JP6424158B2 - 3次元磁性微細構造を有するフィルムを製造する方法 - Google Patents
3次元磁性微細構造を有するフィルムを製造する方法 Download PDFInfo
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Description
フィルムは少なくとも1つの窪みを含んで製造され、前記フィルムと磁気的に構造化された表面を有するフィルムとを接合することによって前記窪みを閉じてマイクロ流路を形成し、このようにして前記マイクロ流路が2つの磁気的に構造化された壁を有する。
非磁性の母材と、あらかじめ決められたパターンに応じて前記母材中に配列された複数の3次元磁性マイクロ微細構造とを含むフィルムであって、前記マイクロ微細構造は磁性を有するマイクロ粒子またはナノ粒子の凝集体からなるフィルムに関する。
「マスター基板」
「磁気を有するナノ粒子/マイクロ粒子」
「非磁性の母材」
「得られたフィルム」
「実験結果」
「粉体処理に関する適用例」
[参考文献]
[Walther09] A. Walther, C. Marcoux and B. Desloges, R. Griechishkin, D. Givord and N.M. Dempsey, J. Magn. Mat. 321 (2009) 590
[Dempsey07] N.M. Dempsey, A. Walther, F. May, D. Givord, K. Khlopkov, O. Gutfleisch, Appl. Phys. Lett. 90 (2007), 092509
[Walther08] A. Walther, D. Givord, N.M. Dempsey, K. Khlopkov and O. Gutfleisch, J. Appl. Phys. 103 (2008) 043911
D. Issadore et al, “Self-Assembled magnetic filter for highly efficient immunomagnetic separation”, Lab Chip, 2011, 11, pp. 147-151
[Dumas-Bouchiat10] F. Dumas-Bouchiat et al., App. Phys. Lett. 90, 102511 (2010)
Claims (18)
- 非磁性の母材(3)と、あらかじめ決められたパターンに応じて前記母材中に配列された複数の3次元磁性マイクロ微細構造(20)とを含むフィルム(4)を製造する方法であって、
複数の磁場マイクロ源(10a,10b)からなり、102〜106T/mの間の磁場勾配を有する、磁気的に構造化された表面を含むマスター基板(1)を提供する工程a)と、次いで、
前記マスター基板の前記磁気的に構造化された表面(10)に対して磁性を有する複数のマイクロ粒子またナノ粒子(2)を付与し、前記粒子を前記マスター基板の前記表面の磁場勾配によって働く誘引磁気泳動力の影響下に配列される3次元マイクロ微細構造(20)に凝集させる工程b)と、次いで、
前記マスター基板の前記磁気的に構造化された表面(10)上および前記3次元マイクロ微細構造上に、非磁性材料からなる母材(30)をキャストまたは堆積して、前記非磁性の母材(3)と、前あらかじめ決められたパターンに応じて前記母材中に配列された複数の3次元磁性マイクロ微細構造(20)とを含む前記フィルム(4)を形成する工程c)と、次いで、
前記フィルム(4)を前記マスター基板から剥離する工程d)とを有する、
方法。 - 前記磁性を有するマイクロ粒子またはナノ粒子(2)の付与前に、前記マスター基板(1)の前記磁気的に構造化された表面(10)上に、後工程の前記フィルム(4)の前記マスター基板(1)からの剥離を容易にする層(5)を成膜することを特徴とする、請求項1に記載の方法。
- 前記マスター基板上への前記マイクロ粒子またはナノ粒子の付与の間または後に、前記磁場マイクロ源に関連して前記マイクロ粒子またはナノ粒子の分布を最適化するように、前記マスター基板(1)および/または前記粒子(2)を動かすことを特徴とする、請求項1または2に記載の方法。
- 前記非磁性の母材(3)のキャストまたは堆積前に、前記磁場マイクロ源に関連して前記ナノ粒子の分布を最適化するように、かつ/あるいは、前記マスター基板の磁場によって捕捉されない前記粒子を除去するように、前記マスター基板(1)に対してガスを噴射することを特徴とする、請求項1〜3のいずれかに記載の方法。
- 前記非磁性の母材(3)のキャストまたは堆積前に、前記マイクロ微細構造を形成する前記マイクロ粒子またはナノ粒子(2)の機械的な結合を増強するように、前記マスター基板の表面上に配列された前記マイクロ構造(20)上に液相のリガンド(21)を堆積することを特徴とする、請求項1〜4のいずれかに記載の方法。
- 前記フィルムの剥離後、前記フィルムの前記表面の少なくとも一部の上に導電性材料を成膜することを特徴とする、請求項1〜5のいずれかに記載の方法。
- 筒(7)を形成するように、前記フィルムを巻くことを特徴とする、請求項1〜6のいずれかに記載の方法。
- 前記母材は熱可塑性材料を含み、前記フィルムの剥離後、熱成形を通して前記フィルムをモールド(8)に押し付けて成形することを特徴とする、請求項1〜7のいずれかに記載の方法。
- 前記マスター基板の前記磁気的に構造化された表面(10)上および前記3次元マイクロ微細構造上に前記母材(30)がキャストまたは堆積された後に、前記母材を硬化あるいは網目化する工程を有する、請求項1〜8のいずれかに記載の方法。
- 前記母材(30)をキャストまたは堆積する工程は、
前記磁気的に構造化された表面上および前記3次元マイクロ微細構造上に前記母材を注ぐ工程を含む、請求項9に記載の方法。 - 前記母材を注ぐ工程は、
流体の形態を有する前記母材を提供し、前記磁気的に構造化された表面上に前記母材を注ぎ、前記磁気的に構造化された表面上で注がれた前記流体を広げる工程を含む、請求項10に記載の方法。 - 前記磁気的に構造化された表面上に注がれた前記流体を広げる工程は、スピンコーティング法によって実施される、請求項11に記載の方法。
- 少なくとも1つの窪み(40)を有する第1のフィルム(4)と、
前記窪みを閉じてマイクロ流路(60)を形成するように前記第1のフィルム(4)と接合された第2のフィルム(4')とを有するデバイスであって、
前記第1のフィルムおよび前記第2のフィルムのうち少なくとも一方のフィルムは、
非磁性の母材(3)と、
あらかじめ決められたパターンに応じて前記母材(3)中に配列された複数の3次元磁性マイクロ微細構造(20)とを含み、
前記マイクロ微細構造は磁性を有するマイクロ粒子またはナノ粒子の凝集体からなるデバイス。 - 前記第1のフィルムおよび前記第2のフィルム(4,4')はそれぞれ、磁気的に構造化された表面を有し、
前記マイクロ流路(60)は、2つの磁気的に構造化された壁(61,62)を有することを特徴とする、請求項13に記載のデバイス。 - 前記母材(3)は、
ポリジメチルシロキサン(PDMS)またはゴム等のエラストマー;メチルポリメタクリレート(PMMA)、パリレン、またはポリスチレン等の熱可塑性材料;SiO2、Al2O3、またはHfO2等の酸化物;CuまたはAg等の金属;グラファイトまたはDLC等の炭素材料;のうちの一つの材料からなることを特徴とする、請求項13または14に記載のデバイス。 - 前記マスター基板の前記磁気的に構造化された表面(10)は少なくとも1つの窪みおよび/または少なくとも1つの突起(10')を有し、それによって、剥離後に前記フィルム(4)が前記マスター基板の前記窪みおよび/または前記突起(10')に相補する突起および/または窪み(40)を有することを特徴とする、請求項1〜12のいずれかに記載の方法。
- 複数のマイクロ磁石を含む磁気デバイスを製造する方法であって、
請求項1〜12のいずれかに記載の方法によるフィルムの製造と、前記フィルムに対して、当該フィルムの前記母材に埋め込まれた前記3次元磁性マイクロ微細構造を磁化するような外部磁場の付与とを含む、方法。 - 粉体から磁性粒子を回収するための装置(9)であって、
前記粉体の通路用である少なくとも1つのコンベアベルト(91)を含み、前記粉体に接触される前記コンベアベルト(91)の表面の少なくとも一部がフィルム(4)を含み、
前記フィルム(4)は、非磁性の母材(3)と、あらかじめ決められたパターンに応じて前記母材(3)中に配列された複数の3次元磁性マイクロ微細構造(20)とを含み、
前記マイクロ微細構造は磁性を有するマイクロ粒子またはナノ粒子の凝集体からなることを特徴とする、装置(9)。
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US201261650398P | 2012-05-22 | 2012-05-22 | |
FR1254667A FR2991096B1 (fr) | 2012-05-22 | 2012-05-22 | Procede de fabrication d'un film comprenant des microstructures magnetiques tridimensionnelles |
FR1254667 | 2012-05-22 | ||
US61/650,398 | 2012-05-22 | ||
PCT/EP2013/060540 WO2013174881A1 (fr) | 2012-05-22 | 2013-05-22 | Procede de fabrication d'un film comprenant des microstructures magnetiques tridimensionnelles |
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FR3001038B1 (fr) * | 2013-01-17 | 2018-02-09 | Centre National De La Recherche Scientifique (Cnrs) | Procede de capture, procede de detection et kit de capture d'une molecule dans un echantillon |
CN103908739B (zh) * | 2014-03-05 | 2016-01-20 | 中山大学 | 一种金属微针阵列的制作方法 |
JP6334380B2 (ja) * | 2014-10-09 | 2018-05-30 | エルジー ディスプレイ カンパニー リミテッド | 樹脂フィルム層の剥離方法及び薄膜素子デバイスの製造方法 |
CN104307097B (zh) * | 2014-10-28 | 2017-04-05 | 中山大学 | 一种柔性基底金属微针阵列的制作方法 |
KR101805776B1 (ko) * | 2016-09-07 | 2017-12-07 | 울산과학기술원 | 능동형 방오 필름, 이를 이용한 비닐하우스 천막 및 능동형 방오 필름의 제조방법 |
CN106563516B (zh) * | 2016-11-08 | 2018-12-04 | 安徽中医药高等专科学校 | 一种教学用微芯片的制备方法 |
CN107240475B (zh) * | 2017-07-12 | 2019-07-30 | 北京航空航天大学 | 一种定向输运固体微粒的磁性阵列及其制备方法和应用 |
ES2842882T3 (es) * | 2018-05-08 | 2021-07-15 | Abiomed Europe Gmbh | Imán permanente resistente a la corrosión y bomba de sangre intravascular que comprende el imán |
FR3090184B1 (fr) | 2018-12-14 | 2022-05-06 | Institut Nat Des Sciences Appliquees | Procédé de fabrication d’un aimant permanent |
KR102336194B1 (ko) * | 2019-12-20 | 2021-12-08 | 울산과학기술원 | 방수, 방빙 및 방오 기능을 갖는 장치 |
CN113380526B (zh) * | 2020-02-25 | 2023-02-03 | 美国发现集团有限公司 | 一种纳米级磁性颗粒及其制备方法 |
CN111508706B (zh) * | 2020-04-24 | 2021-05-18 | 武汉大学 | 微米级磁性镊子的制备与使用方法 |
CN114432497B (zh) * | 2020-10-30 | 2023-11-24 | 江千里 | 微磁体网膜及其制备方法 |
FR3116215B1 (fr) * | 2020-11-17 | 2024-03-29 | Magia Diagnostics | Cartouche comportant une pluralite de chambres d’analyse pour recevoir un liquide biologique |
CN114522865A (zh) * | 2021-06-02 | 2022-05-24 | 常州鲲大电子科技有限公司 | 粘接钕铁硼复合涂层 |
CN113580196B (zh) * | 2021-07-21 | 2022-07-19 | 武汉大学 | 一种微观智能机器人和微型磁性抓手的制备与使用方法 |
CN114226198A (zh) * | 2021-11-25 | 2022-03-25 | 电子科技大学 | 一种磁控折射率光学薄膜的制备方法 |
WO2023097385A1 (pt) * | 2021-12-02 | 2023-06-08 | Universidade Estadual De Campinas | Composição de cílios magnéticos e o processo para produção de superfícies com cílios magnéticos |
CN114522649B (zh) * | 2022-02-15 | 2023-03-31 | 浙江大学 | 一种基于磁流体重构的声学微粒捕获及轨迹操控方法 |
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