JP2018147997A - ヒートシンク及びヒートシンクの製造方法 - Google Patents
ヒートシンク及びヒートシンクの製造方法 Download PDFInfo
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- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000011777 magnesium Substances 0.000 claims description 8
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Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
・レーザの種類:Ybファイバーレーザ
・レーザの出力:400W以下
・走査速度:200mm/s〜3000mm/s
・走査ピッチ:0.08mm〜0.18mm
・積層ピッチ:0.02mm〜0.10mm
・基材:アルミニウム合金(A5083)
・雰囲気:アルゴンガス雰囲気
2 ベース
3 棒状フィン
4 第1横架材
5 第2横架材
Claims (13)
- ベースと、
前記ベース上の一方向に整列するとともに前記一方向と直交する他方向に間隔をあけて複数列をなすように配置された複数の棒状フィンと、
前記一方向及び前記他方向の少なくともいずれかの方向に並ぶ複数の前記棒状フィンを連結する複数の横架材であって、上下方向及びこれに直交する方向に複数配置された複数の横架材と、を備えるヒートシンク。 - 複数の前記横架材は、
前記一方向に延びて前記一方向に整列する複数の前記棒状フィンを連結する複数の第1横架材であって、上下方向及び前記他方向に複数配置された複数の第1横架材と、
前記他方向に延びて前記他方向に並ぶ各列の近接する前記棒状フィン同士を順次連結する複数の第2横架材であって、上下方向及び前記一方向に複数配置された複数の第2横架材と、で構成される請求項1に記載のヒートシンク。 - 複数の前記棒状フィンは、上方向から視て格子状に配置されており、
複数の前記第2横架材は、前記他方向に整列する複数の前記棒状フィンを連結する請求項2に記載のヒートシンク。 - 複数の前記第1横架材と複数の前記第2横架材とが交差する請求項3に記載のヒートシンク。
- 複数の前記棒状フィンは、上方向から視て千鳥状に配置されるとともに、複数の前記第1横架材は、前記一方向から視て千鳥状に配置されており、
複数の前記第2横架材は、前記他方向に並ぶ各列の前記棒状フィンをジグザグ状に連結して複数の前記第1横架材とトラスを形作る請求項2に記載のヒートシンク。 - 複数の前記棒状フィン、複数の前記第1横架材及び複数の前記第2横架材のうちの少なくともいずれかは、流線形の断面形状を有する請求項1〜5のいずれかに記載のヒートシンク。
- 複数の前記棒状フィンは、前記ベース側に向かって次第に大きくなる断面形状を有し、
複数の前記第1横架材及び複数の前記第2横架材は、前記ベース側に向かうに連れて断面形状が大きい請求項1〜6のいずれかに記載のヒートシンク。 - 複数の前記第2横架材は、外気が流れる方向に向かって次第に大きくなる断面形状を有し、
複数の前記棒状フィン及び複数の前記第1横架材は、外気が流れる方向に向かうに連れて断面形状が大きい請求項1〜7のいずれかに記載のヒートシンク。 - 空隙率が50%以上である請求項1〜8のいずれかに記載のヒートシンク。
- 請求項1〜9のいずれかに記載のヒートシンクの製造方法であって、
前記ヒートシンクを構成する材料粉末を敷き詰めて材料粉末層を形成する第1工程と、
前記材料粉末層の所定領域の材料粉末を溶融及び凝固、又は焼結させることで、ブロック体を造形する第2工程と、を備え、
前記第1工程による前記材料粉末層の形成及び前記第2工程による前記ブロック体の造形を繰り返し、複数の前記ブロック体が積層一体化されることで前記ヒートシンクが製造されるヒートシンクの製造方法。 - 前記材料粉末が金属粉末である請求項10に記載のヒートシンクの製造方法。
- 前記材料粉末は、アルミニウムを主成分として60質量%以上含有する請求項11に記載のヒートシンクの製造方法。
- 前記材料粉末は、アルミニウムを主成分とし、さらに珪素、マグネシウム、銅、亜鉛、マンガン、スカンジウム及びリチウムからなる群より選ばれる少なくとも1種以上を含有する請求項12に記載のヒートシンクの製造方法。
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JP6953045B1 (ja) * | 2021-03-02 | 2021-10-27 | 株式会社シンセイ | 金属構造体および複合部材、ならびに複合部材の製造方法 |
JP6968469B1 (ja) * | 2021-03-02 | 2021-11-17 | 株式会社シンセイ | 複合部材の製造方法 |
JP7353148B2 (ja) | 2019-11-25 | 2023-09-29 | 国立大学法人東北大学 | ヒートシンクの製造方法 |
WO2024048791A1 (ja) * | 2022-09-02 | 2024-03-07 | 三菱マテリアル株式会社 | 3次元規則骨格構造を有する金属部材、3次元規則骨格を有する電極、水電解装置、燃料電池 |
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JP6953045B1 (ja) * | 2021-03-02 | 2021-10-27 | 株式会社シンセイ | 金属構造体および複合部材、ならびに複合部材の製造方法 |
JP6968469B1 (ja) * | 2021-03-02 | 2021-11-17 | 株式会社シンセイ | 複合部材の製造方法 |
JP2022133716A (ja) * | 2021-03-02 | 2022-09-14 | 株式会社シンセイ | 金属構造体および複合部材、ならびに複合部材の製造方法 |
JP2022133717A (ja) * | 2021-03-02 | 2022-09-14 | 株式会社シンセイ | 複合部材の製造方法 |
WO2024048791A1 (ja) * | 2022-09-02 | 2024-03-07 | 三菱マテリアル株式会社 | 3次元規則骨格構造を有する金属部材、3次元規則骨格を有する電極、水電解装置、燃料電池 |
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