JP2020111065A - フィラー充填フィルム、枚葉フィルム、積層フィルム、貼合体、及びフィラー充填フィルムの製造方法 - Google Patents
フィラー充填フィルム、枚葉フィルム、積層フィルム、貼合体、及びフィラー充填フィルムの製造方法 Download PDFInfo
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Abstract
Description
まず、図1〜図3に基づいて、本実施形態に係るフィラー充填フィルム1の構成について説明する。図1に示すように、フィラー充填フィルム1は、フィルム本体2と、フィルム本体2の表面に形成された複数の凹部3と、凹部3の各々に充填されたフィラー4とを備える。
次に、図4〜図9に基づいて、フィラー充填フィルム1の各種変形例について説明する。図4に示すフィラー充填フィルム1aは、上述したフィラー充填フィルム1に被覆層5を追加したものである。被覆層5は、フィルム本体2の表面、すなわち、凹部3の表面(壁面及び底面)と、凹部3間の凸部3bの表面(先端面)とを覆う。なお、被覆層5は、凹部3の表面及び凸部3bの表面のうち、いずれか一方のみを覆っても良い。フィラー4は、被覆層5で覆われた凹部3内に充填される。
上述したフィラー充填フィルム1は、複数枚にカットされることで枚葉フィルムとされてもよい。本実施形態に係るフィラー充填フィルム1では、全域でフィラー充填率を安定化させることができるので、同質の枚葉フィルムを複数作製することができる。なお、上述した各変形例に係るフィルムも同様に枚葉フィルムとされてもよい。
フィルム本体2は、ロールツーロール方式の転写装置によって製造可能である。以下では、図10を参照して、転写装置の一例である転写装置100の構成について説明する。図10に示す転写装置100では、光硬化性樹脂を用いてフィルム本体2を作製する。
次に、図11に基づいて、露光装置200の構成について説明する。露光装置200は、原盤110を形成する装置である。露光装置200は、レーザ光源221と、第1ミラー223と、フォトダイオード(Photodiode:PD)224と、偏向光学系225と、制御機構237と、第2ミラー231と、移動光学テーブル232と、スピンドルモータ235と、ターンテーブル236とを備える。また、基材110aは、ターンテーブル236上に載置され、回転することができるようになっている。
次に、フィラー充填フィルム1の製造方法について説明する。まず、上述した原盤110を準備する。ついで、転写装置100を用いて、被転写フィルム2aに原盤110の周面形状を転写する。これにより、フィルム本体2を作製する。ついで、フィルム本体2の表面に形成された複数の凹部3にフィラー4を充填する。ここで、凹部3にフィラー4を充填する方法は特に問われない。例えば、フィルム本体2の表面にフィラー4を分散させる。ついで、フィルム本体2の表面を布などでワイプする。これにより、フィラー4をフィルム本体2の表面に形成された凹部3に充填することができる。なお、凹部3の一部だけが硬化されている場合、フィラー4を凹部3に充填させた後に凹部3を完全に硬化させても良い。これにより、フィラー4が凹部3内でフィルム本体2と一体化される。なお、フィラー充填フィルム1に充填されたフィラー4を他のフィルム等に転写してもよい。さらに、このような転写フィルムを順次積層してもよい。また、更に他のフィルムで積層してもよい。すなわち、転写及び積層を繰り返すことで、フィラーの一部または全部が他のフィルムの定められた位置に設けられることになる。
次に、本発明の実施例を説明する。実施例では、転写装置100を用いてフィルム本体2を作製した。原盤110は、以下の工程により作製した。具体的には、4.5mm厚の円筒形状の石英ガラスからなる基材110aの外周面に、炭化水素系ガスを用いたCVD(Chemical Vapor Deposition)によりDLC(Diamond Like Carbon)を膜厚800nmにて成膜し、中間層とした。次に、中間層上にタングステン酸化物をスパッタ法により膜厚55nmにて成膜し、レジスト層とした。
10cm*10cmの大きさのSUS板を機械的に切削することで、実施例と同様の配列パターンの凸部が形成されたスタンパ原盤を得た。また、スタンパ原盤の凸部が形成された面(凹凸面)には、フッ素系離型剤(ダイキン工業社製ダイフリーGA70500)をスプレーした。そして、転写装置100の原盤110をスタンパ原盤に置き換えた他は同様の処理を行うことで、フィルム本体を作製した。
2 フィルム本体
3 凹部
4 フィラー
5、6、7 被覆層
8 粘着層
Claims (15)
- フィルム本体と、
前記フィルム本体の表面に形成された複数の凹部と、
前記凹部の各々に充填されたフィラーと、を備え、
前記凹部の開口面の直径は少なくとも可視光波長よりも大きく、
前記凹部の配列パターンは前記フィルム本体の長さ方向に沿った周期性を有し、
前記フィルム本体の一方の端部における前記フィラーの充填率と、前記フィルム本体の他の部分における前記フィラーの充填率との差は0.5%未満である、フィラー充填フィルム。 - 前記フィルム本体は、長尺フィルムである、請求項1記載のフィラー充填フィルム。
- 前記フィラーの充填率は、前記フィルム本体の長さ方向に沿った周期性を有する、請求項1または2に記載のフィラー充填フィルム。
- 全ての前記凹部は、略同一形状となっている、請求項1〜3のいずれか1項に記載のフィラー充填フィルム。
- 前記フィルム本体の単位面積当りに充填されるフィラーの数は、50,000,000個/cm2以下である、請求項1〜4のいずれか1項に記載のフィラー充填フィルム。
- 前記フィラーは、前記凹部内で前記フィルム本体と一体化されている、請求項1〜5のいずれか1項に記載のフィラー充填フィルム。
- 前記フィルム本体の表面のうち、少なくとも一部に形成された被覆層を備える、請求項1〜6のいずれか1項に記載のフィラー充填フィルム。
- 前記被覆層は、前記凹部の表面、前記凹部間の凸部の表面、及び前記フィラーの露出面のうち、少なくとも一部に形成される、請求項7記載のフィラー充填フィルム。
- 前記被覆層は、無機材料を含む、請求項7または8記載のフィラー充填フィルム。
- 前記フィルム本体は、硬化性樹脂または可塑性樹脂で形成される、請求項1〜9のいずれか1項に記載のフィラー充填フィルム。
- 請求項1〜10のいずれか1項に記載のフィラー充填フィルムを複数枚にカットすることで作製される、枚葉フィルム。
- 請求項1〜11のいずれか1項に記載のフィルムが積層された、積層フィルム。
- 前記フィルム本体の裏面に形成された粘着層を備える、請求項1〜12のいずれか1項に記載のフィルム。
- 請求項1〜13の何れか1項に記載のフィルムと、
前記フィルムが貼り合わされた基材と、を備える、貼合体。 - 周面に複数の凸部が形成された円筒または円柱形状の原盤を準備するステップと、
長尺な被転写フィルムをロールツーロールで搬送する一方で、前記原盤の周面形状を前記被転写フィルムに転写することで、フィルム本体を作製するステップと、
前記フィルム本体の表面に形成された複数の凹部にフィラーを充填するステップと、を含み、
前記凹部の開口面の直径は少なくとも可視光波長よりも大きく、
前記フィルム本体の一方の端部における前記フィラーの充填率と、前記フィルム本体の他の部分における前記フィラーの充填率との差は0.5%未満である、フィラー充填フィルムの製造方法。
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JPS5040671A (ja) * | 1973-08-17 | 1975-04-14 | ||
JPH05329437A (ja) * | 1992-05-27 | 1993-12-14 | Dainippon Printing Co Ltd | 化粧シートの製造方法 |
JP2000355048A (ja) * | 1999-06-16 | 2000-12-26 | Dainippon Printing Co Ltd | ポリオレフィン化粧材の製造方法 |
JP2001239627A (ja) * | 2000-02-29 | 2001-09-04 | Dainippon Printing Co Ltd | エンボス化粧シート |
JP2003526817A (ja) * | 2000-03-03 | 2003-09-09 | シピックス・イメージング・インコーポレーテッド | 電気泳動ディスプレイ |
JP2011107405A (ja) * | 2009-11-17 | 2011-06-02 | Sekisui Chem Co Ltd | 視野角制御シート及びその製造方法 |
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KR20170029623A (ko) | 2017-03-15 |
US20170320279A1 (en) | 2017-11-09 |
US10065380B2 (en) | 2018-09-04 |
TW201622952A (zh) | 2016-07-01 |
CN106794622A (zh) | 2017-05-31 |
JP2016083940A (ja) | 2016-05-19 |
KR101929692B1 (ko) | 2018-12-14 |
JP6756098B2 (ja) | 2020-09-16 |
TWI668097B (zh) | 2019-08-11 |
JP7051256B2 (ja) | 2022-04-11 |
JP2022060301A (ja) | 2022-04-14 |
CN106794622B (zh) | 2021-09-24 |
JP7360064B2 (ja) | 2023-10-12 |
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