JP2020524304A - 光学要素、このような光学要素を含むアセンブリ、及び光学要素の製造方法 - Google Patents
光学要素、このような光学要素を含むアセンブリ、及び光学要素の製造方法 Download PDFInfo
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- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/40—Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- G—PHYSICS
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- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
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- G02C1/04—Bridge or browbar secured to or integral with partial rims, e.g. with partially-flexible rim for holding lens
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/022—Ophthalmic lenses having special refractive features achieved by special materials or material structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
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- G—PHYSICS
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Abstract
Description
本発明の例示的な実施形態を、下記のような添付の図面を参照しながら以下に詳しく説明する。
− 並置され、重ねられた複数のボクセル(すなわち体積要素)は、各々がその長さにわたって一定又は可変の厚さを有し、且つ/又はすべてが同じ厚さを有するか又は有さない、重ねられた層を形成し;
− 材料は、1つ若しくは複数のアクリル、メタクリル、アクリレート若しくはメタクリレート機能を有する分子の1つ若しくは複数のファミリ、1つ若しくは複数のエポキシ、チオエポキシ若しくはチオールエン機能を有する分子のファミリ、1つ若しくは複数のチオール、スルフィド若しくはエピスルフィド機能を有する分子のファミリ、1つ若しくは複数のビニルエーテル、ビニルカプロラクタム若しくはビニルピロリドン機能を有する分子のファミリ、高分岐若しくはハイブリッド有機/無機材料のファミリ又はこれらの機能の組合せを含むフォトポリマーであり、上記の化学的機能は、モノマー若しくはオリゴマー又はモノマーとオリゴマーとの組合せにより担持される可能性があり;
− 材料は、少なくとも1種の光重合開始剤を含み得;
− 材料は、コロイド粒子又はナノ粒子、特に例えば可視波長より小さい粒径を有するコロイド粒子又はナノ粒子、例えば、
・例えば炭化カルシウム等のアルカリ土類金属の炭酸塩のナノ粒子、
・例えば硫化バリウム等のアルカリ土類金属の硫酸塩のナノ粒子、
・例えばアルミナ、酸化亜鉛、酸化ジルコニウム又は二酸化チタン等の金属酸化物のナノ粒子、
・半金属酸化物、例えば二酸化シリカのナノ粒子、
・金属硫化物、特に硫化亜鉛のナノ粒子、
・例えばシルセスキオキサン等のシロキサン、及び
・重合可能な有機基で機能化可能なナノ粒子
を含み得、このようなナノ粒子がモノマーに含められ、特にその屈折力を高めることができ;
− 材料は、少なくとも特定の事前決定された体積要素において、顔料又は染料、例えばアゾ、又はローダミン、又はシアニン、又はポリメチン、又はメロシアニン、又はフルオレセイン、又はピリリウム、又はフタロシアニン、又はペリレン、又はベンズアントロン、又はアントラピリミジン、又はアントラピリドンファミリに属する染料であるか、又はさらに希土類クリプタート又はキレート等の金属錯体染料を含み得、これらの材料が初期のモノマー調合に含められ、特にカラーレンズ又はさらにグラディエントカラーレンズを得ることができ;
− 製造プロセスは、追加の熱照射ステップ及び/又は例えばスペクトルの紫外線波長の追加の化学線照射ステップを含むか、又はさらに照射ステップを含まず;
− 製造プロセスは、眼鏡レンズの材料の屈折率変化が考慮されるステップを含み得、既知の最適化手順による反復最適化ループの形態を取り;
− 眼鏡レンズの材料は任意選択により、1種又は複数の染料、並びに/又はその光透過率及び/若しくはその外観を変化させるように構成されたナノ粒子、並びに/又はその機械的特性を変化させるように構成されたナノ粒子若しくは添加剤を含み;
− 付加製造機械は、3次元プリンティングマシンではなく、ステレオリソグラフィマシン(すなわち「ステレオリソグラフィ装置」の省略形SLA)又は緊張フィラメント積層機械(すなわち「熱溶融堆積法」の省略形のFDM)とも呼ばれる熱可塑性フィラメント押出し機であり;
− 制御ユニットは、マイクロプロセッサの代わりにマイクロコントローラを含む。
Claims (15)
- 付加製造方法により製作される光学レンズ(4;34;54;74)と、少なくとも部分的に前記付加製造方法により前記光学レンズ(4;34;54;74)と一緒に形成されるホルダ(6;36;56;76)と、を含む光学要素(2;32;52;72)において、前記ホルダ(6;36;56;76)は製造機械(20;24;28;66)と協働し、それによって前記光学レンズ(4;34;54;74)を前記製造機械(20;24;28;66)内の所定の位置に位置付けるようになされる光学要素。
- 前記ホルダ(6;76)は、脆弱部分(14;16;88)により相互に接続された少なくとも2つの部分(8、10、12;78、80、82、84)を含む、請求項1に記載の光学要素。
- 前記部分の一方(8)は前記製造機械(20)と協働するように設計され、前記部分のもう一方(10)は他の製造機械(24)と協働するように設計される、請求項2に記載の光学要素。
- 前記ホルダ(6;36;56;76)は、前記光学レンズ(4;34;54;74)に関連するコードを表すマーキングを含む、請求項1〜3の何れか1項に記載の光学要素。
- 前記ホルダ(56;76)は前記光学レンズ(54;74)を取り囲む、請求項1〜4の何れか1項に記載の光学要素。
- 前記ホルダ(56)は追加部分(60)を含み、前記追加部分(60)は前記製造機械(66)と協働するようになされる、請求項1〜5の何れか1項に記載の光学要素。
- 前記追加部分は外部リング(60)である、請求項6に記載の光学要素。
- 前記ホルダ(56)は少なくとも1つの参照要素(64)の位置を含む、請求項1〜7の何れか1項に記載の光学要素。
- 前記ホルダ(6;36;56;76)は、少なくとも1つの軸に沿って前記光学レンズを方向付けるようになされる、請求項1〜8の何れか1項に記載の光学要素。
- 前記光学レンズ(4;34;54;74)は眼鏡レンズである、請求項1〜9の何れか1項に記載の光学要素。
- 前記光学レンズ(4;34;54;74)は光学中心(O)を有し、前記ホルダ(6;36;56;76)は前記光学レンズ(4;34;54;74)の前記光学中心(O)を前記製造機械(20;24;28;66)の中の所定の位置に位置付けるようになされる、請求項1〜10の何れか1項に記載の光学要素。
- 請求項1〜11の何れか1項に記載の光学要素(2;32;52;72)と前記製造機械(20;24;28;66)を含むアセンブリ。
- 光学レンズ(4;34;54;74)と前記光学レンズ(4;34;54;74)と一緒に形成されるホルダ(6;36;56;76)の少なくとも一部を付加製造により製作するステップを含む光学要素(2;32;52;72)の製造方法において、前記ホルダ(6;36;56;76)は製造機械(20;24;28;66)と協働し、それによって前記光学レンズ(4;34;54;74)を前記製造機械(20;24;28;66)の中の所定の位置に位置付けるようになされる方法。
- 前記光学要素(2;32;52;72)を前記製造機械(20;24;28;66)の中に前記ホルダ(6;36;56;76)を介して取り付け、それによって前記光学レンズ(4;34;54;74)を前記所定の位置に位置付けるステップを含む、請求項13に記載の方法。
- 前記ホルダ(6;76)は、脆弱部分(14;16;88)により相互に接続される少なくとも2つの部分(8、10、12;78、80、82、84)を含み、前記方法は、前記部分(8、10、12;78、80、82、84)の各々を、それぞれ、関係する前記部分(8;10;12;78;80;82;84)がそれと協働することになる製造機械(20;24;28;66)に応じて設計する予備ステップを含む、請求項13又は14に記載の方法。
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EP18305102.8A EP3418043A1 (en) | 2017-06-19 | 2018-01-31 | Optical element, assembly comprising such an optical element and method of manufacturing an optical element |
PCT/EP2018/066298 WO2018234326A1 (en) | 2017-06-19 | 2018-06-19 | OPTICAL ELEMENT, ASSEMBLY COMPRISING SUCH AN OPTICAL ELEMENT, AND METHOD FOR MANUFACTURING AN OPTICAL ELEMENT |
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