JP7404371B2 - 複数の格子を形成する方法 - Google Patents
複数の格子を形成する方法 Download PDFInfo
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Description
本出願の実施形態は方法に関し、より具体的には、複数の格子を形成する方法に関する。
仮想現実とは、一般に、コンピュータで生成された模擬環境であって、その中でユーザが見かけ上の物理的存在を有する、模擬環境であると考えられる。仮想現実体験は、三次元(3D)で生成されることが可能であり、実際の環境を置換する仮想現実環境を表示するためのレンズとしてニアアイディスプレイパネルを有する、眼鏡又はその他のウエアラブルディスプレイデバイスといったヘッドマウントディスプレイ(HMD)を用いて視認されうる。
Claims (15)
- 第1の複数の格子を形成する方法であって、
基板上に配置された格子材料の上に保護材料を堆積させることであって、前記保護材料が、前記格子材料上に配置されたパターニングされたハードマスクの部分間に堆積され、前記保護材料は、前記格子材料の平坦な上面から前記保護材料の上面までの厚さを有し、前記保護材料の前記厚さは、イオンビームが前記格子材料に向けて方向付けられた時に前記保護材料の前記厚さが前記格子材料の除去を少なくとも部分的に阻害するように、前記格子材料の平坦な上面に沿って変動する、保護材料を堆積させることと、
前記格子材料の少なくとも一部分が除去され、これにより前記保護材料の前記厚さにそれぞれ対応する深さプロファイルを有する前記第1の複数の格子が形成されて、前記第1の複数の格子のうちの少なくとも1つの格子が前記第1の複数の格子のうちの他の格子とは異なる厚さを有するように、前記イオンビームを前記格子材料に向けて方向付けることと、を含み、前記第1の複数の格子のうちの少なくとも1つの格子が、5°~85°の角度を有する、
方法。 - 前記保護材料を堆積させることは、前記格子材料の第1部分と第2部分の上に前記保護材料を堆積させることであって、これにより、前記厚さを有する前記保護材料が、前記第1部分における前記格子材料の除去を完全に阻害する、前記保護材料を堆積させることと、
前記第2部分の上の前記保護材料を除去することと、を含む、請求項1に記載の方法。 - 前記第1部分の上に配置された前記保護材料が、前記第2部分の上に配置された前記保護材料よりも厚い、請求項2に記載の方法。
- 前記保護材料の前記厚さが、前記第1の複数の格子にわたって2次元的に変動するか、又は前記格子材料にわたって線形に変動する、請求項1に記載の方法。
- 複数の格子を形成する方法であって、
基板上に配置された格子材料の第1部分の上に保護材料を堆積させることであって、前記格子材料の前記第1部分は第2部分に隣接しており、前記保護材料が、前記第1部分上のパターニングされたハードマスクの部分間に配置され、前記パターニングされたハードマスクは、前記格子材料の上に配置され、前記保護材料は、前記格子材料の平坦な上面から前記保護材料の上面までの厚さを含み、前記保護材料の前記厚さは、イオンビームが前記格子材料に向けて方向付けられた時に前記格子材料の前記第1部分の除去を阻害する、保護材料を堆積させることと、
前記複数の格子が形成されるように、前記イオンビームを前記格子材料の前記第1部分及び前記第2部分に向けて方向付けることであって、前記第1部分において第1の複数の格子が形成され、前記第2部分において第2の複数の格子が形成され、前記第1の複数の格子は前記第2の複数の格子の第2の深さよりも小さな第1の深さを有し、前記第1の深さは対応する前記保護材料の厚さに基づく、前記イオンビームを前記格子材料の前記第1部分及び前記第2部分に向けて方向付けることと、を含み、
前記第1の複数の格子及び前記第2の複数の格子のうちの少なくとも1つの格子が、5°~85°の角度を有する、
方法。 - 前記格子材料の前記第2部分の上に前記保護材料を堆積させることを更に含む、請求項5に記載の方法。
- 前記第1部分の上に配置された前記保護材料が、前記第2部分の上に配置された前記保護材料よりも厚い、請求項6に記載の方法。
- 前記第1の複数の格子のうちの少なくとも1つの格子が、前記第1の複数の格子のうちの他の格子とは異なる厚さを有する、請求項5に記載の方法。
- 前記保護材料を堆積させること及び前記イオンビームを方向付けることが反復される、請求項5に記載の方法。
- 第1の複数の格子を形成する方法であって、:
基板上に配置された格子材料の第1部分及び第2部分の上に保護材料を堆積させることであって、前記格子材料の前記第1部分は第2部分に隣接しており、前記保護材料が、前記第1部分及び前記第2部分上のパターニングされたハードマスクの部分間に配置され、前記パターニングされたハードマスクは、前記格子材料の上に配置され、前記保護材料は、
前記格子材料の平坦な上面から前記保護材料の上面までの第1の厚さであって、イオンビームが前記第1部分に向けて方向付けられた時に前記格子材料の前記第1部分の除去を阻害する、前記保護材料の前記第1の厚さと、
前記格子材料の平坦な上面から前記保護材料の上面までの第2の厚さであって、イオンビームが前記第2部分に向けて方向付けられた時に前記格子材料の前記第2部分の除去を阻害する前記第2の厚さと、を含む、保護材料を堆積させることと、
前記第1の複数の格子及び第2の複数の格子が形成されるように、前記イオンビームを前記格子材料の前記第1部分及び前記第2部分に向けて方向付けることであって、前記第1部分において前記第1の複数の格子が形成され、前記第2部分において前記第2の複数の格子が形成され、前記第1の複数の格子は前記第2の複数の格子の第2の深さよりも小さな第1の深さを有し、前記第1の複数の格子の前記第1の深さは前記保護材料の前記第1の厚さに基づき、前記第2の複数の格子の前記第2の深さは前記保護材料の前記第2の厚さに基づく、前記イオンビームを前記格子材料の前記第1部分及び前記第2部分に向けて方向付けることと、を含み、
前記第1の複数の格子及び前記第2の複数の格子のうちの少なくとも1つの格子は、5°~85°の角度を有し、
前記第2部分の上に前記保護材料を堆積させることが、複数の加熱ピクセル又は発光ダイオード(LED)に前記保護材料を曝露することを含む、
方法。 - 前記複数の加熱ピクセル又はLEDの各々が個別に制御される、請求項10に記載の方法。
- 前記基板の裏面に、前記第1部分に対応する温度分布が提供される、請求項11に記載の方法。
- 前記第1の複数の格子のうちの少なくとも1つの格子が、前記第1の複数の格子のうちの他の格子とは異なる厚さを有する、請求項10に記載の方法。
- 前記保護材料がジアゾナフトキノン、フェノールホルムアルデヒド樹脂、ポリ(メチルメタクリレート)、ポリ(メチルグルタルイミド)、及びSU-8の少なくとも1つを含む、請求項10に記載の方法。
- 前記保護材料を堆積させることが、インクジェットプリンティング又は三次元(3D)プリンティングを含む、請求項10に記載の方法。
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