JP6784764B2 - アディティブ製造による均質な光学素子の創作 - Google Patents
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- B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Description
本説明を通して、示された実施形態及び例は、開示又は特許請求される装置及び手順に関する制限ではなく、典型であると考えられるべきである。本明細書で与えられた多くの例は、方法行為又はシステム要素の特定の組み合わせを含むが、当然のことながら、それらの行為及びそれらの要素は、同じ目的を達成するように他の仕方で組み合わせることができる。フローチャートに関して、付加的なステップ又はより少ないステップを利用することができ、示されるステップは、本明細書で説明される方法を達成するように組み合わせるか又はさらに洗練することができる。1つの実施形態に関連してのみ議論された行為、要素及び特徴は、他の実施形態における類似の役割から除外されることを意図したものではない。
Claims (25)
- 層で形成される光学素子をアディティブ製造する方法であって、
光源と光重合性液体との間に拡散器を配置するステップであって、前記拡散器は、前記光重合性液体に接しているステップと、
前記光学素子の層の各々に対して、光源からの光のパターンを、前記拡散器を通して前記光重合性液体に当てて前記光学素子の層を均一に重合させるステップを含み、
光の前記パターンを当てるステップは、前記拡散器が前記光源からの光を指向性から無方向性に変化させることにより、前記光学素子が形成されたときに散乱および回折の影響を無視できる程度に低減することを含む方法。 - 無方向性である光の均質なパターンは、前記光重合性液体に隣接する拡散器を通る光を当てることによって形成される、請求項1記載の方法。
- 前記拡散器はシリコーンを含む、請求項2記載の方法。
- 前記拡散器は、染料を含むシリコーン膜である、請求項2記載の方法。
- 前記シリコーン膜は約200ミクロン厚である、請求項4記載の方法。
- 前記染料は、前記シリコーン膜の重量の3%までである、請求項4記載の方法。
- 前記拡散器はオパール・ガラス層を含む、請求項2記載の方法。
- 前記オパール・ガラス層は、約10ミクロン〜約100ミクロンの間の厚さである、請求項7記載の方法。
- 前記拡散器はホログラフィック拡散器である、請求項2記載の方法。
- 前記拡散器は、前記光重合性液体を保持するタンクの研削面である、請求項2記載の方法。
- 光の前記パターンは、350nm〜420nmの間の波長を有するUV光である、請求項1記載の方法。
- 光の前記パターンの光源はデジタル光処理プロジェクタである、請求項1記載の方法。
- 層で形成される光学素子であって、
光源と光重合性液体との間に拡散器を配置するステップであって、前記拡散器は、前記光重合性液体に接しているステップと、
前記光学素子の層の各々に対して、光源からの光のパターンを、前記拡散器を通して前記光重合性液体に当てて前記光学素子の層を均一に重合させるステップを含み、
光の前記パターンを当てるステップは、前記拡散器が前記光源からの光を指向性から無方向性に変化させることにより、前記光学素子が形成されたときに散乱および回折の影響を無視できる程度に低減することを含むプロセスによって準備される、アディティブに製造される光学素子。 - 光の前記パターンは、前記光重合性液体に隣接する拡散器を通る光を当てることによって形成される、請求項13記載のアディティブに製造される光学素子。
- 光の前記パターンは、350nm〜420nmの間の波長を有するUV光である、請求項13記載のアディティブに製造される光学素子。
- 前記光の光源はデジタル光処理プロジェクタである、請求項13記載のアディティブに製造される光学素子。
- 層で形成される光学素子をアディティブに製造するためのシステムであって、
各々の層に対する光のパターンを生成するための光源と、
各々の層に対する光の前記パターンを均質化し、光源からの光を指向性から無方向性に変化させて、前記光学素子が形成されたときに散乱および回折の影響を無視できる程度に低減できる拡散器と、
その層のための光の前記パターンを受け取ることに応じて、各々の層を重合させるための光重合性液体と、
を備え、前記拡散器は、前記光重合性液体に接しているシステム。 - 前記光源はデジタル光処理プロジェクタである、請求項17記載のシステム。
- 前記拡散器はシリコーンを含む、請求項17記載のシステム。
- 前記拡散器は、染料を含むシリコーン膜である、請求項17記載のシステム。
- 前記シリコーン膜は約200ミクロン厚である、請求項20記載のシステム。
- 前記染料は、前記シリコーン膜の重量の3%までである、請求項20記載のシステム。
- 前記拡散器はオパール・ガラス層を含む、請求項17記載のシステム。
- 前記オパール・ガラス層は、約10ミクロン〜約100ミクロンの間の厚さである、請求項23記載のシステム。
- 前記拡散器はホログラフィック拡散器である、請求項17記載のシステム。
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US15/004,567 US10363710B2 (en) | 2016-01-22 | 2016-01-22 | Creating homogeneous optical elements by additive manufacturing |
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TWI448732B (zh) * | 2012-05-03 | 2014-08-11 | Young Optics Inc | 立體打印裝置 |
KR102348270B1 (ko) * | 2013-11-14 | 2022-01-10 | 스트럭토 피티이. 리미티드. | 적층 제조 장치 및 방법 |
US9933632B2 (en) | 2014-03-26 | 2018-04-03 | Indizen Optical Technologies, S.L. | Eyewear lens production by multi-layer additive techniques |
US9952448B2 (en) * | 2014-03-26 | 2018-04-24 | Indizen Optical Technologies, S.L. | Eyewear lens production by additive techniques |
WO2015197495A1 (en) * | 2014-06-27 | 2015-12-30 | Koninklijke Philips N.V. | Printing device and method for 3d printing |
CN104802414A (zh) * | 2015-05-20 | 2015-07-29 | 京东方科技集团股份有限公司 | 一种三维打印设备及三维打印方法 |
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EP3405330A1 (en) | 2018-11-28 |
AU2017208985A1 (en) | 2018-08-02 |
CA3011252A1 (en) | 2017-07-27 |
US10363710B2 (en) | 2019-07-30 |
US20170210072A1 (en) | 2017-07-27 |
JP2019508283A (ja) | 2019-03-28 |
EP3405330A4 (en) | 2019-09-11 |
EP3405330B1 (en) | 2021-08-18 |
CN109311222A (zh) | 2019-02-05 |
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