JP7476307B2 - 光学スキャンを使用した付加製造 - Google Patents
光学スキャンを使用した付加製造 Download PDFInfo
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- JP7476307B2 JP7476307B2 JP2022525212A JP2022525212A JP7476307B2 JP 7476307 B2 JP7476307 B2 JP 7476307B2 JP 2022525212 A JP2022525212 A JP 2022525212A JP 2022525212 A JP2022525212 A JP 2022525212A JP 7476307 B2 JP7476307 B2 JP 7476307B2
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Classifications
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
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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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
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- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B33Y70/00—Materials specially adapted for additive manufacturing
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- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0035—Fluorescent
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4735—Solid samples, e.g. paper, glass
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N2021/4764—Special kinds of physical applications
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Description
Claims (32)
- 付加製造方法であって:
物体を形成すること、該物体を形成することは、材料を付加造形プロセスで堆積させて前記物体を形成することを含み、前記材料は、構築材料成分及び光学強化成分を含む;
前記物体をスキャンすること、該物体をスキャンすることは、レーザプロフィロメトリ技法を使用することを含み、以下を含む、
前記物体から光学信号を放射させること、ここで、前記光学信号の前記放射は、少なくとも部分的に、前記光学強化成分からの放射によって生じる、
前記光学信号の前記放射を検知すること、及び、
前記放射の前記スキャンから前記物体の少なくとも1つの性質を特定すること;
を含む、方法。 - 付加製造方法であって:
物体を形成すること、該物体を形成することは、材料を付加造形プロセスで堆積させて前記物体を形成することを含み、前記材料は、構築材料成分及び光学強化成分を含む;
前記物体をスキャンすること、該物体をスキャンすることは、以下を含む、
前記物体から光学信号を放射させること、ここで、前記光学信号の前記放射は、少なくとも部分的に、前記光学強化成分からの放射によって生じる、
前記光学信号の前記放射を検知すること、及び、
前記放射の前記スキャンから前記物体の少なくとも1つの性質を特定すること;
を含み、
前記物体の前記少なくとも1つの性質を特定することは、前記物体における材料濃度を特定することを含む、方法。 - 前記物体の前記特定された少なくとも1つの性質に従って、前記物体への前記材料の更なる堆積を制御することを更に含む、請求項1または2に記載の方法。
- 前記光学信号の前記放射は、少なくとも部分的に、励起信号と前記物体における前記光学強化成分との相互作用によって生じる、請求項1または2に記載の方法。
- 前記光学信号の前記放射は、少なくとも部分的に、一過性の化学的プロセスによって生じる、請求項1または2に記載の方法。
- 放射を生じさせることは、前記光学強化材料成分から入射光学信号の散乱を生じさせることを含む、請求項1または2に記載の方法。
- 放射を生じさせることは、入射信号による励起から生じる前記光学強化材料成分からのフォトルミネッセンスを生じさせることを含む、請求項1または2に記載の方法。
- 前記物体を形成することは、複数の材料の堆積を含み、各材料は異なる光学強化成分を含み、前記物体をスキャンすることは、前記異なる光学強化成分の異なる放射特性に従って前記複数の材料のうちの材料を区別することを含む、請求項1~7のいずれか1項に記載の方法。
- 前記物体の前記少なくとも1つの性質を特定することは、前記物体の表面プロファイルを特定することを含む、請求項1~8のいずれか1項に記載の方法。
- 前記物体の前記少なくとも1つの性質を特定することは、前記物体における材料遷移を特定することを含む、請求項1~9のいずれか1項に記載の方法。
- 前記材料における前記光学強化成分の濃度を選択することを更に含む請求項1~10のいずれか1項に記載の方法。
- 前記材料は、1重量%未満の光学強化成分を有する、請求項1~11のいずれか1項に記載の方法。
- 前記材料は、0.1重量%未満の光学強化成分を有する、請求項12に記載の方法。
- 前記構築材料成分は、紫外線又は可視光硬化性樹脂を含む、請求項1~13のいずれか1項に記載の方法。
- 前記光学強化成分は、405nmにおいて光を吸収又は蛍光させる、請求項1~14のいずれか1項に記載の方法。
- 前記光学強化成分は、スチルベンを含む、請求項1~15のいずれか1項に記載の方法。
- 前記光学強化成分は、チオフェンを含む、請求項1~16のいずれか1項に記載の方法。
- 前記光学強化成分は、2,2’-(2,5-チオフェンジイル)ビス(5-tert-ブチルベンゾオキサゾール)を含む、請求項17に記載の方法。
- 前記光学強化成分は、2,2’-(1,2-エテンジイル)ビス(4,1-フェニレン)ビスベンゾオキサゾールを含む、請求項16に記載の方法。
- 請求項1~19のいずれか1項に記載のステップの全てを実行するように構成された三次元プリントシステム。
- 三次元プリントシステムであって、
液体状態の材料を制御可能に堆積させて物体を形成するように構成された材料堆積サブシステムであって、前記材料は、構築材料成分及び光学強化成分を含む、材料堆積サブシステムと、
前記物体から光学信号を放射させるように構成されたスキャンシステムであって、前記スキャンシステムはレーザプロフィロメトリ技法を用いており、前記光学信号の前記放射は、少なくとも部分的に、励起信号と前記物体における前記光学強化成分との相互作用によって生じ、前記スキャンシステムは、前記光学信号の前記放射を検知し、前記放射の前記スキャンから前記物体の少なくとも1つの性質を特定するように更に構成される、スキャンシステムと、
前記物体の前記特定された少なくとも1つの性質に従って前記材料堆積サブシステムによる更なる材料堆積を制御するように構成されたコントローラと、
を備える、三次元プリントシステム。 - レーザプロフィロメトリ技法を用いた三次元付加造形で使用するための液体材料であって、
構築材料成分と、
光学強化成分と、
を含み、
前記光学強化成分は、405nmにおいて光を吸収及び蛍光させる、液体材料。 - 前記構築材料は、紫外線又は可視光硬化性樹脂を含む、請求項22に記載の液体材料。
- 前記構築材料は、透明材料を含む、請求項22に記載の液体材料。
- 前記光学強化成分は、物体の造形での使用後、前記物体への入射信号による励起によって生じる前記物体からの光学信号を放射する、請求項22に記載の液体材料。
- 前記光学強化成分は、前記入射信号を散乱させることによって前記光学信号を放射する、請求項25に記載の液体材料。
- 前記光学強化成分は、前記入射信号によって励起したフォトルミネッセンスによって前記光学信号を放射する、
請求項25に記載の液体材料。 - 前記液体材料は、1重量%未満の光学強化成分を有する、請求項22に記載の液体材料。
- 前記液体材料は、0.1重量%未満の光学強化成分を有する、請求項28に記載の方法。
- 前記光学強化成分は、スチルベン又はチオフェンを含む、請求項22に記載の液体材料。
- 前記光学強化成分は、2,2’-(2,5-チオフェンジイル)ビス(5-tert-ブチルベンゾオキサゾール)を含む、請求項22に記載の液体材料。
- 前記光学強化成分は、2,2’-(1,2-エテンジイル)ビス(4,1-フェニレン)ビスベンゾオキサゾールを含む、請求項22に記載の液体材料。
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