DE535720T1 - Stereolithographische Vorrichtung und Verfahren zur Herstellung von dreidimensionalen Gegenständen. - Google Patents
Stereolithographische Vorrichtung und Verfahren zur Herstellung von dreidimensionalen Gegenständen.Info
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- DE535720T1 DE535720T1 DE0535720T DE92120977T DE535720T1 DE 535720 T1 DE535720 T1 DE 535720T1 DE 0535720 T DE0535720 T DE 0535720T DE 92120977 T DE92120977 T DE 92120977T DE 535720 T1 DE535720 T1 DE 535720T1
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- 238000006243 chemical reaction Methods 0.000 claims abstract 3
- 239000002245 particle Substances 0.000 claims abstract 3
- 239000010410 layer Substances 0.000 claims 33
- 239000000376 reactant Substances 0.000 claims 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 6
- 239000007787 solid Substances 0.000 claims 6
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical group [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims 4
- 239000011248 coating agent Substances 0.000 claims 4
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- 238000000576 coating method Methods 0.000 claims 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000010894 electron beam technology Methods 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
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- 239000000126 substance Substances 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
Classifications
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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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
- B29C64/124—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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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
- B29C64/124—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
- B29C64/129—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
- 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
- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03F7/0037—Production of three-dimensional images
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
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- G03F7/70416—2.5D lithography
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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-
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- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
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- B29C2035/0833—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using actinic light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0844—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using X-ray
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
- B29C2035/0877—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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- Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
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- Business, Economics & Management (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Polymerisation Methods In General (AREA)
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Claims (35)
1. Ein Verfahren zum Erzeugen eines dreidimensionalen Gegenstandes,
wobei das Verfahren aufweist:
einzelne feste Schichten, die die Querschnitte des zu bildenden is dreidimensionalen Gegenstandes darstellen, werden erzeugt; und
aufeinanderfolgende benachbarte dieser Schichten werden haftend integriert, um das dreidimensionale Gegenstand zu bilden.
2. Ein Verfahren nach Anspruch 1, wobei der Schritt des haftenden Integrierens einschließt, daß jede Schicht direkt auf der unmittelbar
vorherigen Schicht gebildet wird.
3. Ein Verfahren zum Erstellen eines dreidimensionalen Gegenstandes
aus einem fluiden Medium, wobei das Verfahren aufweist:
ein fluides Medium wird an einer vorbestimmten Oberfläche des Mediums selektiv verfestigt, um eine den Querschnitt eines zu
bildenden dreidimensionalen Gegenstandes darstellende Schicht zu erzeugen; und
aufeinanderfolgende benachbarte Schichten werden automatisch miteinander verbunden, um den dreidimensionalen Gegenstand
aus dem fluiden Medium zu bilden.
4. Verfahren zum Erstellen eines dreidimensionalen Gegenstandes aus
einem fluiden Medium, wobei das Verfahren aufweist:
ein Körper eines fluiden Mediums, das sich verfestigen kann,
wenn es einer vorgeschriebenen, synergistischen Stimulation ausgesetzt wird, wird eingeschlossen; und
aufeinanderfolgender Schichten des Mediums werden an einer vorbestimmten Oberfläche des Mediums verfestigt, um entsprechende
aufeinanderfolgende, den dreidimensionalen Gegenstand definierende Schichten zu bilden.
5. Ein System zur Herstellung eines dreidimensionalen Gegenstandes
aus einem fluiden Medium, das sich verfestigen kann, wenn es einer
is vorgeschriebenen, synergistischen Stimulation ausgesetzt wird, wobei
das System aufweist:
Mittel zum Schreiben auf und zum Bilden aufeinanderfolgender Querschnitte des Gegenstandes an einer zweidimensionalen
Schnittstelle; und
Mittel zum Bewegen der Querschnitte während sie gebildet werden und zum Aufbauen des Gegenstandes in schrittweiser
Art, wobei ein dreidimensionaler Gegenstand aus einer im wesentlichen zweidimensionalen Oberfläche herausgezogen wird.
6. Ein verbessertes System zur Herstellung eines dreidimensionalen
Gegenstandes aus einem fluiden Medium, das sich verfestigen kann, wenn es einer vorgeschriebenen, synergistischen Stimulation ausgesetzt
wird, wobei das System aufweist:
053S 720
einen Körper eines fluiden Mediums, das, wenn es einer synergistischen
Stimulierung ausgesetzt wird, seinen physikalischen Zustand ändern kann;
Gegenstandstragemittel, die in das fluide Medium eingetaucht sind, um einen zu bildenden, dreidimensionalen Gegenstand zu
tragen;
Translationsmittel zum selektiven, fortschreitenden Wegbewegen &iacgr;&ogr; der Gegenstandstragemittel von einer vorbestimmten Oberfläche
des fluiden Mediums; und
Reaktionsmittel, die den physikalischen Zustand des fluiden Mediums verändern und in einem vorbestimmten Muster auf der
is vorbestimmten Oberfläche des fluiden Mediums arbeiten können,
um eine dünne, feste Schicht an der Oberfläche bereitzustellen, die eine entsprechende Querschnittsschicht des zu bildenden
dreidimensionalen Gegenstandes darstellt,
wobei aufeinanderfolgende, benachbarte Schichten bereitgestellt werden, um den dreidimensionalen Gegenstand auf den Gegenstandstragemitteln
zu bilden, während die Translationsmittel die Tragemittel von der vorbestimmten Oberfläche wegbewegen.
7. System nach Anspruch 6, das ferner aufweist:
programmierte Steuermittel zum Variieren des graphischen Musters der Reaktionsmittel, die auf der vorbestimmten Oberfläche
des fluiden Mediums einwirken.
053S 720
8. System nach Anspruch 6, wobei die Reaktionsmittel einschließen können:
einen Strahl auftreffender Strahlung, einen Elektronenstrahl, einen hochenergetischen Teilchenstrahl, einen Lichtstrahl; Röntgenstrahlen;
einen ultravioletten Lichtstrahl; oder einen Strahl eines reaktiven chemischen Mittels, um die Verfestigung des
fluiden Mediums herbeizuführen.
&iacgr;&ogr;
9. System nach Anspruch 6, wobei die Reaktionsmittel einschließen:
eine mit einem Muster versehene Maske, die diese vorbestimmte Oberfläche überlappt, um ein Chemikalie selektiv aufzutragen,
um das Verfestigen des fluiden Mediums herbeizuführen; um is diese Oberfläche einer synergistischen Stimulation selektiv auszusetzen,
oder um diese Oberfläche einer Strahlung selektiv auszusetzen.
10. System nach Anspruch 6, wobei die Translationsmittel das Gegenstand,
während es gebildet wird, von der vorbestimmten Oberfläche weg und tiefer in das fluide Medium, oder weg von der Oberfläche
und aus dem fluiden Medium bewegen.
11. System nach Anspruch 6, wobei die vorbestimmte Oberfläche den Reaktionsmitteln mittels eines zweiten, nicht reaktiven Mediums
ausgesetzt wird.
12. System nach Anspruch 6, das ferner einschließt:
einen Behälter für das fluide Medium, wobei die vorbestimmte Oberfläche den Reaktionsmitteln durch den Boden des Behälters
ausgesetzt wird und dies mittels eines zweiten, nicht reaktiven Mediums erfolgt, das benachbart der vorbestimmten Oberfläche
ist.
13. System nach Anspruch 12, wobei das zweite, nicht reaktive Medium
schweres Wasser oder Ethylenglykol ist.
&iacgr;&ogr;
14. System nach Anspruch 6, das ferner einschließt:
Rotationsmittel, als Zusatz für die Translationsmittel zum Verändern
der Orientierung des Gegenstandes relativ zu der vorbestimmten Oberfläche, an der die Schichten gebildet werden.
15. System nach Anspruch 6, wobei das Niveau des flüssigen Mediums,
das die vorbestimmte Oberfläche lokalisiert, variabel ist; oder das Niveau des flüssigen Mediums, das die vorbestimmte Oberfläche
lokalisiert, konstant gehalten wird.
16. System nach Anspruch 6, wobei die Translationsmittel eine Vielzahl
von Freiheitsgraden der Bewegung haben.
17. System nach Anspruch 8, wobei die Reaktionsmittel den Strahl auftreffender Strahlung einschließen, und eine präzise Fokussierung
des Strahls auf der vorbestimmten Oberfläche beibehalten wird.
18. System nach Anspruch 6, wobei das vorgeschriebene Muster auf der
vorbestimmten Oberfläche durch Strahlung gebildet wird, die von der
Oberfläche einer Kathodenstrahlenröhre herrührt.
19. System nach Anspruch 6, wobei das vorgeschriebene Muster durch
Licht gebildet wird, das direkt von einem Phosphorbild herrührt.
20. Ein System zum direkten Herstellen eines dreidimensionalen Gegen-Standes,
wie es von einem Computer entworfen wird, umfassend:
ein graphisches Bildausgangssignal wird von dem Computer hergeleitet, wobei das graphische Bild aufeinanderfolgende, benachbarte
Querschnitte des von dem Computer entworfenen &iacgr;&ogr; dreidimensionalen Gegenstandes definiert;
Mittel zum Schreiben auf und zum Bilden aufeinanderfolgender Querschnitte, die den durch den Computer entworfenen Querschnitten
des Gegenstandes entsprechen, und zwar an einer zweidimensionalen Schnittstelle; und
Mittel zum Bewegen der Querschnitte, während sie gebildet werden, und zum Aufbauen des Gegenstandes in einer schrittweisen
Art, wobei der von dem Computer entworfene, dreidimensionale Gegenstand automatisch aus einer im wesentlichen
zweidimensionalen Oberfläche herausgezogen wird.
21. Ein Verfahren zum Erstellen eines dreidimensionalen Gegenstandes
aus einem fluiden Medium, das seinen physikalischen Zustand verändern kann, wenn es einer vorgeschriebenen Strahlung ausgesetzt
wird, wobei das Verfahren aufweist:
ein Körper eines fluiden Mediums, das seinen physikalischen Zustand verändern kann;
Mittel zum Bilden des dreidimensionalen Gegenstandes aus dem flüssigen Medium durch Bestrahlen einer vorbestimmten Oberfläche
des Mediums, um integrierte, aufeinanderfolgende Oberflächenschichten an der Oberfläche zu erstellen, wobei die
Schichten zusammen den dreidimensionalen Gegenstand definieren.
22. Ein Verfahren zum Erstellen eines dreidimensionalen Gegenstandes
aus einem fluiden Medium, das seinen physikalischen Zustand verändern kann, wenn es einer vorgeschriebenen Strahlung ausgesetzt
wird, wobei das Verfahren aufweist:
ein Körper eines fluiden Mediums, das seinen physikalischen Zustand verändern kann, wird eingeschlossen;
eine vorbestimmte Oberfläche des fluiden Mediums wird mit einem vorgeschriebenen Muster bestrahlt, um eine dünne Querschnittsschicht
an der vorbestimmten Oberfläche zu erstellen; und
eine Serie solcher Schichten wird wiederholt aufeinanderfolgend gebildet, um den erwünschten dreidimensionalen Gegenstand aus
aufeinanderfolgenden benachbarten Schichten aufzubauen, welche zusammen den Gegenstand definieren.
23. Ein verbessertes System zur Herstellung eines dreidimensionalen
Gegenstandes aus einem fluiden Medium, wobei das System aufweist:
ein Körper eines fluiden Mediums, das seinen physikalischen Zustand in Antwort auf eine vorgeschriebene Strahlung verändern
kann;
eine Strahlungsquelle zum Aufbringen der vorgeschriebenen Strahlung in einem ausgewählten Muster auf einer vorbestimmten
Oberfläche des fluiden Mediums, um nur an der Oberfläche eine dünne, feste Schicht zu erstellen, die eine Querschnittsschicht des zu bildenden, dreidimensionalen Gegenstandes darstellt;
und
Mittel zum Verbinden aufeinanderfolgender, benachbarter Schichten,
um den dreidimensionalen Gegenstand aus dem fluiden Medium zu bilden.
24. System nach Anspruch 23, wobei die Strahlungsquelle einschließen
kann:
einen Strahl auftreffender Strahlung, einen Elektronenstrahl, einen hochenergetischen Teilchenstrahl, einen Lichtstrahl; einen
ultravioletten Lichtstrahl oder Röntgenstrahlen.
25. System nach Anspruch 23, wobei die Strahlungsquelle und -muster
einschließen:
eine mit einem Muster versehene Maske, die diese vorbestimmte Oberfläche überlappt, um diese Oberfläche einer synergistischen
Stimulation selektiv auszusetzen, oder um diese Oberfläche einer Strahlung selektiv auszusetzen; oder eine mit einem
Muster versehene Maske, die die vorbestimmte Oberfläche überlappt und selektiv der Strahlung aussetzt.
26. System nach Anspruch 23, wobei die vorbestimmte Oberfläche den
Reaktionsmitteln mittels eines zweiten, nicht reaktiven Mediums ausgesetzt wird.
27.System nach Anspruch 23, das ferner einschließt:
&iacgr;&ogr; einen Behälter für das fluide Medium, wobei die vorbestimmte
Oberfläche durch den Boden des Behälters der vorgeschriebenen Strahlung ausgesetzt wird und dies mittels eines zweiten, nicht
reaktiven Mediums erfolgt, das benachbart der vorbestimmten Oberfläche ist, wobei das zweite, nicht reaktive Medium vorzugsweise
schweres Wasser oder Ethylenglykol ist.
28. System nach Anspruch 23, wobei das Niveau des flüssigen Mediums,
das die vorbestimmte Oberfläche lokalisiert, konstant gehalten wird.
29. System nach Anspruch 23, wobei die Translationsmittel eine Vielzahl
von Freiheitsgraden der Bewegung haben.
30. System nach Anspruch 23, wobei eine präzise Fokussierung der vorbestimmten Strahlung auf der vorbestimmten Oberfläche beibehalten
wird.
31. System nach Anspruch 23, wobei das vorgeschriebene Muster auf der
vorbestimmten Oberfläche durch Strahlung gebildet wird, die von „der
Oberfläche einer Kathodenstrahlenröhre herrührt.
32. System nach Anspruch 23, wobei das vorgeschriebene Muster durch
Licht gebildet wird, das direkt von einem Phosphorbild herrührt.
33. System nach Anspruch 23, das ferner einschließt:
programmierte Steuermittel zum Variieren des Musters der auf
der vorbestimmten Oberfläche des fluiden Mediums auftreffenden Strahlung.
&iacgr;&ogr;
34. Ein Verfahren zum Herstellen eines dreidimensionalen Gegenstandes
(30) aus einem Körper eines fluiden Mediums (22), das sich in Antwort auf eine synergistische Stimulation verfestigen kann, dadurch
daß eine vorbestimmte Arbeitsoberfläche (23) des Mediums in einem vorbestimmten Muster wiederholt einer synergistischen Stimulation
ausgesetzt wird, wodurch individuelle feste, eine Querschnittsfläche (30a, 30b, 30c) des Gegenstandes darstellende Schichten erzeugt
werden, wobei aufeinanderfolgende, benachbarte Schichten (30a, 30b, 30c) haftend integriert werden, um den dreidimensionalen Gegenstand
(30) zu bilden,
dadurch gekennzeichnet, daß
eine vorherige feste Schicht danach, in Vorbereitung für die Bildung
der nächsten darauffolgenden Schicht, an der Arbeitsoberfläche (23), über zumindest einem Abschnitt der Schicht mit einer übermäßigen
Dicke des Mediums (22) beschichtet wird, welches danach auf eine Schicht mit der für die nächste Schicht korrekten Dicke verringert
wird.
0S3S 720
35. Eine Vorrichtung zum Herstellen eines dreidimensionalen Gegenstandes
(30) aus einer Menge eines fluiden Mediums, das sich verfestigen kann, wenn es einer synergistischen Stimulierung unterworfen
wird, wobei das System aufweist:
einen Körper eines Mediums (27), das seinen physikalischen Zustand
in Antwort auf eine vorgeschriebene Stimulation verändern kann;
Gegenstandstragemittel (29), zum Tragen eines zu bildenden, dreidimensionalen
Gegenstandes;
Reaktionsmittel (26, 28), die synergistische Stimulierung erzeugen, die
den physikalischen Zustand des fluiden Mediums verändern und in einem vorbestimmten Muster auf der vorbestimmten Arbeitsoberfläche
(23) des fluiden Mediums arbeiten können, um eine feste, erste Querschnittsschicht der Struktur an der Arbeitsoberfläche (23)
zu erstellen, die eine entsprechende Querschnittsschicht (30a, 30b, 30c) des zu bildenden, dreidimensionalen Gegenstandes (30) darstellt;
und
Beschichtungsmittel (28,29) zum Beschichten über zumindest die erste
Querschnittsschicht der Struktur, in Vorbereitung für die Bildung einer zweiten Querschnittsschicht der Struktur, die an der ersten
Querschnittsschicht der Struktur haftet, wobei eine Vielzahl von aufeinanderfolgend, benachbarten, haftenden Schichten (30a, 30b, 30c)
erstellt wird, um den dreidimensionalen Gegenstand (30) auf den Gegenstandstragemitteln (29) zu bilden,
dadurch gekennzeichnet, daß
die Beschichtungsmittel einschließen
Mittel zum Beschichten über zumindest einem Abschnitt der ersten Querschnittsschicht der Struktur mit einer übermäßigen Dicke des
Mediums und zum Verringern der übermäßigen Dicke des Mediums auf eine für die darauffolgende Schicht korrekte Dicke.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/638,905 US4575330A (en) | 1984-08-08 | 1984-08-08 | Apparatus for production of three-dimensional objects by stereolithography |
Publications (1)
Publication Number | Publication Date |
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DE535720T1 true DE535720T1 (de) | 1996-06-27 |
Family
ID=24561940
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
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DE198585109899T Pending DE171069T1 (de) | 1984-08-08 | 1985-08-06 | Stereolithographische vorrichtung und verfahren zur herstellung von dreidimensionalen gegenstaenden. |
DE3588184T Expired - Fee Related DE3588184T2 (de) | 1984-08-08 | 1985-08-06 | Stereolithographische Vorrichtung und Verfahren zur Herstellung von dreidimensionalen Gegenständen |
DE0535720T Pending DE535720T1 (de) | 1984-08-08 | 1985-08-06 | Stereolithographische Vorrichtung und Verfahren zur Herstellung von dreidimensionalen Gegenständen. |
DE85109899T Expired - Fee Related DE3587656T2 (de) | 1984-08-08 | 1985-08-06 | Stereolithographische Vorrichtung und Verfahren zur Herstellung von dreidimensionalen Gegenständen. |
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DE198585109899T Pending DE171069T1 (de) | 1984-08-08 | 1985-08-06 | Stereolithographische vorrichtung und verfahren zur herstellung von dreidimensionalen gegenstaenden. |
DE3588184T Expired - Fee Related DE3588184T2 (de) | 1984-08-08 | 1985-08-06 | Stereolithographische Vorrichtung und Verfahren zur Herstellung von dreidimensionalen Gegenständen |
Family Applications After (1)
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Country Status (7)
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US (1) | US4575330A (de) |
EP (3) | EP0535720B1 (de) |
JP (1) | JPS6235966A (de) |
AT (2) | ATE165270T1 (de) |
DE (4) | DE171069T1 (de) |
HK (2) | HK1001701A1 (de) |
SG (1) | SG48918A1 (de) |
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- 1998-01-23 HK HK98100633A patent/HK1001701A1/xx not_active IP Right Cessation
- 1998-06-16 HK HK98105428A patent/HK1006347A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SG48918A1 (en) | 1998-05-18 |
US4575330A (en) | 1986-03-11 |
US4575330B1 (de) | 1989-12-19 |
HK1001701A1 (en) | 1998-07-03 |
EP0535720A3 (en) | 1993-05-05 |
HK1006347A1 (en) | 1999-02-19 |
DE3587656D1 (de) | 1993-12-23 |
EP0171069A3 (en) | 1989-02-08 |
EP0820855A3 (de) | 1999-11-24 |
DE171069T1 (de) | 1991-11-07 |
EP0535720A2 (de) | 1993-04-07 |
EP0171069A2 (de) | 1986-02-12 |
ATE97506T1 (de) | 1993-12-15 |
DE3588184T2 (de) | 1998-09-17 |
JPS6235966A (ja) | 1987-02-16 |
EP0171069B1 (de) | 1993-11-18 |
JPH0248422B2 (de) | 1990-10-25 |
EP0535720B1 (de) | 1998-04-22 |
DE3587656T2 (de) | 1994-04-28 |
ATE165270T1 (de) | 1998-05-15 |
EP0820855A2 (de) | 1998-01-28 |
DE3588184D1 (de) | 1998-05-28 |
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