[특허]Stereolithographic apparatus and method

Stereolithographic apparatus and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05D-003/06 B05C-005/00 B29C-035/08
출원번호	US-0427885 (1989-10-27)
발명자 / 주소	Spence Stuart T. (S. Pasadena CA) Lewis Charles W. (Van Nuys CA) Lewis Mark A. (Valencia CA)
출원인 / 주소	3D Systems, Inc. (Valencia CA 02)
인용정보	피인용 횟수 : 65 인용 특허 : 0

초록 ▼

A stereolithographic device and method including a process module, a control module and a service module. A laser is employed through a dynamic mirror system controlled by the control module to generate solidified cross sections of a selected part design on the surface of a photocurable polymer liquid. By lowering cured cross sections into the vat, additional cross sections can be perpared and joined therewith to define a prototype product. A stationary mirror in the beam path between the dynamic mirror system and the photocurable polymer is employed to make the system more compact and practical. A calibration and normalization process provides correction to distortions and misalignment of the stationary mirror.

대표청구항 ▼

A system for stereolithographically producing a three-dimensional object from a medium capable of selective physical transformation upon exposure to synergistic stimulation, comprising: a means for generating a beam of synergistic stimulation along an actual beam path; a container for holding the medium and defining a target surface; a dynamic mirror system arranged along a primary beam path, said dynamic mirror system being movable for generating a selected tracing of the beam onto said target surface; means disposed along said actual beam path before said dynamic mirror system for splitting the beam into a large primary portion and at least one significantly smaller secondary portion; and means for sensing the at least one secondary portion to determine if the actual beam path is precisely the same as a desired beam path and for providing an output signal indicative of the deviation between the actual and desired beam paths which allows the actual beam path to be adjusted such that the beam travels along said desired beam path. A method for stereolithographically producing a three-dimensional object from a medium capable of selective physical transformation upon exposure to synergistic stimulation, comprising the steps of: generating a beam of synergistic stimulation along an actual beam path to effect said physical transformation; providing a target surface where the physical transformation of the medium occurs, said target surface comprising a surface of a quantity of said medium; selectively splitting the beam into at least one smaller secondary beam and a substantially larger primary beam; controllably scanning said primary beam to expose a predetermined locus of points on said target surface to effect said physical transformation; successively renewing said target surface with untransformed medium and successively selectively physically transforming said renewed target surface to thereby form successive cross-sectional portions of the object at said target surface; and sensing the at least one secondary beam to determine if the actual beam path is the same as a desired beam path and providing an output signal indicative of the deviation between the actual and desired beam paths which allows the actual beam path to be adjusted such that the beam travels precisely along said desired beam path.

이 특허를 인용한 특허 (65)

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Farnworth, Warren M., Layer thickness control for stereolithography utilizing variable liquid elevation and laser focal length.
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Farnworth, Warren M., Layer thickness control for stereolithography utilizing variable liquid elevation and laser focal length.
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Farnworth, Warren M., Layer thickness control for stereolithography utilizing variable liquid elevation and laser focal length.
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Farnworth,Warren M., Layer thickness control for stereolithography utilizing variable liquid elevation and laser focal length.
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Frasier, Donald J.; Schlienger, M. Eric; Brady, Guy Allen; Kush, Matthew T.; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Kush, Matthew T., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Michelle D. Guertin ; Charles W. Hull ; Hop D. Nguyen, Method and apparatus for stereolithographically forming three dimensional objects with reduced distortion.
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Philippi, Jochen, Method and device for calibrating an irradiation device.
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Iverson Norma Jean, Method for manufacturing physical objects using precision stereolithography.
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Nguyen Hop D. ; Smalley Dennis R., Method of and apparatus for deriving data intermediate to cross-sectional data descriptive of a three-dimensional object.
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Abe, Satoshi; Fuwa, Isao; Yoshida, Norio; Higashi, Yoshikazu; Togeyama, Hirohiko; Takenami, Masataka; Shimizu, Takashi; Uenaga, Shushi, Method of and apparatus for making a three-dimensional object.
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Jochen Philippi DE; Andreas Lohner DE, Method of calibrating an apparatus for producing a three-dimensional object, calibration apparatus and method and apparatus for producing a three-dimensional object.
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Wood,Alan G.; Farnworth,Warren M.; Watkins,Charles M.; Benson,Peter A., Methods for packaging a plurality of semiconductor dice using a flowable dielectric material.
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Cooper, Guthrie; Knaack, Christopher, Methods of automatic geometric calibration using laser scanning reflectometry.
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Wood,Alan G.; Farnworth,Warren M.; Watkins,Charles M.; Benson,Peter A., Microlenses including a plurality of mutually adhered layers of optically transmissive material and systems including the same.
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Parsons,Natan E.; Guler,Fatih; Herbert,Kay; Mo,Xiaoxiong; Wu,Haiou; Zhang,Yue, Passive sensors for automatic faucets and bathroom flushers.
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Kulkarni Rajeev B. ; Manners Chris R., Rapid prototyping method and apparatus with simplified build preparation for production of three dimensional objects.
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Chris R. Manners ; Michelle D. Guertin ; Hop D. Nguyen ; Jouni P. Partanen ; Nansheng Tang ; Michael A. Everett, Stereolithographic method and apparatus for production of three dimensional objects using multiple beams of different diameters.
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Nguyen Hop D. ; Manners Chris R., Stereolithographic method and apparatus for production of three dimensional objects using recoating parameters for groups of layers.
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Beers Ross D. ; Partanen Jouni P. ; Tang Nansheng, Stereolithographic method and apparatus with enhanced control of prescribed stimulation and application.
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Beers Ross D. ; Chari Arvind ; Partanen Jouni P. ; Tang Nansheng, Stereolithographic method and apparatus with enhanced control of prescribed stimulation production and application.
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Beers Ross D. ; Guertin Michelle D., Stereolithographic method and apparatus with enhanced control of prescribed stimulation production and application.
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Everett Michael A. ; Beers Ross D., Stereolithographic method and apparatus with enhanced control of prescribed stimulation production and application.
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Kerekes Thomas A. ; Beers Ross D., Stereolithographic method and apparatus with enhanced control of prescribed stimulation production and application.
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Farnworth, Warren M., Stereolithographic method for applying materials to electronic component substrates and resulting structures.
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Bredt,James F.; Anderson,Timothy C.; Russell,David B., Three dimensional printing material system and method.
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Williams, Derek X., Three dimensional printing material system and method using peroxide cure.
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Giller, Eugene; Williams, Derek X., Three dimensional printing material system and method using plasticizer-assisted sintering.
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Giller, Eugene; Williams, Derek X., Three dimensional printing material system and method using plasticizer-assisted sintering.
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Daily Carl S. ; Lees Daniel A. ; McKitterick Dennis Donald, Truss structure design.
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Hembree, David R.; Farnworth, Warren M., Underfill and encapsulation of semiconductor assemblies with materials having differing properties.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Stereolithographic apparatus and method 원문보기

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Stereolithographic apparatus and method 원문보기

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