal, so that the common end of each pressing member is formed with an internal cavity 44 (as shown in FIG. 5). The tapered rods are inserted into the perforations 44 to push the respective extrusion members 43 outwardly, so that the moving pressing portions 41 respectively press the peripheral edges of the respective heat conducting elements 3, so that the respective heat conducting elements 3 become I. The sheet ' is fixed in each positioning portion 23 (as shown in Fig. 6). Referring to Figure 2 v 3, the first example of the heat sink i of the present invention includes a metal body 2, a plurality of heat conducting elements 3, and a component 4. The metal body 2 is substantially square, and includes a plurality of upright divergent sheets. The sheet U' has four corners on the four corners of the metal body 2. The central portion of the circular positioning hole/metal body 2 is provided with a cylindrical receiving portion. The space of the opening portion 2 is symmetrically distributed around the accommodating space 22, and communicates with the accommodating space 22 by an elongated channel 25, respectively. The two heat conducting elements 3 are respectively formed by the two ends of a U-shaped heat pipe; and as shown in Figures 7 and 8, any of the heat conducting elements 3 can also be roughly L-shaped, with the upper end inserted into each The opposite ends are positioned in the circular positioning portion 23, and the lower end is positioned on a thermally conductive substrate 9. The pressing member 4 has a cylindrical shape, and four pressing portions 41 are extended on the periphery thereof to fit in the accommodating space of the metal body 2 and the four passages 25 respectively. The four pressing portions 41 are respectively arranged. One end is pressed against the periphery of each of the heat transfer elements 3, and each of the heat transfer elements 3 is fixed to each of the positioning portions 23 by deformation. Referring to FIG. 9 , it is a state diagram of the present invention. The heat dissipation fan 91 is placed above the heat dissipation fins 21 and is respectively passed through the heat dissipation fan 91 by four screws 92 to lock. The fixing holes 24 are connected to the four corners of the metal body 2 to position the heat dissipating fan 91 in combination with the metal body 2. The bottom end of the U-shaped IL-shaped heat-conducting element 3 is fixed to a thermally conductive substrate 9, which is attached to a processor 93. Thereby, when the processor 93 is in operation, the heat generated by the processor 93 can be transmitted to the heat conducting elements 3 via the substrate 9 and then transmitted to the plurality of fins 21, and the heat can be generated by the action of the wind and the other. The downward flow causes the fins 21 to cool down, so that the heat generated by the operation of the processor (10) is quickly dissipated. In addition, in the implementation, the thermal conductive element 3 and the positioning portion 23 are coated with a thermal paste to enhance the heat dissipation effect. Please refer to FIG. 10, which is another use state diagram of the present invention, 1295943 The heat sink 1 of the present invention is disposed above the heat-conducting substrate 9 直 in an upright manner. When the heat-dissipating fan 91 is combined with the metal body 2, the operation of the heat-dissipating fan 91 allows the hot air to flow in a horizontal direction. The fins 21 can also be cooled rapidly by the above-mentioned side blowing method, so that the processor 93 can achieve the effect of dissipating heat. Further, as shown in FIG. 4, it is the second embodiment of the heat sink 1 of the present invention, wherein The pressing member 4 includes a circular shaft 42 and four pressing members 43. The pressing member 43 is preferably made of a metal material. One end of the pressing member 43 forms a pressing portion 41, and the pressing member 43 A plurality of symmetrical fins 44 are disposed on the side surface. The pressing members 41 can tightly fix the heat conducting elements 3 in the positioning portions 23, so that the heat conducting elements 3 are closely attached to the metal body 2. And a plurality of fins 44 protruding from the side of the extrusion member 43 Therefore, the invention can enhance the effect of heat dissipation. Therefore, the present invention has the following advantages: 1. The invention can tightly bond the heat pipes to the metal body, thereby effectively reducing the operation of the processor by the rapid heat conduction characteristics of the heat pipes. The heat generated by the time to extend the service life of the product. 2. The invention can combine a plurality of heat pipes on a metal body, and if any one of the heat pipes fails, the other effective heat pipes can still achieve the heat dissipation effect. In order to ensure the normal operation of the processor. 3. The invention can form a distance between the plurality of heat dissipation fins and the processor, and when the cooling fan is actuated and exhausted downward, the heat on the heat dissipation fin can be quickly dissipated. 4. The invention can directly combine and fix the heat sink and the metal body to effectively simplify the processing procedure and reduce the material cost of the 11 1295943. In summary, according to the above disclosure, the invention can achieve the expectation of the invention. The purpose is to provide a heat sink and a manufacturing method thereof that can not only effectively save processing costs, but also achieve political heat effect, and have great industrial value. The invention patent application is filed according to law. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a flow chart of a method for manufacturing a heat sink of the present invention. _ Fig. 2 is an exploded view of the first embodiment of the heat sink of the present invention. The figure is a top view of the first embodiment of the heat sink of the present invention. Fig. 4 is an exploded view of the second embodiment of the heat sink of the present invention. Fig. 5 is a view showing the extrusion of the heat sink of the present invention. The top view of the common end of the piece forms a perforation. Fig. 6 is a plan view of the manufacturing method of the heat sink of the present invention, in which the shaft is inserted into the perforation to push the respective extrusion members outward. The plan view of the heat-conducting element of the heat sink is not intended to be combined with the substrate. Fig. 8 is a side view showing the heat-conductive element of the heat sink of the present invention, when the metal body is combined with the substrate. Figure 9 is a diagram showing the state of use of one of the heat sinks of the present invention. Fig. 10 is a view showing another state of use of the heat sink of the present invention. Figure 11 is a perspective view of a conventional heat sink. Figure 12 is a perspective view of another conventional heat sink. [Main component symbol description] Heat sink metal body 2 12 1295943 Heat sink fin 21 accommodating space 22 Positioning portion 23 Positioning hole 24 Channel 25 Heat transfer element 3 Pressurizing element 4 Pushing portion 41 Shaft 42 Extrusion member 43 Heat sink 44 Substrate 9 Cooling fan 91 Screw 92 Processor 93 Heat sink a Mis-piece al Heat pipe a2 Heat sink b Heat sink fin b2 Metal body bl Pass L b3 Metal bar b4