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Exposure method for reducing distortion in models produced through solid imaging by forming a non-continuous image of a 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G03C-009/08
출원번호 US-0046070 (1993-04-12)
발명자 / 주소
  • Hokuf Bronson R. (Rising Sun MD) Lawton John A. (Landenberg PA)
출원인 / 주소
  • E. I. Du Pont de Nemours and Company (Wilmington DE 02)
인용정보 피인용 횟수 : 36  인용 특허 : 0

초록

A method for reducing curl in three dimensional computer generated models, created by the sequential exposure of adjacent layers of a photoformable composition, comprising exposing each layer twice, the first exposure being with an image modulated exposure further modulated to produce a series of is

대표청구항

A method for fabricating a three dimensional object from a multiplicity of cross-sectional portions of the object, the cross-sectional portions corresponding to hardened portions of contiguous layers of a photoformable composition created by the sequential imagewise exposure of the layers, each laye

이 특허를 인용한 특허 (36)

  1. Partanen Jouni P. ; Smalley Dennis R., Apparatus and method for controlling exposure of a solidifiable medium using a pulsed radiation source in building a three-dimensional object using stereolithography.
  2. Partanen Jouni P. ; Hug William F., Apparatus and method for forming three-dimensional objects in stereolithography utilizing a laser exposure system with a diode pumped frequency-multiplied solid state laser.
  3. Hagenau William R., Apparatus and method for production of three-dimensional models by spatial light modulator.
  4. Hickerson,Kevin P.; Bedal,Bryan; Diephuis,Richard J., Apparatus for three dimensional printing using image layers.
  5. Sperry, Charles R.; McNamara, Jr., Dennis F.; Scott, Suzanne M.; Rittenhour, Jason A.; Hull, Charles W; Mojdeh, Mehdi, Cartridge for solid imaging apparatus and method.
  6. Carver, Andrew; Maple, Peter, Dolly.
  7. Sperry, Charles R.; McNamara, Jr., Dennis F.; Scott, Suzanne M.; Hull, Charles W.; Mojdeh, Mehdi, Elevator and method for tilting solid image build platform for reducing air entrainment and for build release.
  8. Hull, Charles W.; Partanen, Jouni; Sperry, Charles R.; Scott, Suzanne M.; McNamara, Jr., Dennis F., Imager and method for consistent repeatable alignment in a solid imaging apparatus.
  9. Hull, Charles W.; Partanen, Jouni, Imager assembly and method for solid imaging.
  10. Sperry,Charles R.; McNamara,Dennis F.; Scott,Suzanne M., Material delivery tension and tracking system for use in solid imaging.
  11. Bredt, James F.; Anderson, Timothy; Russell, David B.; Clark, Sarah L.; DiCologero, Matthew J., Material systems and methods of three-dimensional printing.
  12. Michelle D. Guertin ; Charles W. Hull ; Hop D. Nguyen, Method and apparatus for stereolithographically forming three dimensional objects with reduced distortion.
  13. Muller, Frank; Pfister, Andreas; Leuterer, Martin; Keller, Peter, Method for a layer-wise manufacturing of a three-dimensional object.
  14. Partanen Jouni P. ; Smalley Dennis R., Method for controlling exposure of a solidfiable medium using a pulsed radiation source in building a three-dimensional object using stereolithography.
  15. Nguyen, Hop D.; Moussa, Khalil M.; Manners, Chris R., Method for forming three-dimensional objects.
  16. Lamberts Robert L., Method for making a sinusoidal test object.
  17. Abe, Satoshi; Yoshida, Norio; Higashi, Yoshikazu, Method for manufacturing three-dimensional shaped object.
  18. Coeck, Sam, Method for reducing differential shrinkage in stereolithography.
  19. Hull, Charles W.; Partanen, Jouni; Soliz, Ray; Pappas, William J.; Mojdeh, Mehdi, Method for removing excess uncured build material in solid imaging.
  20. Sperry, Charles R.; McNamara, Jr., Dennis F.; Scott, Suzanne M.; Hull, Charles W.; Mojdeh, Mehdi, Method for tilting solid image build platform for reducing air entrainment and for build release.
  21. Bredt, James F.; Clark, Sarah L.; Uy, Evert F.; DiCologero, Matthew J.; Anderson, Timothy; Tarkanian, Michael; Williams, Derek X., Methods and compositions for three-dimensional printing of solid objects.
  22. Kuzusako, Junichi; Kihara, Nobuhiro; Honda, Katsuhisa, Optical molding apparatus, optical molding method, and optically molded product.
  23. Bosschaerts Jacobus Herman,BEX ; Overmeer Robert Theodoor,BEX ; Oelbrandt Leo,BEX ; Strijckers Hans Louis,BEX ; Daems Eddie Roza,BEX, Producing a contone image by sequentially exposing a thermo-sensitive imaging material by means of a set of radiation b.
  24. Yoneshima, Sadayuki; Sogabe, Mitsushi; Tamaki, Tsuyoshi, Product with concave-convex pattern on its surface and method of forming the concave-convex pattern.
  25. Pfister, Andreas; Mueller, Frank; Leuterer, Martin, Selective sintering of structurally modified polymers.
  26. Leenders Luc,BEX ; Bosschaerts Jacobus,BEX ; Overmeer Robert,BEX ; Daems Eddie,BEX ; Oelbrandt Leo,BEX ; Strijckers Hans,BEX ; Zehetmaier Thomas,DEX ; Muller Jurgen,DEX ; Stumpf Friedrich,DEX ; Halbe, Sensitivity-increasing recording process for a photosensitive thermally developable photographic material.
  27. Sperry, Charles R.; McNamara, Jr., Dennis F.; Scott, Suzanne M.; Hull, Charles W.; Partanen, Jouni; Mojdeh, Mehdi; Pappas, William J.; Gregory, II, Richard O., Solid imaging apparatus and method.
  28. Hull, Charles W.; Partanen, Jouni; Soliz, Ray; Pappas, William J., Solid imaging system with removal of excess uncured build material.
  29. Sperry, Charles R.; McNamara, Dennis F.; Johnson, Martin Alan; Gregory, II, Richard Ora, Solid imaging systems, components thereof, and methods of solid imaging.
  30. Beers Ross D. ; Chari Arvind ; Partanen Jouni P. ; Tang Nansheng, Stereolithographic method and apparatus with enhanced control of prescribed stimulation production and application.
  31. Bredt, James F.; Clark, Sarah L.; Williams, Derek X.; DiCologero, Matthew J., Thermoplastic powder material system for appearance models from 3D printing systems.
  32. Bredt,James F.; Anderson,Timothy C.; Russell,David B., Three dimensional printing material system and method.
  33. Williams, Derek X., Three dimensional printing material system and method using peroxide cure.
  34. Giller, Eugene; Williams, Derek X., Three dimensional printing material system and method using plasticizer-assisted sintering.
  35. Giller, Eugene; Williams, Derek X., Three dimensional printing material system and method using plasticizer-assisted sintering.
  36. Alam, Amir; Bredt, James F.; Clark, Nanette; Flynn, Mary; Sprauer, Jean; Williams, Derek X., Three-dimensional printing material system with improved color, article performance, and ease of use.
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