JPH06216551A - Heat sink and its manufacture - Google Patents
Heat sink and its manufactureInfo
- Publication number
- JPH06216551A JPH06216551A JP28491293A JP28491293A JPH06216551A JP H06216551 A JPH06216551 A JP H06216551A JP 28491293 A JP28491293 A JP 28491293A JP 28491293 A JP28491293 A JP 28491293A JP H06216551 A JPH06216551 A JP H06216551A
- Authority
- JP
- Japan
- Prior art keywords
- heat sink
- solder
- extruded shape
- ribs
- extruded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Molten Solder (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、フィンとベースプレー
トとが一体となっているヒートシンクであって、所定形
状の板状の押出形材を複数個重ね合わせて相互に接合し
てなるヒートシンク、及びその製造方法に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat sink in which fins and a base plate are integrated with each other, and a plurality of plate-shaped extruded shape members having a predetermined shape are superposed and bonded to each other, and The present invention relates to a manufacturing method thereof.
【０００２】[0002]
【従来技術及びその問題点】ヒートシンクとしては、例
えば、ベースプレートの表面に複数の溝を形成し、その
溝に各フィンの端縁を接合して構成されたものがある。
接合としては、例えばはんだ付けが行なわれる。しかし
ながら、上記構成のヒートシンクは、個々のフィン毎に
はんだ付けを行なわなければならないため、製造するの
が面倒であった。また、強固な接合を行ないにくく、耐
久性にも問題があった。2. Description of the Related Art As a heat sink, there is, for example, one in which a plurality of grooves are formed on the surface of a base plate and the edges of each fin are joined to the grooves.
As the joining, for example, soldering is performed. However, the heat sink having the above-described structure has to be soldered for each fin, which is troublesome to manufacture. Further, it is difficult to perform strong joining, and there is a problem in durability.
【０００３】[0003]
【発明の目的】本発明は、簡素で強固な構造を有するヒ
ートシンクを提供すること、及びそのヒートシンクを簡
単に製造することができる方法を提供することを目的と
する。OBJECTS OF THE INVENTION It is an object of the present invention to provide a heat sink having a simple and strong structure, and a method capable of easily manufacturing the heat sink.
【０００４】[0004]
【目的を達成するための手段】本発明のヒートシンク
は、フィンとベースプレートとが一体となっているヒー
トシンクであって、厚み方向にリブを有する所定形状の
板状の押出形材が、リブを介して等間隔に複数個重ね合
わされて相互にはんだ又はろう材により接合されて構成
されており、上記はんだ又はろう材は、隣り合う押出形
材とリブとによって構成される隙間に密に充填されてお
り、ベースプレートは、押出形材の上記はんだ又はろう
材による接合部分で構成されており、フィンは、押出形
材の他の部分で構成されていることを特徴としている。The heat sink of the present invention is a heat sink in which fins and a base plate are integrated, and a plate-shaped extruded shape member having a rib in the thickness direction has a rib interposed therebetween. It is constructed by superposing a plurality of pieces at equal intervals and joining each other with solder or brazing material, and the solder or brazing material is densely filled in the gap formed by the adjacent extruded profile and ribs. The base plate is configured by a joint portion of the extruded shape member by the solder or the brazing material, and the fin is configured by another portion of the extruded shape member.
【０００５】本発明のヒートシンクの製造方法は、フィ
ンとベースプレートとが一体となっているヒートシンク
を製造する方法であって、厚み方向にリブを有する所定
形状の板状の押出形材を、リブを介して等間隔に複数個
重ね合わせ、この重ね合わせ体における隣り合う押出形
材とリブとによって構成される隙間の部分を、溶融はん
だ中又は溶融ろう材中に浸漬し、超音波振動を加えるこ
とによって上記隙間に上記はんだ又はろう材を密に充填
させて押出形材を相互に接合することを特徴としてい
る。A method of manufacturing a heat sink according to the present invention is a method of manufacturing a heat sink in which fins and a base plate are integrated with each other, and a plate-shaped extruded shape member having a rib in the thickness direction is formed into a rib. A plurality of them are superposed at equal intervals through the interposition, and the portion of the gap formed by the adjacent extruded shape members and ribs in this superposed body is immersed in molten solder or molten brazing material, and ultrasonic vibration is applied. It is characterized in that the solder or the brazing material is densely filled in the gap to bond the extruded shape members to each other.
【０００６】[0006]
【作用】本発明のヒートシンクにおいては、押出形材相
互は、隙間に密に充填されたはんだ又はろう材によって
接合されているので、強固なものとなる。しかも、所定
形状の押出形材が複数個重ね合わされ相互に接合されて
いるだけであり、また、フィンとベースプレートとが一
体となっているので、構成も簡素である。In the heat sink of the present invention, the extruded shape members are joined to each other by the solder or the brazing material densely filled in the gaps, so that the extruded shape members are strong. In addition, since a plurality of extruded shape members each having a predetermined shape are superposed and joined to each other, and the fin and the base plate are integrated, the structure is simple.
【０００７】本発明のヒートシンクの製造方法において
は、所定形状の押出形材を、複数個重ね合わせ、溶融は
んだ中又は溶融ろう材中に浸漬させて隙間にはんだ又は
ろう材を充填することによって相互に接合するだけであ
るので、非常に簡単である。しかも、隙間へのはんだ又
はろう材の充填を超音波振動を加えて行なうので、はん
だ又はろう材は隙間中の隅々まで十分に入り込み、押出
形材相互の接合は支障なく行なわれる。In the method of manufacturing a heat sink of the present invention, a plurality of extruded shape members having a predetermined shape are superposed and immersed in molten solder or molten brazing filler metal to fill the gaps with solder or brazing filler metal. It is very easy because it is simply joined to. Moreover, since the solder or the brazing filler metal is filled in the gap by applying ultrasonic vibration, the solder or the brazing filler metal sufficiently enters every corner of the gap, and the extruded shape members can be joined to each other without any trouble.
【０００８】[0008]
【実施例】以下、本発明の実施例を図に基づいて説明す
る。 （実施例１）図１は本実施例のヒートシンクを示す側面
図である。このヒートシンク１は、ベースプレート２と
複数のフィン３とが一体となったものであり、図２に示
すアルミニウム製の押出形材４が、複数個重ね合わされ
て相互にはんだ５により接合されて構成されている。は
んだ５としては、アルミニウム部材用はんだである、例
えば９５％Ｚｎ−５％Ａｌが用いられる。Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) FIG. 1 is a side view showing a heat sink of this embodiment. This heat sink 1 is formed by integrally forming a base plate 2 and a plurality of fins 3, and is formed by stacking a plurality of aluminum extruded shape members 4 shown in FIG. ing. As the solder 5, a solder for aluminum member, for example, 95% Zn-5% Al is used.
【０００９】図２及び図２のIII 矢視図である図３に示
すように、押出形材４は、板状のものであり、１枚の薄
板で構成されており、本体４１の片面に２個のリブ４
２、４３が形成されてなるものである。リブ４２、４３
は、本体４１の厚み方向に、フィン３となる部分からみ
て同じ高さａ1だけ突出している。なお、リブ４３は、
本体４１のベースプレート２となる部分からみて高さｂ
1だけ突出している。ここでは、ａ1とｂ1は等しく設定
されている。ヒートシンク１は、複数個の押出形材４
が、リブ４２、４３を一方向に向けて平行に並べられ、
リブ４２、４３を隣りの押出形材４のリブ４２、４３の
ない側の面４１ａに当接させて重ね合わされ、隣り合う
押出形材４とリブ４３とによって構成される隙間６には
んだ５を充填させることにより相互に接合されて、構成
されている。As shown in FIG. 2 and FIG. 3 which is a view taken in the direction of arrow III in FIG. 2, the extruded shape member 4 is a plate-like member and is composed of one thin plate, and is formed on one surface of the main body 41. Two ribs 4
2, 43 are formed. Ribs 42, 43
Protrude in the thickness direction of the main body 41 by the same height a 1 as viewed from the portion that becomes the fin 3. The rib 43 is
The height b when viewed from the portion of the main body 41 that becomes the base plate 2
Only one is protruding. Here, a 1 and b 1 are set to be equal. The heat sink 1 includes a plurality of extruded shape members 4
Are arranged in parallel with the ribs 42 and 43 in one direction,
The ribs 42 and 43 are brought into contact with the surface 41a of the adjacent extruded shape members 4 on the side where the ribs 42 and 43 are not present to be overlapped, and the solder 5 is placed in the gap 6 formed by the adjacent extruded shape members 4 and ribs 43. By being filled, they are bonded to each other and configured.
【００１０】上記構成のヒートシンク１の具体的大きさ
としては、例えば、次のような場合がある。即ち、図１
において、長さＬが４５ｍｍ、フィン３の高さＨ1が３
０ｍｍ、ベースプレート２の高さＨ2が３ｍｍ、押出形
材４の厚さＴが０．８ｍｍ、図２において、ａ1即ちフ
ィン３相互の間隔及びｂ1即ち隙間６の間隔が共に１ｍ
ｍ。なお、ｂ1は、狭すぎるとはんだ５が入り込むこと
ができず、逆に広すぎると入り込んだはんだ５が脱落し
てしまう。ｂ1としては、０．５〜１．５ｍｍが適して
いる。The specific size of the heat sink 1 having the above structure may be, for example, as follows. That is, FIG.
, The length L is 45 mm and the height H 1 of the fin 3 is 3
0 mm, the height H 2 is 3mm of the base plate 2, the thickness T is 0.8mm of extruded profile 4, in FIG. 2, a 1 i.e. fins 3 mutual spacing and b 1 or spacing of the gap 6 are both 1m
m. If b 1 is too narrow, the solder 5 cannot enter. On the contrary, if it is too wide, the solder 5 that has entered falls off. 0.5 to 1.5 mm is suitable as b 1 .
【００１１】次に、上記構成のヒートシンク１の製造方
法について説明する。まず、複数個の押出形材４を、リ
ブ４２、４３を一方向に向けて平行に並べて、リブ４
２、４３を隣りの押出形材４のリブ４２、４３のない側
の面４１ａに当接させて、即ち図４に示すように重ね合
わせる。次に、この重ね合わせ体１０の隙間６を、図５
に示すように、浴７中の溶融はんだ５中に浸漬させ、そ
の状態で、重ね合わせ体１０又は浴７に超音波振動を加
える。重ね合わせ体１０を浸漬させただけでは、押出形
材４の表面に酸化皮膜ができているために溶融はんだ５
がはじかれ、また、溶融はんだ５の表面張力のために隙
間６内に行き渡らず、従って、図６に示すように、溶融
はんだ５は隙間６中に十分には入り込まない。しかし、
超音波振動を加えているので、酸化皮膜が破壊され、こ
のため、押出形材４の表面と溶融はんだ５との濡れが良
くなり、また、溶融はんだ５が振動するために表面張力
が弱くなり、従って、図７に示すように、溶融はんだ５
は隙間６中の隅々まで十分に入り込んでいく。Next, a method of manufacturing the heat sink 1 having the above structure will be described. First, the plurality of extruded shape members 4 are arranged in parallel with the ribs 42 and 43 in one direction, and the ribs 4 are
2, 43 are brought into contact with the surface 41a of the adjacent extruded shape member 4 on the side without the ribs 42, 43, that is, they are overlapped as shown in FIG. Next, the gap 6 of this superposed body 10 is
As shown in FIG. 7, the molten solder 5 in the bath 7 is dipped, and in that state, ultrasonic vibration is applied to the superposed body 10 or the bath 7. If the superposed body 10 is simply immersed, an oxide film is formed on the surface of the extruded shape member 4, so that the molten solder 5
The molten solder 5 is repelled and does not spread into the gap 6 due to the surface tension of the molten solder 5, and therefore, the molten solder 5 does not sufficiently penetrate into the gap 6 as shown in FIG. But,
Since ultrasonic vibration is applied, the oxide film is destroyed, which improves the wettability between the surface of the extruded shape member 4 and the molten solder 5, and the vibration of the molten solder 5 reduces the surface tension. Therefore, as shown in FIG.
Penetrates into every corner of the gap 6.
【００１２】隙間６中にはんだ５が充填されると、重ね
合わせ体１０を溶融はんだ５中から引き上げ、図８に示
すようにはんだ５の隙間６からはみ出している部分５ａ
を機械加工により削り取る。これにより、図１に示す構
成のヒートシンク１が得られる。When the solder 5 is filled in the gap 6, the superposed body 10 is pulled out from the molten solder 5, and the portion 5a protruding from the gap 6 of the solder 5 as shown in FIG.
Are machined away. As a result, the heat sink 1 having the configuration shown in FIG. 1 is obtained.
【００１３】上記方法は、所定形状の押出形材４を、複
数個重ね合わせ、溶融はんだ５中に浸漬させて隙間６に
はんだ５を充填することによって相互に接合するだけで
あるので、非常に簡単である。しかも、上記方法では、
隙間６へのはんだ５の充填を超音波振動を加えて行なう
ので、はんだ５は隙間６中の隅々まで十分に入り込み、
押出形材４相互の接合は支障なく行なわれる。In the above method, a plurality of extruded shape members 4 having a predetermined shape are superposed on each other, immersed in the molten solder 5 and the gap 5 is filled with the solder 5, so that they are joined to each other. It's easy. Moreover, in the above method,
Since the solder 5 is filled in the gap 6 by applying ultrasonic vibration, the solder 5 fully penetrates into every corner of the gap 6,
The extruded shape members 4 are joined to each other without any trouble.
【００１４】そして、上記方法により得られた図１に示
す構成のヒートシンク１は、押出形材４相互が、隙間６
中の隅々まで十分に入り込んだはんだ５によって接合さ
れているので、強固なものとなる。しかも、所定形状の
押出形材４が複数個重ね合わされ相互に接合されている
だけであり、また、フィン３とベースプレート２とが一
体となっているので、構成も簡素である。In the heat sink 1 having the structure shown in FIG. 1 obtained by the above method, the extruded shape members 4 have a gap 6 therebetween.
Since it is joined by the solder 5 that has fully penetrated all the inside, it becomes strong. Moreover, the plurality of extruded shape members 4 having a predetermined shape are simply overlapped and joined to each other, and the fin 3 and the base plate 2 are integrated, so that the structure is simple.
【００１５】（実施例２）図９は本実施例のヒートシン
クを示す側面図、図１０は構成部材である押出形材を示
す側面図、図１１及び図１２はそれぞれ製造方法の一工
程を示す図である。これらの図において、実施例１を示
す図１ないし図８で用いている符号と同じ符号は同じ又
は相当するものを示す。(Embodiment 2) FIG. 9 is a side view showing a heat sink of this embodiment, FIG. 10 is a side view showing an extruded shape member as a constituent member, and FIGS. 11 and 12 show one step of a manufacturing method. It is a figure. In these drawings, the same reference numerals as those used in FIGS. 1 to 8 showing the first embodiment indicate the same or corresponding ones.
【００１６】本実施例のヒートシンク１ａは、図１０に
示すアルミニウム製の押出形材４ａを用いて構成されて
いる。押出形材４ａは、板状のものであるが、２枚の薄
板が一体となって構成されている点で実施例１の押出形
材４（図２）と異なっている。即ち、図１０において、
押出形材４ａは、２枚の薄板４１１、４１２からなる本
体４１の片面４１ｂに、２個のリブ４２、４３が形成さ
れてなるものである。本体４１は、２枚の薄板４１１、
４１２がリブ４２ａ、４３ａを介して平行な状態で一体
化された形状を有している。リブ４２ａはリブ４２の反
対側にリブ４２と同じ大きさで設けられており、リブ４
３ａはリブ４３の反対側にリブ４３の上縁から押出形材
４ａの下端までの高さを有する大きさで設けられてい
る。リブ４２、４３の突出高さａ1、ｂ1は実施例１の場
合と同様である。The heat sink 1a of this embodiment is constructed by using an extruded profile 4a made of aluminum shown in FIG. The extruded profile 4a has a plate shape, but differs from the extruded profile 4 (FIG. 2) of the first embodiment in that two thin plates are integrally formed. That is, in FIG.
The extruded shape member 4a is formed by forming two ribs 42 and 43 on one surface 41b of a main body 41 composed of two thin plates 411 and 412. The main body 41 includes two thin plates 411,
412 has a shape integrated in parallel with each other via the ribs 42a and 43a. The rib 42 a is provided on the opposite side of the rib 42 and has the same size as the rib 42.
3a is provided on the opposite side of the rib 43 in a size having a height from the upper edge of the rib 43 to the lower end of the extruded shape member 4a. The protrusion heights a 1 and b 1 of the ribs 42 and 43 are the same as those in the first embodiment.
【００１７】本実施例のヒートシンク１ａも、実施例１
と同様に、複数個の押出形材４ａが、リブ４２、４３を
一方向に向けて平行に並べられ、リブ４２、４３を隣り
の押出形材４ａのリブ４２、４３のない側の面４１ａに
当接させて重ね合わされ、隣り合う押出形材４ａとリブ
４３とによって構成される隙間６にはんだ５を充填させ
ることにより相互に接合されて、構成されている。The heat sink 1a of this embodiment is also the same as that of the first embodiment.
Similarly, a plurality of extruded shape members 4a are arranged in parallel with the ribs 42 and 43 directed in one direction, and the ribs 42 and 43 are provided on the surface 41a of the adjacent extruded shape member 4a on the side without the ribs 42 and 43. Are abutted against each other and overlapped with each other, and the gaps 6 formed by the adjacent extruded shape members 4 a and the ribs 43 are filled with the solder 5 to be joined to each other.
【００１８】本実施例のヒートシンク１ａの製造方法
も、実施例１と同様である。即ち、まず、複数個の押出
形材４ａを、リブ４２、４３を一方向に向けて平行に並
べて、リブ４２、４３を隣りの押出形材４ａのリブ４
２、４３のない側の面４１ａに当接させて、即ち図１１
に示すように重ね合わせる。次に、この重ね合わせ体１
０ａの隙間６を、図１２に示すように、浴７中の溶融は
んだ５中に浸漬させ、その状態で、重ね合わせ体１０ａ
又は浴７に超音波振動を加える。これにより、溶融はん
だ５は隙間６中の隅々まで十分に入り込んでいく。そし
て、はんだ５の隙間６からはみ出している部分（図８の
５ａに相当）を削り取ることにより、図９に示すヒート
シンク１ａが得られる。The manufacturing method of the heat sink 1a of this embodiment is the same as that of the first embodiment. That is, first, a plurality of extruded shape members 4a are arranged in parallel so that the ribs 42 and 43 are oriented in one direction, and the ribs 42 and 43 are arranged on the ribs 4 of the adjacent extruded shape members 4a.
Abut on the surface 41a on the side without 2, 43, that is, as shown in FIG.
Stack as shown in. Next, this superposed body 1
The gap 6 of 0a is immersed in the molten solder 5 in the bath 7 as shown in FIG.
Alternatively, ultrasonic vibration is applied to bath 7. As a result, the molten solder 5 sufficiently penetrates into every corner of the gap 6. Then, the heat sink 1a shown in FIG. 9 is obtained by scraping off the portion (corresponding to 5a in FIG. 8) protruding from the gap 6 of the solder 5.
【００１９】即ち、本実施例のヒートシンク１ａも、実
施例１と同様に製造され、同様の作用効果を奏する。即
ち、非常に簡単に得られ、製造工程における押出形材４
ａ相互間の接合も支障なく行なわれ、はんだ５によって
接合された強固なものとなり、構成も簡素である。That is, the heat sink 1a of this embodiment is also manufactured in the same manner as in the first embodiment, and has the same operation and effect. That is, it is very easy to obtain and extruded profile 4 in the manufacturing process
The joining between a is performed without any trouble, and the joining is made strong by the solder 5, and the structure is simple.
【００２０】（別の実施例） (1) 図１３は図２におけるａ1をｂ1より大きくした押出
形材４ｂを示し、図１４は押出形材４ｂを用いて構成さ
れたヒートシンク１ｂを示す。ヒートシンク１ｂは図１
に示すヒートシンク１よりフィン３相互の間隔が大きく
なっている。ヒートシンク１ｂもヒートシンク１と同様
に製造される。(Another embodiment) (1) FIG. 13 shows an extruded shape member 4b in which a 1 in FIG. 2 is larger than b 1 and FIG. 14 shows a heat sink 1b formed by using the extruded shape member 4b. . The heat sink 1b is shown in FIG.
The space between the fins 3 is larger than that of the heat sink 1 shown in FIG. The heat sink 1b is manufactured similarly to the heat sink 1.
【００２１】(2) はんだの代わりにろう材を用いてもよ
い。(2) A brazing material may be used instead of the solder.
【００２２】(3) 押出形材４、４ａ、４ｂにおいて、リ
ブ４２は必ずしも設けなくてよい。(3) The ribs 42 do not necessarily have to be provided in the extruded shape members 4, 4a and 4b.
【００２３】(4) 押出形材として、３枚以上の薄板から
なるものを用いてもよい。(4) As the extruded profile, one formed of three or more thin plates may be used.
【００２４】[0024]
【発明の効果】以上のように、本発明のヒートシンク
は、厚み方向にリブ４３を有する所定形状の板状の押出
形材４（又は４ａ、４ｂ）が、リブ４３を介して等間隔
に複数個重ね合わされて相互にはんだ５又はろう材によ
り接合されて構成されており、はんだ５又はろう材は、
隣り合う押出形材４とリブ４３とによって構成される隙
間６に密に充填されており、ベースプレート２は、押出
形材４のはんだ５又はろう材による接合部分で構成され
ており、フィン３は、押出形材４の他の部分で構成され
ているので、強固であり、構成も簡素である。As described above, in the heat sink of the present invention, a plurality of plate-shaped extruded shape members 4 (or 4a, 4b) having the ribs 43 in the thickness direction are provided at equal intervals via the ribs 43. The solder 5 or the brazing material is laminated on each other and joined to each other by the solder 5 or the brazing material.
The space 6 formed by the extruded shape members 4 and the ribs 43 adjacent to each other is densely filled, the base plate 2 is constituted by the joint portion of the extruded shape members 4 by the solder 5 or the brazing material, and the fins 3 are Since it is composed of other parts of the extruded shape member 4, it is strong and has a simple structure.
【００２５】また、本発明のヒートシンクの製造方法
は、厚み方向にリブ４３を有する所定形状の板状の押出
形材４（又は４ａ、４ｂ）を、リブ４３を介して等間隔
に複数個重ね合わせ、この重ね合わせ体１０（又は１０
ａ）における隣り合う押出形材４とリブ４３とによって
構成される隙間６の部分を、溶融はんだ５中又は溶融ろ
う材中に浸漬し、超音波振動を加えることによって隙間
６にはんだ５又はろう材を密に充填させて押出形材４を
相互に接合するので、非常に簡単であり、しかも、押出
形材４相互の接合を支障なく行なうことができる。Further, according to the method for manufacturing a heat sink of the present invention, a plurality of plate-shaped extruded shape members 4 (or 4a, 4b) having ribs 43 in the thickness direction are superposed at equal intervals via the ribs 43. This superposed body 10 (or 10
The portion of the gap 6 formed by the adjacent extruded shape member 4 and the rib 43 in a) is immersed in the molten solder 5 or the molten brazing filler metal, and ultrasonic vibration is applied to the solder 5 or the solder in the gap 6. Since the extruded shape members 4 are joined to each other by filling the material densely, the extruded shape members 4 can be joined to each other without any trouble.
【図１】 本発明の実施例１のヒートシンクを示す側面
図である。FIG. 1 is a side view showing a heat sink according to a first embodiment of the present invention.
【図２】 図１のヒートシンクを構成する押出形材を示
す側面図である。FIG. 2 is a side view showing an extruded shape member which constitutes the heat sink of FIG.
【図３】 図２のIII 矢視図である。FIG. 3 is a view on arrow III in FIG.
【図４】 図１のヒートシンクを製造する一工程を示す
側面図である。FIG. 4 is a side view showing one process of manufacturing the heat sink of FIG.
【図５】 図４の工程に続く工程を示す一部断面側面図
である。5 is a partial cross-sectional side view showing a step that follows the step of FIG.
【図６】 図５の工程において超音波振動を加えない場
合の状態を示す拡大部分図である。FIG. 6 is an enlarged partial view showing a state where ultrasonic vibration is not applied in the step of FIG.
【図７】 図５の工程における一状態を示す拡大部分図
である。FIG. 7 is an enlarged partial view showing one state in the process of FIG.
【図８】 図５の工程終了後の状態を示す拡大部分図で
ある。FIG. 8 is an enlarged partial view showing a state after the process of FIG. 5 is completed.
【図９】 本発明の実施例２のヒートシンクを示す側面
図である。FIG. 9 is a side view showing a heat sink according to a second embodiment of the present invention.
【図１０】 図９のヒートシンクを構成する押出形材を
示す側面図である。10 is a side view showing an extruded shape member which constitutes the heat sink of FIG. 9. FIG.
【図１１】 図９のヒートシンクを製造する一工程を示
す側面図である。FIG. 11 is a side view showing one process of manufacturing the heat sink of FIG. 9.
【図１２】 図１１の工程に続く工程を示す一部断面側
面図である。12 is a partial cross-sectional side view showing a step that follows the step of FIG.
【図１３】 本発明の別の実施例のヒートシンクを構成
する押出形材を示す側面図である。FIG. 13 is a side view showing an extruded profile forming a heat sink according to another embodiment of the present invention.
【図１４】 図１３の押出形材で構成されたヒートシン
クを示す側面図である。14 is a side view showing a heat sink composed of the extruded shape member of FIG. 13. FIG.
１、１ａ、１ｂ ヒートシンク ２ フィン ３ ベースプレート ４、４ａ、４ｂ 押出形材 ５ はんだ ４２、４３ リブ 1, 1a, 1b Heat sink 2 Fins 3 Base plate 4, 4a, 4b Extruded profile 5 Solder 42, 43 Rib
Claims (6)
ているヒートシンクであって、厚み方向にリブを有する
所定形状の板状の押出形材が、リブを介して等間隔に複
数個重ね合わされて相互にはんだ又はろう材により接合
されて構成されており、上記はんだ又はろう材は、隣り
合う押出形材とリブとによって構成される隙間に密に充
填されており、ベースプレートは、押出形材の上記はん
だ又はろう材による接合部分で構成されており、フィン
は、押出形材の他の部分で構成されていることを特徴と
するヒートシンク。1. A heat sink in which a fin and a base plate are integrated with each other, and a plurality of plate-shaped extruded shape members each having a rib in the thickness direction are superposed at equal intervals via a rib. Is joined by solder or brazing material, the solder or brazing material is densely filled in the gap formed by the adjacent extruded shape and ribs, and the base plate is the extruded shape described above. A heat sink characterized in that it is composed of a joint portion by solder or a brazing material, and the fin is composed of another portion of the extruded profile.
のである請求項１記載のヒートシンク。2. The heat sink according to claim 1, wherein the extruded shape member is composed of one thin plate.
てて並設され且つ一体となって構成されたものである請
求項１記載のヒートシンク。3. The heat sink according to claim 1, wherein the extruded shape member is formed by arranging two or more thin plates side by side with a gap therebetween and integrally forming one piece.
ているヒートシンクを製造する方法であって、厚み方向
にリブを有する所定形状の板状の押出形材を、リブを介
して等間隔に複数個重ね合わせ、この重ね合わせ体にお
ける隣り合う押出形材とリブとによって構成される隙間
の部分を、溶融はんだ中又は溶融ろう材中に浸漬し、超
音波振動を加えることによって上記隙間に上記はんだ又
はろう材を密に充填させて押出形材を相互に接合するこ
とを特徴とするヒートシンクの製造方法。4. A method of manufacturing a heat sink in which fins and a base plate are integrated, wherein a plurality of plate-shaped extruded shape members having a predetermined shape having ribs in the thickness direction are equally spaced through the ribs. Superposition, the portion of the gap formed by the adjacent extruded profile and ribs in this superposed body is immersed in molten solder or molten brazing filler metal, and ultrasonic vibration is applied to the above-mentioned solder or the above-mentioned solder in the gap. A method for manufacturing a heat sink, characterized in that a brazing material is densely filled and extruded shapes are bonded to each other.
のである請求項４記載のヒートシンクの製造方法。5. The method of manufacturing a heat sink according to claim 4, wherein the extruded shape member is composed of one thin plate.
てて並設され且つ一体となって構成されたものである請
求項４記載のヒートシンクの製造方法。6. The method for manufacturing a heat sink according to claim 4, wherein the extruded shape member is formed by arranging two or more thin plates in parallel with each other with a gap therebetween and integrally forming the extruded shape members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5284912A JPH0831701B2 (en) | 1992-11-19 | 1993-11-15 | Heat sink and method of manufacturing the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31050092 | 1992-11-19 | ||
| JP4-310500 | 1992-11-19 | ||
| JP5284912A JPH0831701B2 (en) | 1992-11-19 | 1993-11-15 | Heat sink and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06216551A true JPH06216551A (en) | 1994-08-05 |
| JPH0831701B2 JPH0831701B2 (en) | 1996-03-27 |
Family
ID=26555659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5284912A Expired - Lifetime JPH0831701B2 (en) | 1992-11-19 | 1993-11-15 | Heat sink and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0831701B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09102686A (en) * | 1995-10-05 | 1997-04-15 | Nippon Alum Co Ltd | Manufacture of pin fin type heat sink |
| WO2001085377A1 (en) * | 2000-05-12 | 2001-11-15 | Tokyo First Trading Company | Production method of radiators |
| JP2007120936A (en) * | 2005-10-26 | 2007-05-17 | Level Holding Bv | Method and device for manufacturing heat exchanger |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02127970A (en) * | 1988-11-04 | 1990-05-16 | Nippon Alum Mfg Co Ltd | Manufacture of heat sink |
| JPH0340460A (en) * | 1989-07-07 | 1991-02-21 | Nippon Alum Mfg Co Ltd | Heat sink and manufacture thereof |
-
1993
- 1993-11-15 JP JP5284912A patent/JPH0831701B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02127970A (en) * | 1988-11-04 | 1990-05-16 | Nippon Alum Mfg Co Ltd | Manufacture of heat sink |
| JPH0340460A (en) * | 1989-07-07 | 1991-02-21 | Nippon Alum Mfg Co Ltd | Heat sink and manufacture thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09102686A (en) * | 1995-10-05 | 1997-04-15 | Nippon Alum Co Ltd | Manufacture of pin fin type heat sink |
| WO2001085377A1 (en) * | 2000-05-12 | 2001-11-15 | Tokyo First Trading Company | Production method of radiators |
| US6564458B1 (en) | 2000-05-12 | 2003-05-20 | Tokyo First Trading Company | Method for manufacturing a radiator |
| JP2007120936A (en) * | 2005-10-26 | 2007-05-17 | Level Holding Bv | Method and device for manufacturing heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0831701B2 (en) | 1996-03-27 |
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