JP2021528279A - メタルカードの製造方法 - Google Patents
メタルカードの製造方法 Download PDFInfo
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Abstract
【解決手段】複数個の個別カードを収容する大きさのメタルシートを準備するステップ;フェライト(ferrite)にエポキシ(epoxy)を含有させ、前記複数個の個別カードを収容しうる同じ大きさの強磁性の絶縁シートを準備するステップ;前記絶縁シートと同じ大きさを有し、アンテナコイルが印刷されたインレイシートを準備し、前記絶縁シートと前記インレイシートとを含む複数個のシートを積層した積層シートの少なくとも一つの隅にホールを形成するステップ;前記積層シートに形成されたホールを積載板ピンに挿入するステップ;前記積層シートの上部に、前記メタルシートを合紙するステップ;前記メタルシートと前記積層シートとをラミネートして、メタルカードシートを形成するステップ;及び前記メタルカードシートを前記複数個の個別カードの外郭線に沿って切削するステップ;を含むメタルカードの製造方法。
【選択図】図4
Description
本発明は、メタルシートを含む大面積のシートが積層された積層シートの表面に沿って、個別カードの外郭線を切削する過程において、切削と同時に冷却気体を噴射することによって、安定的に外郭線を切削することができるメタルカードの製造方法を提供する。
本発明は、大面積のシートを切削する過程で発生するシートのねじれを防止するために、シートにホールを形成して固定することによって、大面積シートの整列状態を保持し、個別カードを切削して個別カードの外郭面の均一性を確保することができるメタルカードの製造方法を提供する。
本発明は、メタルカードを構成する金属材質の層と非接触式通信を行うためのアンテナコイル間に発生する磁気干渉を効率的に制御することができる絶縁層を安定したシート形態で具現することによって、動作性能が向上されたメタルカードを大量で製造することができるメタルカードの製造方法を提供する。
Claims (8)
- 複数個の個別カードを収容する大きさのメタルシートを準備するステップ;
フェライト(ferrite)にエポキシ(epoxy)を含有させ、前記複数個の個別カードを収容しうる同じ大きさの強磁性の絶縁シートを準備するステップ;
前記絶縁シートと同じ大きさを有し、アンテナコイルが印刷されたインレイシートを準備し、前記絶縁シートと前記インレイシートとを含む複数個のシートを積層した積層シートの少なくとも一つの隅にホールを形成するステップ;
前記積層シートに形成されたホールを積載板ピンに挿入するステップ;
前記積層シートの上部に、前記メタルシートを合紙するステップ;
前記メタルシートと前記積層シートとをラミネートして、メタルカードシートを形成するステップ;及び
前記メタルカードシートを前記複数個の個別カードの外郭線に沿って切削するステップ;
を含むことを特徴とするメタルカードの製造方法。 - 前記メタルカードシートを切削するステップは、
CNC工程を通じて切削工具を使用して前記個別カードの外郭線を切削しながら、冷却アルコールを噴射するステップを含む請求項1に記載のメタルカードの製造方法。 - 前記積層シートの少なくとも一つの隅にホールを形成するステップは、
前記積層シートの2つ以上の隅が隣接する各頂点に穿孔を行い、前記ホールを形成するステップを含む請求項2に記載のメタルカードの製造方法。 - 前記切削工具を使用して前記個別カードの外郭線を切削する過程を、既設定された回数以上行えば、前記切削工具を交替するステップをさらに含む請求項3に記載のメタルカードの製造方法。
- 前記メタルシートを準備するステップは、前記メタルシートの少なくとも一つの隅にホールを形成するステップを含み、
前記積層シートと接触する前記メタルシートの背面にCNC工程を通じて挿入空間を形成するステップを含む請求項3に記載のメタルカードの製造方法。 - 前記メタルシートを準備するステップは、
前記挿入空間に対して、プラスチック材質からなる加工層を挿入するステップを含む請求項5に記載のメタルカードの製造方法。 - 前記メタルシートを準備するステップは、
前記加工層が挿入されたメタルシートの面と対向する面に対して、加工層露出部を形成するステップを含む請求項6に記載のメタルカードの製造方法。 - 前記メタルカードシートを切削するステップは、
前記加工層露出部よりも小さな幅を有しながら、前記個別カードの外郭線内部に位置したチップ露出領域を前記インレイシートの前記アンテナコイルが露出されるように切削するステップをさらに含む請求項7に記載のメタルカードの製造方法。
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