JP3417264B2 - Heat sink manufacturing method - Google Patents
Heat sink manufacturing methodInfo
- Publication number
- JP3417264B2 JP3417264B2 JP23968197A JP23968197A JP3417264B2 JP 3417264 B2 JP3417264 B2 JP 3417264B2 JP 23968197 A JP23968197 A JP 23968197A JP 23968197 A JP23968197 A JP 23968197A JP 3417264 B2 JP3417264 B2 JP 3417264B2
- Authority
- JP
- Japan
- Prior art keywords
- heat sink
- flow path
- pipe
- refrigerant
- outlet
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0246—Arrangements for connecting header boxes with flow lines
- F28F9/0256—Arrangements for coupling connectors with flow lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0246—Arrangements for connecting header boxes with flow lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
- F28D2021/0029—Heat sinks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、半導体素子など
の冷却装置に用いるヒートシンク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 method of manufacturing a heat sink used for a cooling device for semiconductor elements and the like.
【０００２】[0002]
【従来の技術】図３は、従来のヒートシンクの製造方法
を示す図である。図において、１はヒートシンク本体、
１１はアルミブレージングシートからなる上板、１２は
同じくアルミブレージングシートからなる下板、１３は
冷媒流路、１４は冷媒流路１３が形成されたアルミブレ
ージングシートからなる流路板である。上板１１、下板
１２、複数枚積層した流路板１４でヒートシンク本体１
を構成している。2. Description of the Related Art FIG. 3 is a diagram showing a conventional heat sink manufacturing method. In the figure, 1 is a heat sink body,
Reference numeral 11 is an upper plate made of an aluminum brazing sheet, 12 is a lower plate also made of an aluminum brazing sheet, 13 is a refrigerant channel, and 14 is a channel plate made of an aluminum brazing sheet in which the refrigerant channel 13 is formed. The heat sink body 1 includes the upper plate 11, the lower plate 12, and the flow path plate 14 in which a plurality of layers are laminated.
Are configured.
【０００３】また図４は、従来のヒートシンクの製造方
法を示す別の図である。図において、１５は冷媒出入
口、２は冷媒出入口１５に挿入され配管と冷媒流路とを
接続するアルミニウムからなる配管継手、２１は冷媒出
入口１５に挿入、嵌合される冷媒流路側嵌合部、２２は
配管と接続される配管側嵌合部、２３はネジ部であり、
冷媒流路側嵌合部２１、配管側嵌合部２２、ネジ部２３
で配管継手２を構成している。３はテフロンチューブな
どからなる配管、４は配管継手２と配管３とを接続する
継手用ナットである。FIG. 4 is another diagram showing a conventional heat sink manufacturing method. In the figure, 15 is a refrigerant inlet / outlet, 2 is a pipe joint made of aluminum which is inserted into the refrigerant inlet / outlet 15 and connects a pipe and a refrigerant passage, 21 is a refrigerant passage side fitting portion which is inserted and fitted in the refrigerant inlet / outlet 15, 22 is a pipe side fitting part connected to the pipe, 23 is a screw part,
Refrigerant flow path side fitting part 21, piping side fitting part 22, screw part 23
Constitutes the pipe joint 2. Reference numeral 3 is a pipe made of Teflon tube or the like, and 4 is a joint nut for connecting the pipe joint 2 and the pipe 3.
【０００４】次に、上記のようなヒートシンクの製造方
法を説明する。まず、図３に示すように、接合される側
にろう材がクラッドされてなるアルミブレージングシー
トを、ターレットパンチプレスなどにより打抜き加工し
て冷媒流路１３を形成した流路板１４を作成する。次
に、流路板１４を複数枚積層して、この積層体の蓋とな
るように上板１１、下板１２を重ねて６００℃程度に加
熱してろう付けする。Next, a method of manufacturing the above heat sink will be described. First, as shown in FIG. 3, an aluminum brazing sheet having a brazing material clad on the side to be joined is punched by a turret punch press or the like to form a flow channel plate 14 in which a coolant flow channel 13 is formed. Next, a plurality of flow path plates 14 are laminated, the upper plate 11 and the lower plate 12 are stacked so as to form a lid of this laminated body, and heated at about 600 ° C. to be brazed.
【０００５】なおここで、ろう材にフラックスを混入し
て金属表面に存在する酸化物を除去し、ろう材の流動性
を改善する。混入するフラックスは、一般的に塩化物系
フラックスが用いられる。Here, the flux is mixed into the brazing material to remove oxides existing on the metal surface, thereby improving the fluidity of the brazing material. As the flux to be mixed, a chloride flux is generally used.
【０００６】上板１１、下板１２、流路板１４の接合を
完了後、側面に切削などの手段により、図４に示すよう
に、円形の冷媒出入口１５を設ける。その後、配管継手
２の円筒状の配管側嵌合部２１を冷媒出入口１５に挿
入、嵌合して、上板１１、下板１２、流路板１４の接合
に用いるろう材の融点より低い融点のアルミはんだ（約
４００℃）などを用いて接合する。After the joining of the upper plate 11, the lower plate 12 and the flow path plate 14 is completed, a circular coolant inlet / outlet port 15 is provided on the side surface by means such as cutting as shown in FIG. Then, the cylindrical pipe side fitting portion 21 of the pipe joint 2 is inserted into and fitted into the refrigerant inlet / outlet 15, and the melting point is lower than the melting point of the brazing material used for joining the upper plate 11, the lower plate 12, and the flow path plate 14. The aluminum solder (about 400 ° C.) is used for joining.
【０００７】さらに、配管継手２と配管３との接続は、
配管側嵌合部２２に配管３を挿入、嵌合して、ネジ部２
３に適合する継手用ナット４で締め付けて行う。また、
配管３の先端部を塑性変形させることで水密性を保つこ
とができる。Further, the connection between the pipe joint 2 and the pipe 3 is
Insert the pipe 3 into the fitting portion 22 on the piping side and fit it into the threaded portion 2
Tighten with a fitting nut 4 that conforms to 3. Also,
Watertightness can be maintained by plastically deforming the tip of the pipe 3.
【０００８】[0008]
【発明が解決しようとする課題】従来のヒートシンクの
製造方法は以上のように、上板１１、下板１２、流路板
１４のろう付をした後に、冷媒出入口１５の切削加工
と、冷媒出入口１５と配管側嵌合部２１との低融点ろう
材を用いたろう付けを行っていたので、製造工程が多
く、製造コストが高いという問題点があった。As described above, according to the conventional method for manufacturing a heat sink, after the upper plate 11, the lower plate 12 and the flow path plate 14 are brazed, the coolant inlet / outlet 15 is cut and the coolant inlet / outlet is opened. Since brazing of the pipe 15 and the pipe side fitting portion 21 using the low melting point brazing material is performed, there are problems that the number of manufacturing steps is large and the manufacturing cost is high.
【０００９】また、従来のヒートシンクの配管継手２の
材料はアルミニウムであり、硬度が低いため、配管３の
着脱を繰り返すとネジ部２３のネジ山が損傷して接続が
不完全となる問題点があった。Further, since the material of the pipe joint 2 of the conventional heat sink is aluminum and its hardness is low, there is a problem that the thread of the screw portion 23 is damaged and the connection is incomplete when the pipe 3 is repeatedly attached and detached. there were.
【００１０】また、ろう付けする際に、ろう材に混入す
るフラックスが塩化物系フラックスであるので、ろう付
けの際に残留した塩化物が冷媒中に溶出して、ヒートシ
ンクの材料であるアルミニウムの腐食を促進させるとい
う問題点があった。In addition, since the flux mixed in the brazing material during brazing is a chloride-based flux, the chloride remaining during brazing elutes into the refrigerant, so that the aluminum of the heat sink material There was a problem of promoting corrosion.
【００１１】この発明は上記のような課題を解決するた
めになされたもので、コストが安く、また配管接続の信
頼性が高く、またヒートシンクの腐食を抑制するヒート
シンクの製造方法を得ることを目的とする。The present invention has been made to solve the above problems, and an object thereof is to obtain a method for manufacturing a heat sink, which is low in cost, has high reliability in pipe connection, and suppresses corrosion of the heat sink. And
【００１２】[0012]
【課題を解決するための手段】この発明に係るヒートシ
ンクの製造方法は、アルミブレージングシートを打ち抜
き加工して冷媒流路の一部と冷媒出入口の一部とを形成
した流路板を製作する工程、流路板を複数枚積層して冷
媒流路と冷媒出入口とを形成する工程、冷媒出入口に配
管継手を挿入、嵌合し、複数枚積層された流路板と配管
継手とを一括してろう付けする工程を含むものである。In the method for manufacturing a heat sink according to the present invention, an aluminum brazing sheet is punched to form a flow path plate having a part of a refrigerant flow path and a part of a refrigerant inlet / outlet port. The step of stacking a plurality of flow path plates to form a refrigerant flow path and a refrigerant inlet / outlet, inserting and fitting a pipe joint into the refrigerant inlet / outlet, and collectively forming a plurality of flow path plates and a pipe joint It includes a step of brazing.
【００１３】また、配管継手にステンレス鋼を用いるも
のである。Further, stainless steel is used for the pipe joint.
【００１４】また、ろう付けする際のろう材にフッ化物
系フラックスを混入するものである。Fluoride-based flux is mixed in the brazing material used for brazing.
【００１５】[0015]
【発明の実施の形態】図１は、この発明の実施の形態に
よるヒートシンクの製造方法を示す図である。図におい
て、１はヒートシンク本体、１１はアルミブレージング
シートからなる上板、１２は同じくアルミブレージング
シートからなる下板、１３は冷媒流路、１４は冷媒流路
１３が形成されたアルミブレージングシートからなる流
路板である。上板１１、下板１２、複数枚積層した流路
板１４でヒートシンク本体１を構成している。１５は冷
媒出入口である。FIG. 1 is a diagram showing a method of manufacturing a heat sink according to an embodiment of the present invention. In the figure, 1 is a heat sink main body, 11 is an upper plate made of an aluminum brazing sheet, 12 is a lower plate also made of an aluminum brazing sheet, 13 is a coolant channel, and 14 is an aluminum brazing sheet in which a coolant channel 13 is formed. It is a flow path plate. The heat sink body 1 is composed of the upper plate 11, the lower plate 12, and the flow path plate 14 formed by laminating a plurality of sheets. Reference numeral 15 is a refrigerant inlet / outlet port.
【００１６】また図２は、この発明の実施の形態による
ヒートシンクの製造方法を示す別の図である。図におい
て、２は冷媒出入口１５に挿入され配管と冷媒流路とを
接続するステンレスからなる配管継手、２１は冷媒出入
口１５に挿入、嵌合される冷媒流路側嵌合部、２２は配
管と接続される配管側嵌合部、２３はネジ部であり、冷
媒流路側嵌合部２１、配管側嵌合部２２、ネジ部２３で
配管継手２を構成している。３はテフロンチューブなど
からなる配管、４は配管継手２と配管３とを接続する継
手用ナットである。FIG. 2 is another diagram showing a method of manufacturing a heat sink according to the embodiment of the present invention. In the figure, 2 is a pipe joint made of stainless steel that is inserted into the refrigerant inlet / outlet port 15 and connects the pipe and the refrigerant passage, 21 is a refrigerant passage side fitting portion that is inserted and fitted in the refrigerant inlet / outlet 15, and 22 is connected to the pipe. The pipe side fitting part 23 is a screw part, and the refrigerant flow path side fitting part 21, the pipe side fitting part 22 and the screw part 23 constitute the pipe joint 2. Reference numeral 3 is a pipe made of Teflon tube or the like, and 4 is a joint nut for connecting the pipe joint 2 and the pipe 3.
【００１７】次に、上記ヒートシンクの製造方法を説明
する。まず、図１に示すように、接合される側にろう材
がクラッドされてなるアルミブレージングシートを、タ
ーレットパンチプレスなどにより打抜き加工して冷媒流
路１３及び冷媒出入口１５を形成した流路板１４を作成
する。次に、この流路板１４を複数枚積層して、この積
層体の蓋となるように上板１１、下板１２を重ねる。Next, a method of manufacturing the heat sink will be described. First, as shown in FIG. 1, an aluminum brazing sheet having a brazing material clad on the side to be joined is punched by a turret punch press or the like to form a refrigerant passage 13 and a refrigerant inlet / outlet port 15. To create. Next, a plurality of the flow path plates 14 are laminated, and the upper plate 11 and the lower plate 12 are laminated so as to form a lid of this laminated body.
【００１８】さらに、上記アルミブレージングシートの
ろう材と同じ成分の線状ろう材を配管継手２の外周に巻
いて、配管側嵌合部２１を冷媒出入口１５に挿入する。
このとき、冷媒出入口１５は、あらかじめ打ち抜き加工
により冷媒出入口１５が形成されたアルミブレージング
シートの積層により出現するので、おのずと四角形状と
なる。従って、冷媒出入口１５に挿入、嵌合される配管
側嵌合部２１も四角形状となる。また、配管継手２の材
料は、アルミニウムより硬度が高く、冷媒である冷却水
に対して耐食性を有するオーステナイト系ステンレス鋼
（例えばＳＵＳ３０４など）を用いる。Further, a linear brazing material having the same composition as the brazing material of the aluminum brazing sheet is wound around the outer periphery of the pipe joint 2 and the pipe side fitting portion 21 is inserted into the refrigerant inlet / outlet port 15.
At this time, since the refrigerant inlet / outlet 15 appears by laminating the aluminum brazing sheets in which the refrigerant inlet / outlet 15 is formed by punching in advance, it naturally has a rectangular shape. Therefore, the pipe-side fitting portion 21 that is inserted and fitted into the refrigerant inlet / outlet 15 also has a quadrangular shape. Further, as the material of the pipe joint 2, austenitic stainless steel (for example, SUS304 or the like) having a hardness higher than that of aluminum and having corrosion resistance to cooling water that is a refrigerant is used.
【００１９】このようにして、上板１１、下板１２、流
路板１４、配管継手２を仮組立した後、雰囲気炉などを
用いて、窒素雰囲気中で６００℃まで昇温し、一括して
ろう付けを行う。ここで、ろう材に混入するフラックス
は、従来例のような塩化物系フラックスではなく、非腐
食性でＫＡｌＦ4やＫ3ＡｌＦ6の化合物を主成分とした
フッ化物系フラックスを用いる。After temporarily assembling the upper plate 11, the lower plate 12, the flow path plate 14, and the pipe joint 2 in this way, the temperature is raised to 600 ° C. in a nitrogen atmosphere using an atmosphere furnace and the like Braze. The flux mixed in the brazing material is not a chloride-based flux as in the conventional example, but a non-corrosive fluoride-based flux containing a compound of KAlF 4 or K 3 AlF 6 as a main component.
【００２０】さらに、配管継手２と配管３との接続は、
配管側嵌合部２２に配管３を挿入、嵌合して、ネジ部２
３に適合する継手用ナット４で締め付けて行う。また、
配管３の先端部を塑性変形させることで水密性を保つこ
とができる。Further, the connection between the pipe joint 2 and the pipe 3 is
Insert the pipe 3 into the fitting portion 22 on the piping side and fit it into the threaded portion 2
Tighten with a fitting nut 4 that conforms to 3. Also,
Watertightness can be maintained by plastically deforming the tip of the pipe 3.
【００２１】以上のように、本実施の形態によれば、あ
らかじめ冷媒出入口１５を形成し、上板１１、下板１
２、流路板１４、配管継手２を一括してろう付けするの
で、製造工程が少なくなり、コストの安いヒートシンク
を製造できる。As described above, according to the present embodiment, the refrigerant inlet / outlet 15 is formed in advance, and the upper plate 11 and the lower plate 1 are formed.
2, the flow path plate 14 and the pipe joint 2 are brazed together, so that the number of manufacturing steps is reduced and a costly heat sink can be manufactured.
【００２２】また、あらかじめ冷媒出入口１５を形成し
て、ろう付け前に配管継手２を挿入しておくため、複数
の流路板１４の位置決めが正確になり、冷媒流路の断面
積の変動が少ない状態で組み立てることが可能である。Further, since the refrigerant inlet / outlet 15 is formed in advance and the pipe joint 2 is inserted before brazing, the positioning of the plurality of flow path plates 14 becomes accurate, and the variation of the cross-sectional area of the refrigerant flow path is prevented. It can be assembled in a small amount.
【００２３】また、冷媒出入口１５と配管側嵌合部２１
とは共に四角形状であるため、従来の円筒形状に比べ
て、配管３の着脱時に、継手用ナット４の締付力による
配管継手２の変形や損傷を低減できる。Further, the refrigerant inlet / outlet port 15 and the pipe side fitting portion 21
Are both quadrangular, the deformation and damage of the pipe joint 2 due to the tightening force of the joint nut 4 can be reduced when the pipe 3 is attached and detached.
【００２４】また、配管継手２はステンレス鋼であるた
め、アルミニウムより硬度が高く、配管３の着脱を繰り
返しても、ネジ部２３のネジ山が損傷して接続が不完全
となることを防ぐことができる。Further, since the pipe joint 2 is made of stainless steel, it has a hardness higher than that of aluminum and prevents the thread of the screw portion 23 from being damaged and the connection being incomplete even when the pipe 3 is repeatedly attached and detached. You can
【００２５】また、ろう材に混入するフラックスはフッ
化物系フラッックスであるため、アルミニウムの腐食を
抑制することができる。Further, since the flux mixed in the brazing material is a fluoride-based flux, the corrosion of aluminum can be suppressed.
【００２６】[0026]
【発明の効果】以上のように、請求項１記載の発明によ
れば、アルミブレージングシートを打ち抜き加工して冷
媒流路の一部と冷媒出入口の一部とを形成した流路板を
製作する工程、流路板を複数枚積層して冷媒流路と冷媒
出入口とを形成する工程、冷媒出入口に配管継手を挿
入、嵌合し、複数枚積層された流路板と配管継手とを一
括してろう付けする工程を含むので、製造工程が少な
く、コストの安いヒートシンクを製造できる効果が得ら
れる。As described above, according to the first aspect of the invention, the aluminum brazing sheet is punched to form the flow path plate having a part of the refrigerant flow path and a part of the refrigerant inlet / outlet port. Step, a step of stacking a plurality of flow path plates to form a refrigerant flow path and a refrigerant inlet / outlet, inserting and fitting a pipe joint into the refrigerant inlet / outlet, and collectively forming a plurality of laminated flow path plates and pipe joints Since the brazing process is included, the manufacturing process can be reduced and the cost can be reduced.
【００２７】また、請求項２記載の発明によれば、配管
継手にステンレス鋼を用いるので、配管接続の信頼性が
向上する効果が得られる。According to the second aspect of the invention, since stainless steel is used for the pipe joint, the effect of improving the reliability of the pipe connection can be obtained.
【００２８】また、請求項３記載の発明によれば、ろう
付けする際のろう材にフッ化物系フラックスを混入する
ので、ヒートシンクの材料であるアルミニウムの腐食を
抑制できる効果が得られる。Further, according to the third aspect of the invention, since the fluoride flux is mixed in the brazing material at the time of brazing, it is possible to obtain the effect of suppressing the corrosion of aluminum, which is the material of the heat sink.
【図１】 この発明の実施の形態によるヒートシンクの
製造方法を示す図である。FIG. 1 is a diagram showing a method of manufacturing a heat sink according to an embodiment of the present invention.
【図２】 この発明の実施の形態によるヒートシンクの
製造方法を示す別の図である。FIG. 2 is another diagram showing the method of manufacturing the heat sink according to the embodiment of the present invention.
【図３】 従来のヒートシンクの製造方法を示す図であ
る。FIG. 3 is a diagram showing a conventional heat sink manufacturing method.
【図４】 従来のヒートシンクの製造方法を示す別の図
である。FIG. 4 is another diagram showing a conventional method for manufacturing a heat sink.
１ ヒートシンク本体、１１、上板、１２ 下板、１３
冷媒流路、１４ 流路板、１５ 冷媒出入口、２ 配
管継手、２１ 冷媒流路側嵌合部、２２ 配管側嵌合
部、２３ ネジ部、３ 配管、４ 継手用ナット1 heat sink body, 11, upper plate, 12 lower plate, 13
Refrigerant flow path, 14 flow path plate, 15 refrigerant inlet / outlet, 2 pipe joint, 21 refrigerant flow path side fitting part, 22 pipe side fitting part, 23 screw part, 3 pipe, 4 fitting nut
───────────────────────────────────────────────────── フロントページの続き (72)発明者 谷 尚紀 東京都千代田区丸の内二丁目２番３号 三菱電機株式会社内 (72)発明者 福盛 久 東京都千代田区丸の内二丁目２番３号 三菱電機株式会社内 (56)参考文献 特開 昭62−135272（ＪＰ，Ａ) 特開 平２−306097（ＪＰ，Ａ) 特開 平７−176653（ＪＰ，Ａ) 実開 平２−24588（ＪＰ，Ｕ) 実開 平２−99589（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01L 23/34 - 23/473 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Naoki Tani 2-3-3 Marunouchi, Chiyoda-ku, Tokyo Within Mitsubishi Electric Corporation (72) Inventor Hisashi Fukumori 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Electric Incorporated (56) References JP 62-135272 (JP, A) JP 2-306097 (JP, A) JP 7-176653 (JP, A) Actual development 2-24588 (JP, U) Actual Kaihei 2-99589 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) H01L 23/34-23/473
Claims (3)
工して冷媒流路の一部と冷媒出入口の一部とを形成した
流路板を製作する工程、上記流路板を複数枚積層して上
記冷媒流路と上記冷媒出入口とを形成する工程、上記冷
媒出入口に配管継手を挿入、嵌合し、複数枚積層された
上記流路板と上記配管継手とを一括してろう付けする工
程を含むことを特徴とするヒートシンクの製造方法。1. A step of punching an aluminum brazing sheet to produce a flow path plate having a part of a refrigerant flow path and a part of a refrigerant inlet / outlet, wherein a plurality of the flow path plates are laminated to form the refrigerant flow. A step of forming a channel and the refrigerant inlet / outlet, inserting and fitting a pipe joint into the refrigerant inlet / outlet, and including a step of collectively brazing the flow path plate and the pipe joint, which are laminated in a plurality of sheets, A method for manufacturing a characteristic heat sink.
特徴とする請求項１記載のヒートシンクの製造方法。2. The heat sink manufacturing method according to claim 1, wherein stainless steel is used for the pipe joint.
ラックスを混入することを特徴とする請求項１記載のヒ
ートシンクの製造方法。3. The method of manufacturing a heat sink according to claim 1, wherein a fluoride-based flux is mixed into the brazing material used for brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23968197A JP3417264B2 (en) | 1997-09-04 | 1997-09-04 | Heat sink manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23968197A JP3417264B2 (en) | 1997-09-04 | 1997-09-04 | Heat sink manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1187584A JPH1187584A (en) | 1999-03-30 |
| JP3417264B2 true JP3417264B2 (en) | 2003-06-16 |
Family
ID=17048336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23968197A Expired - Lifetime JP3417264B2 (en) | 1997-09-04 | 1997-09-04 | Heat sink manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3417264B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002035666A1 (en) * | 2000-10-20 | 2002-05-02 | Mitsubishi Denki Kabushiki Kaisha | Cooler, semiconductor laser light source, semiconductor laser light source unit, method for producing semiconductor laser light source unit, and solid laser |
| JP4164726B2 (en) * | 2000-11-22 | 2008-10-15 | 株式会社デンソー | Method for manufacturing circuit case combined with liquid-cooled circuit board |
| JP2008098484A (en) * | 2006-10-13 | 2008-04-24 | Fine Steel Engineering:Kk | Method for manufacturing integrated lamination, and machine component |
| JP5536571B2 (en) * | 2010-07-06 | 2014-07-02 | 株式会社ティラド | Plate type heat sink |
| DE102014213490C5 (en) | 2014-07-10 | 2020-06-18 | Continental Automotive Gmbh | Cooling device, method for producing a cooling device and power circuit |
| JP7206609B2 (en) * | 2018-03-26 | 2023-01-18 | 株式会社富士通ゼネラル | Metal laminate and method for manufacturing metal laminate |
-
1997
- 1997-09-04 JP JP23968197A patent/JP3417264B2/en not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| JPH1187584A (en) | 1999-03-30 |
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