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특허 상세정보

Apparatus for producing parts by selective sintering

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-035/08   
미국특허분류(USC) 425/1744 ; 264/401
출원번호 US-0251609 (1994-05-31)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 117  인용 특허 : 29
초록

An apparatus for selectively sintering a layer of powder to produce a part made from a plurality of sintered layers. The apparatus includes a computer controlling a laser to direct the laser energy onto the powder to produce a sintered mass. The computer either determines or is programmed with the boundaries of the desired cross-sectional regions of the part. For each cross-section, the aim of the laser beam is scanned over a layer of powder and the beam is switched on to sinter only the powder within the boundaries of the cross-section. Powder is applie...

대표
청구항

An apparatus for producing a part from a powder, comprising: means for successively dispensing a plurality of layers of powder at a target surface; an energy source; a controller for directing the energy source at locations of each dispensed layer of powder at the target surface corresponding to cross-sections of the part to be produced therein and fusing the powder thereat; and temperature control means for moderating the temperature difference between unfused powder in a topmost layer of powder at the target surface and fused powder in the one of the p...

이 특허에 인용된 특허 (29)

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