TW202318594A - Heat-dissipation device with patterned surface layer for vehicle and method for manufacturing the same - Google Patents
Heat-dissipation device with patterned surface layer for vehicle and method for manufacturing the same Download PDFInfo
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Abstract
Description
本發明涉及車用散熱裝置，具體來說，是涉及一種車用散熱裝置的表面圖案化鍍層之製作方法、以及一種具表面圖案化鍍層的車用散熱裝置。The present invention relates to a vehicle heat dissipation device, in particular to a method for making a surface patterned coating of a vehicle heat dissipation device and a vehicle heat dissipation device with a surface patterned coating.
目前的車用電子元件模組，例如車用IGBT模組或車用ADAS模組只要超過所允許的溫度，會導致性能惡化以致損壞。As long as the current automotive electronic component modules, such as automotive IGBT modules or automotive ADAS modules, exceed the allowable temperature, the performance will deteriorate and even be damaged.
目前的車用電子元件模組是使用金屬散熱裝置進行散熱，然而隨著現代工業的迅速發展，對金屬散熱裝置的功能性提出了更高的要求，如抗腐蝕性或接合性，使得現有的金屬散熱裝置無法滿足更高的要求。The current automotive electronic component modules use metal heat sinks for heat dissipation. However, with the rapid development of modern industry, higher requirements are placed on the functionality of metal heat sinks, such as corrosion resistance or bonding, making existing Metal heat sinks cannot meet higher requirements.
本發明所要解決的技術問題在於，針對現有技術的不足提供一種車用散熱裝置的表面圖案化鍍層之製作方法、以及一種具表面圖案化鍍層的車用散熱裝置。The technical problem to be solved by the present invention is to provide a method for making a patterned coating on the surface of a heat sink for a vehicle and a heat sink for a vehicle with a patterned coating on the surface to address the deficiencies in the prior art.
本發明實施例公開一種車用散熱裝置的表面圖案化鍍層之製作方法，包括：(a)提供一金屬散熱裝置；(b)在所述金屬散熱裝置的上表面上以濺鍍方式形成圖案化的一濺鍍金屬層，且使所述濺鍍金屬層厚度介於1μm至3μm之間，並且使所述濺鍍金屬層的覆蓋面積小於所述金屬散熱裝置90%的上表面面積。An embodiment of the present invention discloses a method for fabricating a patterned coating on the surface of a heat sink for a vehicle, including: (a) providing a metal heat sink; (b) forming a pattern on the upper surface of the metal heat sink by sputtering A sputtered metal layer, and the thickness of the sputtered metal layer is between 1 μm and 3 μm, and the covered area of the sputtered metal layer is less than 90% of the upper surface area of the metal heat sink.
在一優選實施例中，在步驟(b)中，是透過遮蔽方式在所述金屬散熱裝置的表面上形成至少有一遮蔽區，使所述遮蔽區不形成有所述濺鍍金屬層，從而使所述金屬散熱裝置的表面上形成有圖案化的所述濺鍍金屬層。In a preferred embodiment, in step (b), at least one shielding area is formed on the surface of the metal heat sink by means of shielding, so that the sputtered metal layer is not formed in the shielding area, so that The patterned sputtered metal layer is formed on the surface of the metal heat sink.
在一優選實施例中，所述濺鍍金屬層是在真空度為10 -2mbar以下的真空度環境條件下所形成。 In a preferred embodiment, the sputtered metal layer is formed under a vacuum environment condition with a vacuum degree below 10 −2 mbar.
在一優選實施例中，所述濺鍍金屬層是在濺鍍工率為1000瓦或以上的條件下所形成。In a preferred embodiment, the sputtered metal layer is formed at a sputtering power rate of 1000 watts or above.
在一優選實施例中，所述金屬散熱裝置內部設置有鰭片結構。In a preferred embodiment, a fin structure is arranged inside the metal heat sink.
在一優選實施例中，所述金屬散熱裝置為水冷或空冷的金屬散熱裝置。In a preferred embodiment, the metal heat sink is a water-cooled or air-cooled metal heat sink.
在一優選實施例中，所述金屬散熱裝置為封閉式或半開放式的金屬散熱裝置。In a preferred embodiment, the metal heat sink is a closed or semi-open metal heat sink.
在一優選實施例中，所述金屬散熱裝置是由鋁、鋁合金、銅、銅合金的至少其一所形成。In a preferred embodiment, the metal heat sink is formed of at least one of aluminum, aluminum alloy, copper, and copper alloy.
在一優選實施例中，所述濺鍍金屬層是由鎳、鎳合金、銅、銅合金、銀、銀合金的其中之一所形成。In a preferred embodiment, the sputtered metal layer is formed of one of nickel, nickel alloy, copper, copper alloy, silver, and silver alloy.
本發明實施例另公開一種具表面圖案化鍍層的車用散熱裝置，包括：一金屬散熱裝置；及一濺鍍金屬層，以濺鍍方式局部的形成在所述金屬散熱裝置的上表面上，從而使所述濺鍍金屬層具圖案化，且所述濺鍍金屬層厚度介於1μm至3μm之間，並且所述濺鍍金屬層的覆蓋面積小於所述金屬散熱裝置90%的上表面面積。The embodiment of the present invention further discloses a heat dissipation device for a vehicle with a surface patterned coating, comprising: a metal heat dissipation device; and a sputtered metal layer, which is partially formed on the upper surface of the metal heat dissipation device by sputtering, In this way, the sputtered metal layer is patterned, and the thickness of the sputtered metal layer is between 1 μm and 3 μm, and the covered area of the sputtered metal layer is less than 90% of the upper surface area of the metal heat sink .
本發明的有益效果至少在於，本發明提供的車用散熱裝置的表面圖案化鍍層之製作方法，其可以通過「提供一金屬散熱裝置」、「在所述金屬散熱裝置的上表面上以濺鍍方式形成圖案化的一濺鍍金屬層，且使所述濺鍍金屬層厚度介於1μm至3μm之間，並且使所述濺鍍金屬層的覆蓋面積小於所述金屬散熱裝置90%的上表面面積」的技術方案，使得所述金屬散熱裝置的上表面上形成有圖案化的功能區而可以有效提升所述金屬散熱裝置的錫焊之功能性、抗腐蝕之功能性、或燒結之功能性。The beneficial effect of the present invention lies at least in that the method for making the surface patterned coating of the vehicle heat sink provided by the present invention can be achieved by "providing a metal heat sink" and "sputtering on the upper surface of the metal heat sink". A sputtered metal layer is formed in a patterned manner, and the thickness of the sputtered metal layer is between 1 μm and 3 μm, and the coverage area of the sputtered metal layer is less than 90% of the upper surface of the metal heat sink Area” technical solution, so that patterned functional areas are formed on the upper surface of the metal heat sink, which can effectively improve the soldering, anti-corrosion, or sintering functions of the metal heat sink .
為使能更進一步瞭解本發明的特徵及技術內容，請參閱以下有關本發明的詳細說明與圖式，然而所提供的圖式僅用於提供參考與說明，並非用來對本發明加以限制。In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings related to the present invention. However, the provided drawings are only for reference and description, and are not intended to limit the present invention.
以下是通過特定的具體實施例來說明本發明所公開有關的實施方式，本領域技術人員可由本說明書所公開的內容瞭解本發明的優點與效果。本發明可通過其他不同的具體實施例加以施行或應用，本說明書中的各項細節也可基於不同觀點與應用，在不背離本發明的構思下進行各種修改與變更。另外，本發明的附圖僅為簡單示意說明，並非依實際尺寸的描繪，事先聲明。以下的實施方式將進一步詳細說明本發明的相關技術內容，但所公開的內容並非用以限制本發明的保護範圍。另外，本文中所使用的術語“或”，應視實際情況可能包括相關聯的列出項目中的任一個或者多個的組合。The following are specific examples to illustrate the implementation methods disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only for simple illustration, and are not drawn according to the actual size, which is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention. In addition, the term "or" used herein may include any one or a combination of more of the associated listed items depending on the actual situation.
請參閱圖1至圖2所示，本發明實施例提供一種車用散熱裝置的表面圖案化鍍層之製作方法，主要包括有以下步驟。Referring to FIG. 1 to FIG. 2 , an embodiment of the present invention provides a method for fabricating a surface patterned coating of a heat sink for a vehicle, which mainly includes the following steps.
首先，(a)提供一金屬散熱裝置10。進一步說，所述金屬散熱裝置10內部於本實施例中設置有鰭片結構101，其可以是片狀的鰭片結構，也可以是針柱式鰭片結構(pin-fin type structure)，且不以上述為限。並且，所述金屬散熱裝置10可以為水冷或空冷的金屬散熱裝置，或是封閉式或半開放式的金屬散熱裝置。再者，所述金屬散熱裝置10可以是由鋁、鋁合金、銅、銅合金的至少其一所構成。First, (a) provide a
接著，(b)在所述金屬散熱裝置10的上表面11上以濺鍍方式形成圖案化的一濺鍍金屬層20。進一步說，可以是透過遮蔽方式例如以遮蔽治具、油墨、防鍍膠帶進行遮蔽，以在所述金屬散熱裝置10的上表面11上形成至少有一遮蔽區90，使所述遮蔽區90不形成有金屬層，從而使所述金屬散熱裝置10的上表面11上形成有圖案化的所述濺鍍金屬層20。Next, (b) form a patterned
在一實施例中，所述濺鍍金屬層20可以是以濺鍍單金屬所形成。並且，單金屬可以是鎳、銅、銀。因此，所述濺鍍金屬層20可以是濺鍍鎳層、濺鍍銅層、或濺鍍銀層。In an embodiment, the
在一實施例中，所述濺鍍金屬層20可以是以濺鍍合金金屬所形成。並且，合金金屬可以是鎳合金、銅合金、或銀合金。因此，所述濺鍍金屬層20也可以是鎳合金濺鍍層、銅合金濺鍍層、或銀合金濺鍍層。In one embodiment, the
值得一提的是，所述濺鍍金屬表層20的厚度優選是介於1μm至3μm之間，並且所述濺鍍金屬層20的覆蓋面積小於所述金屬散熱裝置10的90%的上表面面積。It is worth mentioning that the thickness of the sputtered
再者，所述濺鍍金屬層20是在真空度為10
-2mbar以下的真空度環境條件下所形成。除此之外，所述濺鍍金屬層20是在濺鍍工率為1000瓦或以上的條件下所形成，使得濺鍍形成的薄膜具有高純度、良好的緻密性和良好的成模均勻性。
Furthermore, the
因此，透過在所述金屬散熱裝置10的上表面11上形成有圖案化的所述濺鍍金屬層20，使得所述金屬散熱裝置10的上表面11上形成有圖案化的功能區而可以有效提升所述金屬散熱裝置10的錫焊之功能性、抗腐蝕之功能性、或燒結之功能性。Therefore, by forming the patterned
並且，根據以上所述，本發明實施例亦提供一種具表面圖案化鍍層的車用散熱裝置，其具有金屬散熱裝置10及濺鍍金屬層20。進一步說，所述濺鍍金屬層20是以濺鍍方式局部的形成在所述金屬散熱裝置10的上表面11上，從而使所述濺鍍金屬層20具圖案化，且所述濺鍍金屬層20厚度介於1μm至3μm之間，並且所述濺鍍金屬層20的覆蓋面積小於所述金屬散熱裝置10的90%的上表面面積。Moreover, according to the above, the embodiment of the present invention also provides a heat dissipation device for a vehicle with a surface patterned coating, which has a metal
在一實施例中，所述金屬散熱裝置10內部可以設置有鰭片結構101。所述金屬散熱裝置10可為水冷或空冷的金屬散熱裝置。所述金屬散熱裝置10可為封閉式或半開放式的金屬散熱裝置。並且，所述金屬散熱裝置10可以是由鋁、鋁合金、銅、銅合金的至少其一所形成。In an embodiment, a
在一實施例中，所述濺鍍金屬層20可以是由鎳、鎳合金、銅、銅合金、銀、銀合金的其中之一所形成。In an embodiment, the
綜合以上所述，本發明提供的車用散熱裝置的表面圖案化鍍層之製作方法，其可以通過「提供一金屬散熱裝置」、「在所述金屬散熱裝置的上表面上以濺鍍方式形成圖案化的一濺鍍金屬層，且使所述濺鍍金屬層厚度介於1μm至3μm之間，並且使所述濺鍍金屬層的覆蓋面積小於所述金屬散熱裝置90%的上表面面積」的技術方案，使得所述金屬散熱裝置的上表面上形成有圖案化的功能區而可以有效提升所述金屬散熱裝置的錫焊之功能性、抗腐蝕之功能性、或燒結之功能性。Based on the above, the method for making the patterned coating on the surface of the vehicle heat sink provided by the present invention can be achieved by "providing a metal heat sink" and "forming a pattern on the upper surface of the metal heat sink by sputtering". A sputtered metal layer, and the thickness of the sputtered metal layer is between 1 μm and 3 μm, and the covered area of the sputtered metal layer is less than 90% of the upper surface area of the metal heat sink. In the technical solution, a patterned functional area is formed on the upper surface of the metal heat sink, which can effectively improve the soldering, corrosion resistance, or sintering functions of the metal heat sink.
以上所公開的內容僅為本發明的優選可行實施例，並非因此侷限本發明的申請專利範圍，所以凡是運用本發明說明書及圖式內容所做的等效技術變化，均包含於本發明的申請專利範圍內。The content disclosed above is only a preferred feasible embodiment of the present invention, and does not therefore limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.
10:金屬散熱裝置 11:上表面 101:鰭片結構 20:濺鍍金屬層 90:遮蔽區 10: Metal radiator 11: Upper surface 101: Fin structure 20: Sputtering metal layer 90: Shelter area
圖1為本發明實施例中的金屬散熱裝置的側視示意圖。FIG. 1 is a schematic side view of a metal heat sink in an embodiment of the present invention.
圖2為本發明實施例中的金屬散熱裝置的上表面上形成有圖案化的濺鍍金屬層的側視示意圖。FIG. 2 is a schematic side view of a patterned sputtered metal layer formed on the upper surface of the metal heat sink in an embodiment of the present invention.
10:金屬散熱裝置 10: Metal radiator
101:鰭片結構 101: Fin structure
20:濺鍍金屬層 20: Sputtering metal layer
90:遮蔽區 90: Shelter area
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