JP6135760B2 - 放熱構造体及びその製造方法並びに電子装置 - Google Patents
放熱構造体及びその製造方法並びに電子装置 Download PDFInfo
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Description
一実施形態による放熱構造体及びその製造方法並びにその放熱構造体を用いた電子装置及びその製造方法を図1乃至図15を用いて説明する。
まず、本実施形態による放熱構造体について図1を用いて説明する。図1は、本実施形態による放熱構造体の例を示す断面図である。
なお、上記では、カーボンナノチューブ12の根元部18側が充填層20から露出した状態になっている場合を例に説明したが、これに限定されるものではない。
次に、本実施形態による放熱構造体を用いた電子装置について図3を用いて説明する。図3は、本実施形態による電子装置を示す断面図である。
次に、本実施形態による放熱構造体の製造方法について図4乃至図7を用いて説明する。図4乃至図7は、本実施形態による放熱構造体の製造方法の例を示す工程断面図である。
次に、本実施形態による放熱構造体の評価結果について説明する。
次に、本実施形態による電子装置の製造方法について図17及び図18を用いて説明する。図17及び図18は、本実施形態による電子装置の製造方法の例を示す工程断面図である。
上記実施形態に限らず種々の変形が可能である。
12…カーボンナノチューブ
14…先端部
16…根元部
18…被覆層
20…充填層、熱可塑性樹脂フィルム
22…回路基板
24…半導体素子
26…半田バンプ
28…ヒートスプレッダ
30…有機シーラント
32…電子装置
34…基板
35…構造物
36…台座
38…構造物
Claims (14)
- 少なくとも一方の端部が湾曲した炭素元素の複数の線状構造体と、
前記線状構造体の表面に形成され、前記線状構造体の他方の端部を覆う部分の厚さが前記線状構造体が塑性変形可能な厚さであり、前記一方の端部側から前記他方の端部側に向かって厚さが薄くなる被覆層と
を有することを特徴とする放熱構造体。 - 請求項1記載の放熱構造体において、
前記複数の線状構造体の前記他方の端部が湾曲している
ことを特徴とする放熱構造体。 - 請求項1又は2記載の放熱構造体において、
前記被覆層のうちの前記線状構造体の前記他方の端部を覆う部分の厚さは、20nm以下である
ことを特徴とする放熱構造体。 - 請求項1乃至3のいずれか1項に記載の放熱構造体において、
前記被覆層に含まれる粒子の粒径が、前記一方の端部側から前記他方の端部側に向かって小さくなることを特徴とする放熱構造体。 - 請求項1乃至4のいずれか1項に記載の放熱構造体において、
前記被覆層のうちの前記線状構造体の前記他方の端部を覆う部分における前記被覆層に含まれる粒子の粒径は、20nm以下である放熱構造体。 - 請求項1乃至5のいずれか1項に記載の放熱構造体において、
前記被覆層は、アルミニウム酸化物、チタン酸化物、ハフニウム酸化物、鉄酸化物、インジウム酸化物、ランタン酸化物、モリブデン酸化物、ニオブ酸化物、ニッケル酸化物、ルテニウム酸化物、シリコン酸化物、バナジウム酸化物、タングステン酸化物、イットリウム酸化物、又は、ジルコニウム酸化物を含む
ことを特徴とする放熱構造体。 - 請求項1乃至6のいずれか1項に記載の放熱構造体において、
前記線状構造体間に充填された樹脂層を更に有する
ことを特徴とする放熱構造体。 - 炭素元素の複数の線状構造体を基板上に形成する工程と、
前記複数の線状構造体の先端部を湾曲させる工程と、
原子層堆積法により、前記線状構造体の表面に、前記線状構造体の根元部を覆う部分の厚さが前記線状構造体が塑性変形可能な厚さであり、前記先端部側から前記根元部側に向かって厚さが薄くなる被覆層を形成する工程と
を有することを特徴とする放熱構造体の製造方法。 - 請求項8記載の放熱構造体の製造方法において、
前記被覆層を形成する工程では、一の原料ガスを供給してから他の原料ガスを供給するまでの時間を制御することにより、前記被覆層の厚さの分布を制御する
ことを特徴とする放熱構造体の製造方法。 - 請求項8又は9記載の放熱構造体の製造方法において、
前記被覆層を形成する工程の後に、荷重を加えることにより、前記複数の線状構造体の前記根元部を湾曲させる工程を更に有する
ことを特徴とする放熱構造体の製造方法。 - 請求項8乃至10のいずれか1項に記載の放熱構造体の製造方法において、
前記被覆層のうちの前記線状構造体の前記根元部を覆う部分の厚さは、20nm以下である
ことを特徴とする放熱構造体の製造方法。 - 請求項8乃至11のいずれか1項に記載の放熱構造体の製造方法において、
前記被覆層に含まれる粒子の粒径が、前記先端部側から前記根元部側に向かって小さくなることを特徴とする放熱構造体の製造方法。 - 請求項8乃至12のいずれか1項に記載の放熱構造体の製造方法において、
前記被覆層のうちの前記線状構造体の前記根元部を覆う部分における前記被覆層に含まれる粒子の粒径は、20nm以下である放熱構造体の製造方法。 - 発熱体と、
放熱体と、
一方の端部が湾曲した炭素元素の複数の線状構造体と、前記線状構造体の表面に形成され、前記線状構造体の他方の端部を覆う部分の厚さが前記線状構造体が塑性変形可能な厚さであり、前記一方の端部側から前記他方の端部側に向かって厚さが薄くなる被覆層とを有し、前記線状構造体の前記他方の端部が湾曲した放熱構造体とを有し、
前記複数の線状構造体の湾曲した前記一方の端部の側面の一部が、前記発熱体及び前記放熱体の一方に接しており、
前記複数の線状構造体の湾曲した前記他方の端部の側面の一部が、前記発熱体及び前記放熱体の他方に接している
ことを特徴とする電子装置。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2013/065386 WO2014196006A1 (ja) | 2013-06-03 | 2013-06-03 | 放熱構造体及びその製造方法並びに電子装置 |
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| Publication Number | Publication Date |
|---|---|
| JPWO2014196006A1 JPWO2014196006A1 (ja) | 2017-02-23 |
| JP6135760B2 true JP6135760B2 (ja) | 2017-05-31 |
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| JP2015521189A Active JP6135760B2 (ja) | 2013-06-03 | 2013-06-03 | 放熱構造体及びその製造方法並びに電子装置 |
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| US (1) | US9659836B2 (ja) |
| JP (1) | JP6135760B2 (ja) |
| CN (1) | CN105247674B (ja) |
| TW (1) | TWI542852B (ja) |
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| WO2017023394A2 (en) | 2015-05-13 | 2017-02-09 | Stu.Unm | NANOWIRE BENDING FOR PLANAR DEVICE PROCESS ON (001) Si SUBSTRATES |
| WO2017154885A1 (ja) * | 2016-03-09 | 2017-09-14 | 日立造船株式会社 | カーボンナノチューブ構造体の起毛方法、カーボンナノチューブ構造体の製造方法およびカーボンナノチューブ構造体 |
| WO2017159351A1 (ja) * | 2016-03-16 | 2017-09-21 | 日本電気株式会社 | 繊維状カーボンナノホーン集合体を含んだ平面構造体 |
| JP6879119B2 (ja) * | 2017-08-21 | 2021-06-02 | 富士通株式会社 | 放熱シート及びその製造方法、電子装置 |
| TWI653721B (zh) | 2017-11-29 | 2019-03-11 | Chipmos Technologies Inc. | 晶片堆疊封裝結構 |
| KR102584991B1 (ko) * | 2019-06-14 | 2023-10-05 | 삼성전기주식회사 | 반도체 패키지 |
| CN112399773A (zh) * | 2019-08-16 | 2021-02-23 | 上海诺基亚贝尔股份有限公司 | 散热装置以及散热装置的制造方法 |
| CN114342232A (zh) * | 2019-09-09 | 2022-04-12 | 三菱电机株式会社 | 电力转换装置及电力转换装置的制造方法 |
| DE102019130937A1 (de) * | 2019-11-15 | 2021-05-20 | Valeo Schalter Und Sensoren Gmbh | Steuergerät mit Kühlung durch Abstrahlung von Wärme |
| DE102021202654A1 (de) | 2021-03-18 | 2022-09-22 | Robert Bosch Gesellschaft mit beschränkter Haftung | Wärmeableitvorrichtung und Steuergeräteanordnung |
| US12046542B2 (en) * | 2021-04-30 | 2024-07-23 | Texas Instruments Incorporated | Heat-dissipating wirebonded members on package surfaces |
| US20230225084A1 (en) * | 2022-09-30 | 2023-07-13 | Intel Corporation | Methods and apparatus to cool hardware |
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| CN100358132C (zh) | 2005-04-14 | 2007-12-26 | 清华大学 | 热界面材料制备方法 |
| CN100404242C (zh) * | 2005-04-14 | 2008-07-23 | 清华大学 | 热界面材料及其制造方法 |
| CN1891780B (zh) | 2005-07-01 | 2013-04-24 | 清华大学 | 热界面材料及其制备方法 |
| US8919428B2 (en) * | 2007-10-17 | 2014-12-30 | Purdue Research Foundation | Methods for attaching carbon nanotubes to a carbon substrate |
| JP5013116B2 (ja) * | 2007-12-11 | 2012-08-29 | 富士通株式会社 | シート状構造体及びその製造方法並びに電子機器 |
| US8262835B2 (en) * | 2007-12-19 | 2012-09-11 | Purdue Research Foundation | Method of bonding carbon nanotubes |
| JP5146256B2 (ja) * | 2008-03-18 | 2013-02-20 | 富士通株式会社 | シート状構造体及びその製造方法、並びに電子機器及びその製造方法 |
| JP5239768B2 (ja) * | 2008-11-14 | 2013-07-17 | 富士通株式会社 | 放熱材料並びに電子機器及びその製造方法 |
| JP5431793B2 (ja) | 2009-05-29 | 2014-03-05 | 新光電気工業株式会社 | 放熱部品、電子部品装置及び電子部品装置の製造方法 |
| JP5293561B2 (ja) * | 2009-10-29 | 2013-09-18 | 富士通株式会社 | 熱伝導性シート及び電子機器 |
| JP5673668B2 (ja) * | 2010-03-12 | 2015-02-18 | 富士通株式会社 | 放熱構造体、電子機器およびそれらの製造方法 |
| JP5447069B2 (ja) * | 2010-03-24 | 2014-03-19 | 富士通株式会社 | シート状構造体、電子機器及び電子機器の製造方法 |
| DE102011000395A1 (de) * | 2011-01-28 | 2012-08-02 | Hydro Aluminium Rolled Products Gmbh | Thermisch und elektrisch hochleitfähiges Aluminiumband |
| JP5790023B2 (ja) * | 2011-02-25 | 2015-10-07 | 富士通株式会社 | 電子部品の製造方法 |
| JP5842349B2 (ja) | 2011-03-18 | 2016-01-13 | 富士通株式会社 | シート状構造体、シート状構造体の製造方法、電子機器及び電子機器の製造方法 |
| WO2013044094A2 (en) * | 2011-09-21 | 2013-03-28 | Georgia Tech Research Corporation | Methods for reducing thermal resistance of carbon nanotube arrays or sheets |
| JP6132768B2 (ja) | 2011-09-26 | 2017-05-24 | 富士通株式会社 | 放熱材料及びその製造方法 |
| JP6015009B2 (ja) * | 2012-01-25 | 2016-10-26 | 富士通株式会社 | 電子装置及びその製造方法 |
| JP6065410B2 (ja) * | 2012-05-16 | 2017-01-25 | 富士通株式会社 | シート状構造体、シート状構造体の製造方法、電子機器及び電子機器の製造方法 |
| JP6186933B2 (ja) * | 2013-06-21 | 2017-08-30 | 富士通株式会社 | 接合シート及びその製造方法、並びに放熱機構及びその製造方法 |
| WO2015097878A1 (ja) * | 2013-12-27 | 2015-07-02 | 富士通株式会社 | シート状構造体、これを用いた電子機器、シート状構造体の製造方法、及び電子機器の製造方法 |
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| CN105247674A (zh) | 2016-01-13 |
| TW201447216A (zh) | 2014-12-16 |
| WO2014196006A1 (ja) | 2014-12-11 |
| JPWO2014196006A1 (ja) | 2017-02-23 |
| CN105247674B (zh) | 2018-04-13 |
| US20160086872A1 (en) | 2016-03-24 |
| TWI542852B (zh) | 2016-07-21 |
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