JP2020531408A - グラフェン−銅構造体及び製造方法 - Google Patents
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Abstract
Description
上述の製造技術により、図1及び図2に示すような、第1及び第2グラフェン層14a、14bにより挟まれた単一の銅層12を有する複合構造体10が提供される。図3に示すような多層複合構造体20が優れた導電性を有するように、被覆銅箔28を積層することができる。
0.カウンタをゼロに設定する。
1.CVD被覆設備において、グラフェン単層を銅含有箔の両側に成長させる。
2.次に、被覆箔を巻いて、銅層と二層グラフェン層(二重層グラフェン層)とが交互になった円形の同心円構造のチューブ又はロッドを作製する。
3.次に、金属熱間圧延プレス等によりロッドを圧縮して、多数のグラフェン二層(グラフェン二重層)相22を含む平坦な銅/グラフェン多層複合バンドを作製する。
4.次に、得られた複合バンドをその両側においてエッチングして、無傷の銅表面を得る。
5.ここで、カウンタを1カウントする。カウンタが所定閾値より小さい場合、得られた構造体をCVD被覆設備に戻すことによりプロセスは工程1に進む。
6.カウンタが所定閾値に達した場合、銅/グラフェン複合バンドを、被覆及び圧延サイクルから取り出す。
図15を参照して説明したように、伸線技術を利用して、多層複合構造体20を備える多層複合ロッド(多層複合棒状物)66をワイヤに変えることができる。
Claims (24)
- 25μm以下の厚さを有する銅層と、
前記銅層を間に挟む第1及び第2グラフェン層と、
を備える複合構造体。 - 前記第1グラフェン層及び前記第2グラフェン層のうちの少なくとも一方は、5nm以下の厚さを有する、
請求項1に記載の複合構造体。 - 前記第1グラフェン層及び前記第2グラフェン層のうちの少なくとも一方は、2nm以下の厚さを有する、
請求項1に記載の複合構造体。 - 前記第1グラフェン層及び前記第2グラフェン層のうちの少なくとも一方は、グラフェン単層、又はグラフェン二重層である、
請求項1乃至3のいずれか一項に記載の複合構造体。 - 前記銅層は10μm以下の厚さを有する、
請求項1乃至4のいずれか一項に記載の複合構造体。 - 前記銅層は5μm以下の厚さを有する、
請求項1乃至5のいずれか一項に記載の複合構造体。 - 前記銅層の少なくとも一部は、(111)結晶方位を有する、
請求項1乃至6のいずれか一項に記載の複合構造体。 - 前記銅層は、少なくとも1μmの粒径を有する、
請求項1乃至7のいずれか一項に記載の複合構造体。 - 前記銅層は、少なくとも5μmの粒径を有する、
請求項1乃至8のいずれか一項に記載の複合構造体。 - 前記第1グラフェン層及び前記第2グラフェン層のうちの少なくとも一方は、金属原子を含む、
請求項1乃至9のいずれか一項に記載の複合構造体。 - 前記金属原子は、グラフェン環の環中心に位置する、
請求項10に記載の複合構造体。 - 積層された構成の複数の複合構造体を更に備える、
請求項1乃至11のいずれか一項に記載の複合構造体。 - 前記複数の構造体のうちの第1構造体の第1グラフェン層は、前記複数の構造体のうちの第2構造体の第2グラフェンと接触する、
請求項12に記載の複合構造体。 - 第1グラフェン層と、25μm以下の厚さを有する第1銅層であって、前記第1グラフェン層上の第1銅層と、前記第1銅層上のグラフェン二重層と、25μm以下の厚さを有する第2銅層であって、前記第グラフェン二重層上の第2銅層と、前記第2銅層上の第2グラフェン層と、を備える、
請求項12又は13に記載の複合構造体。 - 第1面側と前記第1面側とは反対の第2面側とを有する銅箔であって、25μm以下の厚さを有する銅箔を準備する工程と、
第1グラフェン層を前記銅箔の前記第1面側に堆積させ、第2グラフェン層を前記銅箔の前記第2面側に堆積させる工程と、
を備える、複合構造体を形成するための方法。 - 前記第1グラフェン層及び前記第2グラフェン層は、同時に堆積される、
請求項15に記載の複合構造体。 - 前記第1グラフェン層及び前記第2グラフェン層のうちの少なくとも一方を堆積させる際に、前記銅箔は、少なくとも部分的に鉛直方向に延びる、
請求項15又は16に記載の方法。 - 前記堆積工程は、低温プラズマ強化堆積工程を備える、
請求項15乃至17のいずれか一項に記載の方法。 - 前記銅箔を帯電する工程を更に備える、
請求項15乃至18のいずれか一項に記載の方法。 - 第1面側と前記第1面側とは反対の第2面側とを有する銅箔であって、25μm以下の厚さを有する銅箔を搬送する搬送ユニットと、
第1グラフェン層を前記銅箔の前記第1面側に堆積させ、第2グラフェン層を前記銅箔の前記第2面側に堆積させる堆積ユニットと、
を備える複合構造体を形成するためのシステム。 - 前記堆積ユニットは、少なくとも低温プラズマユニットを備える、
請求項20に記載のシステム。 - 前記堆積ユニットは、炭素を含む前駆体ガスを、前記第1面側及び前記第2面側に向ける供給ユニットを備える、
請求項20又は21に記載のシステム。 - 前記搬送ユニットは、前記銅箔を少なくとも部分的に鉛直方向に搬送する、
請求項20乃至22のいずれか一項に記載のシステム。 - 前記銅箔を帯電させる帯電ユニットを更に備える、
請求項20乃至23のいずれか一項に記載のシステム。
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EP3676222B1 (en) | 2023-08-09 |
EP3676222A1 (en) | 2020-07-08 |
US20190062921A1 (en) | 2019-02-28 |
US10828869B2 (en) | 2020-11-10 |
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WO2019043498A1 (en) | 2019-03-07 |
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