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公开(公告)号：US20240239046A1
公开(公告)日：2024-07-18
申请号：US18620164
申请日：2024-03-28
发明人： James A. DeMuth , Erik Toomre , Francis L. Leard , Kourosh Kamshad , Heiner Fees , Eugene Berdichevsky
IPC分类号： B29C64/264 , B22F3/24 , B22F10/00 , B22F10/28 , B22F10/34 , B22F10/36 , B22F10/70 , B22F12/00 , B22F12/30 , B22F12/33 , B22F12/44 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/00 , B23K15/06 , B23K26/03 , B23K26/08 , B23K26/12 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/36 , B23K26/70 , B23K37/04 , B25J11/00 , B29C64/153 , B29C64/268 , B29C64/386 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/182 , G02B15/04 , G02B15/10 , G02B19/00 , G02B26/08 , G02B27/10 , G02F1/01 , G02F1/1333 , G02F1/135 , G05B17/02 , H01S5/00 , H01S5/40 , B22F10/10 , B22F10/32 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/41 , B22F12/45 , B22F12/53 , B23K26/00 , B23K26/082 , B23K26/342 , B23K101/00 , B23K101/02 , B23K101/24 , B23K103/00 , B28B1/00 , B29K105/00 , B33Y30/00 , G02B27/00 , G02B27/09 , G02B27/14 , G02B27/28 , G07C3/14
CPC分类号： B29C64/264 , B22F3/24 , B22F10/00 , B22F10/28 , B22F10/34 , B22F10/36 , B22F10/70 , B22F12/00 , B22F12/226 , B22F12/30 , B22F12/33 , B22F12/38 , B22F12/44 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/0006 , B23K15/0013 , B23K15/002 , B23K15/0026 , B23K15/0093 , B23K15/06 , B23K26/03 , B23K26/032 , B23K26/083 , B23K26/0846 , B23K26/1224 , B23K26/123 , B23K26/127 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/36 , B23K26/702 , B23K26/703 , B23K26/704 , B23K37/0426 , B25J11/00 , B29C64/153 , B29C64/268 , B29C64/386 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/1827 , G02B15/04 , G02B15/10 , G02B19/0028 , G02B19/0047 , G02B26/0816 , G02B27/108 , G02F1/0136 , G02F1/133362 , G02F1/135 , G05B17/02 , H01S5/005 , H01S5/4012 , B22F2003/247 , B22F2003/248 , B22F10/10 , B22F10/32 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/222 , B22F12/41 , B22F12/45 , B22F12/53 , B22F2998/10 , B22F2999/00 , B23K15/0086 , B23K26/0006 , B23K26/082 , B23K26/342 , B23K37/0408 , B23K2101/001 , B23K2101/008 , B23K2101/02 , B23K2101/24 , B23K2103/00 , B23K2103/42 , B23K2103/50 , B28B1/001 , B29K2105/251 , B33Y30/00 , G02B27/0068 , G02B27/0905 , G02B27/141 , G02B27/283 , G02B27/286 , G05B2219/49023 , G07C3/146 , Y02P10/25 , Y02P80/40
摘要： A method and an apparatus pertaining to recycling and reuse of unwanted light in additive manufacturing can multiplex multiple beams of light including at least one or more beams of light from one or more light sources. The multiple beams of light may be reshaped and blended to provide a first beam of light. A spatial polarization pattern may be applied on the first beam of light to provide a second beam of light. Polarization states of the second beam of light may be split to reflect a third beam of light, which may be reshaped into a fourth beam of light. The fourth beam of light may be introduced as one of the multiple beams of light to result in a fifth beam of light.
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公开(公告)号：US12030253B2
公开(公告)日：2024-07-09
申请号：US15038036
申请日：2014-11-17
IPC分类号： B29C64/35 , B23K15/00 , B23K26/064 , B23K26/08 , B23K26/082 , B23K26/142 , B23K26/144 , B23K26/342 , B29C64/153 , B29C64/245 , B29C64/314 , B29C64/357 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B22F10/28 , B22F10/73
CPC分类号： B29C64/35 , B23K15/002 , B23K15/0026 , B23K15/0086 , B23K26/064 , B23K26/082 , B23K26/083 , B23K26/0869 , B23K26/142 , B23K26/144 , B23K26/342 , B29C64/153 , B29C64/245 , B29C64/314 , B29C64/357 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B22F10/28 , B22F10/73 , Y02P10/20 , Y02P10/25
摘要： The invention is a method and device for producing three-dimensional objects, having a gradient of properties and multi-material objects, from powders. A method involves the selection of powders of various materials according to diameter, the successive application of layers of powder of a given thickness during the vertical displacement of a piston of a device build chamber with an object to be sintered, and the programmed selective sintering/melting of a given area in the plane of each layer. After sintering, piston is raised, unsintered powder is removed from a layer. The piston is then returned, and a layer of powder having a different diameter and being of a dissimilar material is applied and selectively sintered. When the object-sintering process is finished, the unsintered powder is removed from the build chamber, and the powders are separated according to diameter. The separated powders are returned to feed containers of device for re-use.
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公开(公告)号：US20240208143A1
公开(公告)日：2024-06-27
申请号：US18419847
申请日：2024-01-23
发明人： James A. DeMuth , Erik Toomre , Francis L. Leard , Kourosh Kamshad , Heiner Fees , Eugene Berdichevsky
IPC分类号： B29C64/264 , B22F3/24 , B22F10/00 , B22F10/10 , B22F10/28 , B22F10/32 , B22F10/34 , B22F10/36 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/70 , B22F10/73 , B22F12/00 , B22F12/17 , B22F12/20 , B22F12/30 , B22F12/33 , B22F12/41 , B22F12/44 , B22F12/45 , B22F12/53 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/00 , B23K15/06 , B23K26/00 , B23K26/03 , B23K26/08 , B23K26/082 , B23K26/12 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/342 , B23K26/36 , B23K26/70 , B23K37/04 , B23K101/00 , B23K101/02 , B23K101/24 , B23K103/00 , B25J11/00 , B28B1/00 , B29C64/153 , B29C64/268 , B29C64/386 , B29K105/00 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/182 , G02B15/04 , G02B15/10 , G02B19/00 , G02B26/08 , G02B27/00 , G02B27/09 , G02B27/10 , G02B27/14 , G02B27/28 , G02F1/01 , G02F1/1333 , G02F1/135 , G05B17/02 , G07C3/14 , H01S5/00 , H01S5/40
CPC分类号： B29C64/264 , B22F3/24 , B22F10/00 , B22F10/28 , B22F10/34 , B22F10/36 , B22F10/70 , B22F12/00 , B22F12/226 , B22F12/30 , B22F12/33 , B22F12/38 , B22F12/44 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/0006 , B23K15/0013 , B23K15/002 , B23K15/0026 , B23K15/0093 , B23K15/06 , B23K26/03 , B23K26/032 , B23K26/083 , B23K26/0846 , B23K26/1224 , B23K26/123 , B23K26/127 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/36 , B23K26/702 , B23K26/703 , B23K26/704 , B23K37/0426 , B25J11/00 , B29C64/153 , B29C64/268 , B29C64/386 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/1827 , G02B15/04 , G02B15/10 , G02B19/0028 , G02B19/0047 , G02B26/0816 , G02B27/108 , G02F1/0136 , G02F1/133362 , G02F1/135 , G05B17/02 , H01S5/005 , H01S5/4012 , B22F2003/247 , B22F2003/248 , B22F10/10 , B22F10/32 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/222 , B22F12/41 , B22F12/45 , B22F12/53 , B22F2998/10 , B22F2999/00 , B23K15/0086 , B23K26/0006 , B23K26/082 , B23K26/342 , B23K37/0408 , B23K2101/001 , B23K2101/008 , B23K2101/02 , B23K2101/24 , B23K2103/00 , B23K2103/42 , B23K2103/50 , B28B1/001 , B29K2105/251 , B33Y30/00 , G02B27/0068 , G02B27/0905 , G02B27/141 , G02B27/283 , G02B27/286 , G05B2219/49023 , G07C3/146 , Y02P10/25 , Y02P80/40
摘要： A method and an apparatus for collecting a powdered material after a print job in powder bed fusion additive manufacturing may involve a build platform supporting a powder bed capable of tilting, inverting, and shaking to separate the powder bed substantially from the build platform in a hopper. The powdered material may be collected in a hopper for reuse in later print jobs. The powder collecting process may be automated to increase efficiency of powder bed fusion additive manufacturing.
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公开(公告)号：US12005529B2
公开(公告)日：2024-06-11
申请号：US17287771
申请日：2019-10-21
申请人： KOBE STEEL, LTD.
发明人： Shinji Sato , Takeshi Yamada , Tatsuya Fujii , Masatoshi Hida , Shuo Huang , Eisuke Kurosawa
CPC分类号： B23K9/04 , B23K15/0086 , B33Y10/00 , B33Y40/00 , B33Y80/00
摘要： A method for manufacturing an additively-manufactured object, includes: an additively-manufacturing step of building a layered body by depositing a weld bead obtained by melting and solidifying a filler metal, the layered body having an opening along a forming direction of the weld bead and an internal space surrounded by the weld bead; and a closing step of forming a closing wall portion connecting an edge portion of the opening with the weld bead for closing. In the additively-manufacturing step, the opening is formed with a width dimension larger than a bead width of the weld bead, and in the closing step, the closing wall portion having a width dimension larger than the bead width is formed by the weld bead to close the opening.
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公开(公告)号：US11964429B2
公开(公告)日：2024-04-23
申请号：US17030206
申请日：2020-09-23
发明人： James A. DeMuth , Erik Toomre , Francis L. Leard , Kourosh Kamshad , Heiner Fees , Eugene Berdichevsky
IPC分类号： G02F1/01 , B22F3/24 , B22F10/00 , B22F10/28 , B22F10/34 , B22F10/36 , B22F10/70 , B22F12/00 , B22F12/30 , B22F12/33 , B22F12/44 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/00 , B23K15/06 , B23K26/03 , B23K26/08 , B23K26/12 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/36 , B23K26/70 , B23K37/04 , B25J11/00 , B29C64/153 , B29C64/264 , B29C64/268 , B29C64/386 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/182 , G02B15/04 , G02B15/10 , G02B19/00 , G02B26/08 , G02B27/10 , G02F1/1333 , G02F1/135 , G05B17/02 , H01S5/00 , H01S5/40 , B22F10/10 , B22F10/32 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/41 , B22F12/45 , B22F12/53 , B23K26/00 , B23K26/082 , B23K26/342 , B23K101/00 , B23K101/02 , B23K101/24 , B23K103/00 , B28B1/00 , B29K105/00 , B33Y30/00 , G02B27/00 , G02B27/09 , G02B27/14 , G02B27/28 , G07C3/14
CPC分类号： B29C64/264 , B22F3/24 , B22F10/00 , B22F10/28 , B22F10/34 , B22F10/36 , B22F10/70 , B22F12/00 , B22F12/226 , B22F12/30 , B22F12/33 , B22F12/38 , B22F12/44 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/0006 , B23K15/0013 , B23K15/002 , B23K15/0026 , B23K15/0093 , B23K15/06 , B23K26/03 , B23K26/032 , B23K26/083 , B23K26/0846 , B23K26/1224 , B23K26/123 , B23K26/127 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/36 , B23K26/702 , B23K26/703 , B23K26/704 , B23K37/0426 , B25J11/00 , B29C64/153 , B29C64/268 , B29C64/386 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/1827 , G02B15/04 , G02B15/10 , G02B19/0028 , G02B19/0047 , G02B26/0816 , G02B27/108 , G02F1/0136 , G02F1/133362 , G02F1/135 , G05B17/02 , H01S5/005 , H01S5/4012 , B22F2003/247 , B22F2003/248 , B22F10/10 , B22F10/32 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/222 , B22F12/41 , B22F12/45 , B22F12/53 , B22F2998/10 , B22F2999/00 , B23K15/0086 , B23K26/0006 , B23K26/082 , B23K26/342 , B23K37/0408 , B23K2101/001 , B23K2101/008 , B23K2101/02 , B23K2101/24 , B23K2103/00 , B23K2103/42 , B23K2103/50 , B28B1/001 , B29K2105/251 , B33Y30/00 , G02B27/0068 , G02B27/0905 , G02B27/141 , G02B27/283 , G02B27/286 , G05B2219/49023 , G07C3/146 , Y02P10/25 , Y02P80/40 , B22F2999/00 , B22F10/00 , B22F2203/03 , B22F2999/00 , B22F12/41 , B22F2203/03 , B22F2999/00 , B22F10/20 , B22F2203/03
摘要： A method and an apparatus pertaining to recycling and reuse of unwanted light in additive manufacturing can multiplex multiple beams of light including at least one or more beams of light from one or more light sources. The multiple beams of light may be reshaped and blended to provide a first beam of light. A spatial polarization pattern may be applied on the first beam of light to provide a second beam of light. Polarization states of the second beam of light may be split to reflect a third beam of light, which may be reshaped into a fourth beam of light. The fourth beam of light may be introduced as one of the multiple beams of light to result in a fifth beam of light.
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公开(公告)号：US20240017355A1
公开(公告)日：2024-01-18
申请号：US18207206
申请日：2023-06-08
申请人： Velo3D, Inc.
IPC分类号： B23K26/342 , C22C1/04 , C22C33/02 , B29C64/153 , B29C64/393 , G06F30/00 , B29C64/268 , B22F10/28 , B22F10/36 , B22F10/38 , B22F10/80 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B23K26/70 , B23K15/00 , B23K15/02 , B23K26/08 , B28B1/00 , B28B17/00 , G05B19/4099
CPC分类号： B23K26/342 , C22C1/04 , C22C33/02 , B29C64/153 , B29C64/393 , G06F30/00 , B29C64/268 , B22F10/28 , B22F10/36 , B22F10/38 , B22F10/80 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B23K26/702 , B23K15/0086 , B23K15/02 , B23K26/0884 , B28B1/001 , B28B17/0081 , G05B19/4099 , Y02P10/25 , B22F12/20
摘要： The present disclosure provides three-dimensional (3D) printing methods, apparatuses, systems, and non-transitory computer-readable medium. The disclosure delineates real time manipulation of three-dimensional printing to reduce deformation. The present disclosure further provides 3D object formed using the methods, apparatuses, and systems.
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公开(公告)号：US11872758B2
公开(公告)日：2024-01-16
申请号：US18155595
申请日：2023-01-17
发明人： James A. DeMuth , Erik Toomre , Francis L. Leard , Kourosh Kamshad , Heiner Fees , Eugene Berdichevsky
IPC分类号： B29C64/264 , B29C64/153 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , B23K26/12 , B23K26/142 , B23K26/144 , B23K26/70 , B29C64/386 , B29C64/268 , B22F3/24 , B23K15/00 , B23K15/06 , B23K26/03 , B23K26/08 , B23K26/16 , B23K26/36 , B23K37/04 , B25J11/00 , G02B7/14 , G02B7/16 , G02B7/182 , G02B15/04 , G02B15/10 , G02B19/00 , G02F1/01 , G02F1/1333 , G02F1/135 , G05B17/02 , H01S5/40 , B22F10/00 , H01S5/00 , B22F12/33 , B22F12/44 , B22F12/70 , B22F12/00 , G02B27/10 , B22F10/28 , B22F10/70 , B22F12/30 , B22F12/88 , B22F12/90 , B22F10/34 , B22F10/36 , G02B26/08 , B23K26/00 , B23K26/082 , B23K101/00 , B23K101/24 , B23K103/00 , B23K101/02 , B29K105/00 , G02B27/28 , G07C3/14 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/41 , B22F12/53 , B22F10/47 , B22F10/32 , B22F10/50 , B22F10/64 , B22F10/10 , B33Y30/00 , B23K26/342 , B28B1/00 , G02B27/09 , G02B27/14 , G02B27/00
CPC分类号： B29C64/264 , B22F3/24 , B22F10/00 , B22F10/28 , B22F10/34 , B22F10/36 , B22F10/70 , B22F12/00 , B22F12/226 , B22F12/30 , B22F12/33 , B22F12/38 , B22F12/44 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/002 , B23K15/0006 , B23K15/0013 , B23K15/0026 , B23K15/0093 , B23K15/06 , B23K26/03 , B23K26/032 , B23K26/083 , B23K26/0846 , B23K26/123 , B23K26/127 , B23K26/1224 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/36 , B23K26/702 , B23K26/703 , B23K26/704 , B23K37/0426 , B25J11/00 , B29C64/153 , B29C64/268 , B29C64/386 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/1827 , G02B15/04 , G02B15/10 , G02B19/0028 , G02B19/0047 , G02B26/0816 , G02B27/108 , G02F1/0136 , G02F1/135 , G02F1/133362 , G05B17/02 , H01S5/005 , H01S5/4012 , B22F10/10 , B22F10/32 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/222 , B22F12/41 , B22F12/53 , B22F2003/247 , B22F2003/248 , B22F2998/10 , B22F2999/00 , B23K15/0086 , B23K26/0006 , B23K26/082 , B23K26/342 , B23K37/0408 , B23K2101/001 , B23K2101/008 , B23K2101/02 , B23K2101/24 , B23K2103/00 , B23K2103/42 , B23K2103/50 , B28B1/001 , B29K2105/251 , B33Y30/00 , G02B27/0068 , G02B27/0905 , G02B27/141 , G02B27/283 , G02B27/286 , G05B2219/49023 , G07C3/146 , Y02P10/25 , Y02P80/40 , B22F2999/00 , B22F10/00 , B22F2203/03 , B22F2999/00 , B22F12/41 , B22F2203/03 , B22F2999/00 , B22F10/20 , B22F2203/03
摘要： A method and an apparatus for collecting powder samples in real-time in powder bed fusion additive manufacturing may involves an ingester system for in-process collection and characterizations of powder samples. The collection may be performed periodically and uses the results of characterizations for adjustments in the powder bed fusion process. The ingester system of the present disclosure is capable of packaging powder samples collected in real-time into storage containers serving a multitude purposes of audit, process adjustments or actions.
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公开(公告)号：US20230390997A1
公开(公告)日：2023-12-07
申请号：US18454857
申请日：2023-08-24
申请人： Concept Laser GmbH
发明人： Frank Herzog
IPC分类号： B29C64/153 , B29C64/393 , B29C64/268 , B29C64/386 , B22F10/28 , B22F12/49 , B22F12/90 , B22F10/366 , B22F10/368 , B23K26/082 , B23K26/144 , B23K26/342 , B23K15/00 , B23K15/02 , B23K26/03
CPC分类号： B29C64/153 , B29C64/393 , B29C64/268 , B29C64/386 , B22F10/28 , B22F12/49 , B22F12/90 , B22F10/366 , B22F10/368 , B23K26/082 , B23K26/144 , B23K26/342 , B23K15/002 , B23K15/0086 , B23K15/02 , B23K26/034 , B22F2203/11 , Y02P10/25 , B22F12/43
摘要： The invention relates to a method for producing a three-dimensional component by an electron-beam, laser-sintering or laser-melting process, in which the component is created by successively solidifying predetermined portions of individual layers of building material that can be solidified by being exposed to the effect of an electron-beam or laser-beam source (2) by melting on the building material, wherein thermographic data records are recorded during the production of the layers, respectively characterizing a temperature profile of at least certain portions of the respective layer, and the irradiation of the layers takes place by means of an electron beam or laser beam (3), which is controlled on the basis of the recorded thermographic data records in such a way that a largely homogeneous temperature profile is produced, wherein, to irradiate an upper layer, a focal point (4) of the electron beam or laser beam (3) is guided along a scanning path (17), which is chosen on the basis of the data record characterizing the temperature profile of at least certain portions of the layer lying directly thereunder or on the basis of the data records characterizing the temperature profiles of at least certain portions of the layers lying thereunder.
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公开(公告)号：US20230390854A1
公开(公告)日：2023-12-07
申请号：US18329637
申请日：2023-06-06
发明人： Matthieu SICRE
IPC分类号： B23K9/133 , B65H63/08 , B33Y30/00 , B23K26/342 , B23K15/00
CPC分类号： B23K9/133 , B65H63/08 , B33Y30/00 , B23K26/342 , B23K15/0086 , B65H2701/36
摘要： A device for depositing material in the form of wire including a coil of wire configured to pivot around an axis of rotation as well as at least one indication system including a support, at least one rod oriented in a direction secant to the axis of rotation, a pad connected to the first end of the rod and configured to bear against a wire wound on the coil of wire, a sliding link configured to allow the rod to translate in the secant direction, as well as a return element configured to translate the rod in the direction of the axis of rotation, the rod occupying a position according to a level of filling the coil. This solution makes it possible to obtain a passive type indication system.
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公开(公告)号：US11826822B2
公开(公告)日：2023-11-28
申请号：US17895290
申请日：2022-08-25
IPC分类号： B33Y80/00 , B32B15/01 , C22C27/04 , B22D7/00 , B22F10/25 , B22F10/38 , B33Y10/00 , B33Y70/00 , B21C1/02 , B22F3/02 , B22F3/24 , B23K15/00 , F27D11/08 , B22F5/12 , B23K9/04 , B23K9/24 , B23K9/29 , B23K103/08 , B22F10/00 , B22F10/20
CPC分类号： B22D7/005 , B21C1/02 , B22F3/02 , B22F3/24 , B22F5/12 , B22F10/25 , B22F10/38 , B23K9/044 , B23K9/24 , B23K9/295 , B23K15/0086 , B23K15/0093 , B32B15/01 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C22C27/04 , F27D11/08 , B22F10/00 , B22F10/20 , B22F2301/20 , B23K2103/08 , Y02P10/25
摘要： In various embodiments, three-dimensional layered metallic parts are substantially free of gaps between successive layers, are substantially free of cracks, and have densities no less than 97% of the theoretical density of the metallic material.
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