JP7384928B2 - 可変深さデバイス構造を形成する方法 - Google Patents
可変深さデバイス構造を形成する方法 Download PDFInfo
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- JP7384928B2 JP7384928B2 JP2021567794A JP2021567794A JP7384928B2 JP 7384928 B2 JP7384928 B2 JP 7384928B2 JP 2021567794 A JP2021567794 A JP 2021567794A JP 2021567794 A JP2021567794 A JP 2021567794A JP 7384928 B2 JP7384928 B2 JP 7384928B2
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- resist
- device material
- etching
- segments
- hard mask
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
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Description
Claims (20)
- 方法において、
デバイス材料の上にグレートーンレジストを形成することであって、
前記デバイス材料の上にレジスト材料を配置すること、及び
グレートーンパターンを形成するために、前記レジスト材料を現像することを含む、グレートーンレジストを形成すること、
周期的エッチングプロセスを実行することであって、
前記レジスト材料に選択的なレジストエッチングプロセスを使用して、前記グレートーンパターンのレジストセグメントをエッチングすること、
前記デバイス材料に選択的なデバイスパターンエッチングプロセスを使用して、前記デバイス材料のデバイスセグメントをエッチングすること、及び
前記グレートーンパターンの後続のレジストセグメントに対して前記レジストエッチングプロセスを繰り返し、後続のデバイスセグメントをエッチングし、勾配を有する上面を含むデバイス材料パターンを形成することを含む、周期的エッチングプロセスを実行すること、
前記デバイス材料の勾配面上にハードマスクを配置すること、
前記デバイス材料のセグメントを露出させるために、前記デバイス材料の前記勾配面上の前記ハードマスクをパターニングすること、並びに
前記デバイス材料の露出されたセグメントをエッチングして、前記勾配に対応して異なる深さを有し且つ所定のピッチで配置された複数の光学デバイス構造を形成すること
を含む、方法。 - 前記デバイス材料の前記露出されたセグメントをエッチングすることによって、前記デバイス材料の下面に対する傾斜角が90度未満である又は90度より大きい前記複数の光学デバイス構造を形成する、請求項1に記載の方法。
- 前記デバイス材料の前記露出されたセグメントをエッチングすることは、傾斜エッチングプロセスを含む、請求項2に記載の方法。
- 前記デバイス材料の前記露出されたセグメントをエッチングすることによって、前記デバイス材料の下面と実質的に垂直な前記複数の光学デバイス構造を形成する、請求項1に記載の方法。
- 前記デバイス材料の前記露出されたセグメントをエッチングすることは、等方性エッチングプロセスを含む、請求項4に記載の方法。
- エッチング停止層が、前記デバイス材料の下面に配置される、請求項1に記載の方法。
- 前記グレートーンパターンを形成することが、レーザーアブレーション又はリソグラフィプロセスを含む、請求項1に記載の方法。
- 前記レジスト材料と前記デバイス材料とのエッチング選択性が、約10:1から約1000:1である、請求項1に記載の方法。
- 前記デバイス材料と前記レジスト材料とのエッチング選択性が、約1:1から約10:1である、請求項1に記載の方法。
- 前記デバイス材料が基板である、請求項1に記載の方法。
- 前記デバイス材料は、基板の上に形成されたデバイス材料層である、請求項1に記載の方法。
- 方法において、
エッチング停止層を有する基板の表面の上にデバイス材料層を配置すること、
前記デバイス材料層の上にハードマスクを配置し、前記デバイス材料層のセグメントを露出させるために、前記ハードマスクをパターニングすること、
パターニングされた前記ハードマスクの上に、表面が傾斜しているグレートーンレジストを形成することであって、
前記パターニングされたハードマスクの上にレジスト材料を配置すること、及び
前記レジスト材料を現像して、表面が傾斜しているグレートーンパターンを形成することを含む、前記パターニングされたハードマスクの上に、表面が傾斜しているグレートーンレジストを形成すること、並びに
周期的エッチングプロセスを実行することであって、
前記レジスト材料に選択的なレジストエッチングプロセスを使用して、前記グレートーンパターンのレジストセグメントをエッチングすること、
前記デバイス材料層のデバイス材料に選択的なデバイスエッチングプロセスを使用して、前記デバイス材料層の露出されたセグメントをエッチングすること、及び
前記グレートーンパターンの後続のレジストセグメントに対して前記レジストエッチングプロセスを繰り返し、且つ前記デバイス材料層の後続の露出されたデバイスセグメントに対して前記デバイスエッチングプロセスを繰り返して、異なる深さを有し且つ所定のピッチで配置された複数の光学デバイス構造を形成することを含む、周期的エッチングプロセスを実行すること
を含む、方法。 - 前記グレートーンパターンを形成することは、レーザーアブレーション又はリソグラフィプロセスを含む、請求項12に記載の方法。
- 前記デバイスエッチングプロセスは、等方性エッチングプロセスを含み、前記デバイスエッチングプロセスによって、前記基板の前記表面に対して実質的に垂直な前記複数の光学デバイス構造を形成する、請求項12に記載の方法。
- 前記複数の光学デバイス構造の深さが、前記デバイス材料の厚さ未満である、請求項12に記載の方法。
- 前記レジスト材料と前記デバイス材料層のデバイス材料とのエッチング選択性が、約10:1から約1000:1である、請求項12に記載の方法。
- 前記デバイス材料と前記レジスト材料とのエッチング選択性が、約1:1から約10:1である、請求項12に記載の方法。
- 前記デバイス材料層は、1以上の酸炭化ケイ素(SiOC)、二酸化チタン(TiO2)、二酸化ケイ素(SiO2)、酸化バナジウム(IV)(VOx)、酸化アルミニウム(Al2O3)、酸化インジウム錫(ITO)、酸化亜鉛(ZnO)、五酸化タンタル(Ta2O5)、窒化ケイ素(Si3N4)、二酸化ジルコニウム(ZrO2)、又は炭窒化ケイ素(SiCN)含有材料を含む、請求項12に記載の方法。
- 方法において、
基板の表面の上にハードマスクを配置し、前記基板のセグメントを露出させるために、前記ハードマスクをパターニングすること、
パターニングされた前記ハードマスクの上に、表面が傾斜しているグレートーンレジストを形成することであって、
前記パターニングされたハードマスクの上にレジスト材料を配置すること、及び
レーザーアブレーションを用いて、前記レジスト材料を現像して、表面が傾斜しているグレートーンパターンを形成することを含む、パターニングされたハードマスクの上に、表面が傾斜しているグレートーンレジストを形成すること、並びに
周期的エッチングプロセスを実行することであって、
前記レジスト材料に選択的なレジストエッチングプロセスを使用して、前記グレートーンパターンのレジストセグメントをエッチングすること、
基板材料に選択的なデバイスエッチングプロセスを使用して、前記基板の露出されたセグメントをエッチングすること、及び
前記グレートーンパターンの後続のレジストセグメントに対して前記レジストエッチングプロセスを繰り返し、且つ基板材料層の露出されたセグメントに対して前記デバイスエッチングプロセスを繰り返して、異なる深さを有し且つ所定のピッチで配置された複数の光学デバイス構造を形成することを含む、周期的エッチングプロセスを実行すること
を含む、方法。 - 残留レジスト材料を除去し、続いて前記デバイス材料の上に前記ハードマスクを配置することをさらに含む、請求項1に記載の方法。
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US20220082739A1 (en) * | 2020-09-17 | 2022-03-17 | Facebook Technologies, Llc | Techniques for manufacturing variable etch depth gratings using gray-tone lithography |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002189112A (ja) | 2000-12-22 | 2002-07-05 | Canon Inc | 回折光学素子の製造方法、回折光学素子の製造方法によって製造したことを特徴とする回折光学素子製造用金型、回折光学素子、および該回折光学素子を有する光学系、光学機器、露光装置、デバイス製造方法、デバイス |
JP2005004068A (ja) | 2003-06-13 | 2005-01-06 | Dainippon Printing Co Ltd | スラント凹凸パターンの形成方法及びスラント凹凸パターンを有する基板 |
JP2005309441A (ja) | 2004-04-23 | 2005-11-04 | Schott Ag | マスターを作製する方法、マスター、光学素子を作製する方法及び光学素子 |
JP2010085625A (ja) | 2008-09-30 | 2010-04-15 | Dainippon Printing Co Ltd | 3次元パターン形成体の製造方法 |
US20180095201A1 (en) | 2016-10-05 | 2018-04-05 | Magic Leap, Inc. | Fabricating non-uniform diffraction gratings |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03246510A (ja) * | 1990-02-23 | 1991-11-01 | Sharp Corp | 回折格子光結合器の作成方法 |
US7643709B2 (en) * | 2006-05-12 | 2010-01-05 | Interuniversitair Microelektronica Centrum (Imec) | Slanted segmented coupler |
US7709341B2 (en) * | 2006-06-02 | 2010-05-04 | Micron Technology, Inc. | Methods of shaping vertical single crystal silicon walls and resulting structures |
JP2010102008A (ja) * | 2008-10-22 | 2010-05-06 | Fujinon Corp | フォトマスク及び鋸歯型パターン製造方法 |
FR3009892A1 (fr) * | 2013-08-20 | 2015-02-27 | Segton Adt | Ensemble opto-electronique forme d'une plateforme opto-phonique de traitement de la lumiere, de convertisseurs phoniques, et d'au moins un convertisseur lumiere-electricite pour former un capteur solaire |
US20160033784A1 (en) | 2014-07-30 | 2016-02-04 | Tapani Levola | Optical Components |
US9885870B2 (en) | 2016-04-25 | 2018-02-06 | Microsoft Technology Licensing, Llc | Diffractive optical elements with analog modulations and switching |
WO2018039278A1 (en) * | 2016-08-22 | 2018-03-01 | Magic Leap, Inc. | Multi-layer diffractive eyepiece |
FI128629B (en) * | 2017-06-02 | 2020-09-15 | Dispelix Oy | Method for making a master plate and a master plate |
US10732351B2 (en) * | 2018-04-23 | 2020-08-04 | Facebook Technologies, Llc | Gratings with variable depths formed using planarization for waveguide displays |
US10976483B2 (en) * | 2019-02-26 | 2021-04-13 | Facebook Technologies, Llc | Variable-etch-depth gratings |
-
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002189112A (ja) | 2000-12-22 | 2002-07-05 | Canon Inc | 回折光学素子の製造方法、回折光学素子の製造方法によって製造したことを特徴とする回折光学素子製造用金型、回折光学素子、および該回折光学素子を有する光学系、光学機器、露光装置、デバイス製造方法、デバイス |
JP2005004068A (ja) | 2003-06-13 | 2005-01-06 | Dainippon Printing Co Ltd | スラント凹凸パターンの形成方法及びスラント凹凸パターンを有する基板 |
JP2005309441A (ja) | 2004-04-23 | 2005-11-04 | Schott Ag | マスターを作製する方法、マスター、光学素子を作製する方法及び光学素子 |
JP2010085625A (ja) | 2008-09-30 | 2010-04-15 | Dainippon Printing Co Ltd | 3次元パターン形成体の製造方法 |
US20180095201A1 (en) | 2016-10-05 | 2018-04-05 | Magic Leap, Inc. | Fabricating non-uniform diffraction gratings |
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