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1. 发明授权

US08598523B2 Electron beam layer manufacturing using scanning electron monitored closed loop control 有权
标题翻译：使用扫描电子监测闭环控制的电子束层制造
公开(公告)号：US08598523B2
公开(公告)日：2013-12-03
申请号：US12902520
申请日：2010-10-12
申请人： Scott Stecker , Phillip E. Wollenhaupt
发明人： Scott Stecker , Phillip E. Wollenhaupt
IPC分类号： B23K15/00 , H01J37/305 , H01J37/30
CPC分类号： H01J37/304 , B22F3/1055 , B22F2003/1056 , B22F2998/00 , B23K9/042 , B23K15/0013 , B23K15/0086 , B33Y10/00 , B33Y50/02 , C22C14/00 , H01J37/3005 , H01J37/305 , Y02P10/295 , B22F3/003
摘要： A process (and apparatus for performing the process) for layer manufacturing a three-dimensional work piece comprising the steps of: feeding raw material in a solid state to a first predetermined location; exposing the raw material to an electron beam to liquefy the raw material; depositing the raw material onto a substrate as a molten pool deposit, the deposit having a forward edge region in an x-y plane with a forward edge region width and a trailing edge region in the x-y plane with a trailing edge region width, under at least one first processing condition; monitoring the molten pool deposit for at least one preselected condition using detecting of scatter from a scanning electron beam contemporaneously with the depositing step; solidifying the molten pool deposit; automatically altering the first processing condition to a different processing condition based upon information obtained from the comparing step; and repeating steps at one or more second locations for building up layer by layer, generally along a z-axis that is orthogonal to the x-y plane, a three-dimensional work piece.
摘要翻译：一种用于层压制造三维工件的方法（以及用于执行该方法的装置），包括以下步骤：将固体状态的原料供给到第一预定位置; 将原料暴露于电子束以使原料液化; 将原料沉积在基底上作为熔池沉积物，沉积物具有在xy平面中的前边缘区域，具有前边缘区域宽度和在xy平面中具有后缘区域宽度的后缘区域，在至少一个第一处理条件; 使用与沉积步骤同时的扫描电子束的散射检测来监测熔池沉积物的至少一个预选条件; 凝固熔池沉积物; 基于从所述比较步骤获得的信息，自动地将所述第一处理条件改变为不同的处理条件; 并且在一个或多个第二位置重复步骤，以逐层建立，一般沿着与x-y平面正交的z轴，三维工件。

2. 发明授权

US08461474B2 Raster methodology, apparatus and system for electron beam layer manufacturing using closed loop control 有权
标题翻译：使用闭环控制的电子束层制造的栅格方法，装置和系统
公开(公告)号：US08461474B2
公开(公告)日：2013-06-11
申请号：US13029306
申请日：2011-02-17
申请人： Phillip E. Wollenhaupt , Scott Stecker
发明人： Phillip E. Wollenhaupt , Scott Stecker
IPC分类号： B23K15/00
CPC分类号： B23K15/0086 , B23K15/00 , B23K15/0093 , B23K15/02 , B23K15/06 , B23K26/34 , B23K26/342 , B23K26/346 , B23K2103/14 , B33Y10/00 , B33Y50/02 , B33Y70/00 , C22C14/00 , H01J37/3007 , H01J37/304 , H01J37/305
摘要： A method for layer-by-layer manufacturing of a three-dimensional work piece including, (a) delivering a metallic feed material into a feed region; (b) emitting an electron beam; (c) translating the electron beam through a first predetermined raster pattern frame that includes: (i) a plurality of points within the feed region; and (ii) a plurality of points in a substrate region that is outside of the feed region; (d) monitoring a condition of the feed region or the substrate region for the occurrence of any deviation from a predetermined condition; (e) upon detecting of any deviation, translating the electron beam through at least one second predetermined raster pattern frame that maintains the melting beam power density level substantially the same, but alters the substrate beam power density level; and (f) repeating steps (a) through (e) at one or more second locations for building up layer-by-layer.
摘要翻译：一种用于逐层制造三维工件的方法，包括：（a）将金属进料输送到进料区; （b）发射电子束; （c）将电子束平移通过第一预定光栅图案框架，该第一预定光栅图案框架包括：（i）供给区域内的多个点; 和（ii）在所述进料区域外的基板区域中的多个点; （d）监测进给区域或基板区域的状况，以发生与预定条件的偏差; （e）在检测到任何偏差之后，将电子束平移通过至少一个第二预定光栅图案框架，其保持熔融光束功率密度水平基本相同，但改变了衬底光束功率密度水平; 和（f）在一个或多个第二位置重复步骤（a）至（e），以逐层建立。

3. 发明申请

US20110240607A1 RASTER METHODOLOGY, APPARATUS AND SYSTEM FOR ELECTRON BEAM LAYER MANUFACTURING USING CLOSED LOOP CONTROL 有权
标题翻译：使用闭环控制的电子束层制造的RASTER方法，装置和系统
公开(公告)号：US20110240607A1
公开(公告)日：2011-10-06
申请号：US13029306
申请日：2011-02-17
申请人： Scott Stecker , Phillip E. Wollenhaupt
发明人： Scott Stecker , Phillip E. Wollenhaupt
IPC分类号： B23K15/00
CPC分类号： B23K15/0086 , B23K15/00 , B23K15/0093 , B23K15/02 , B23K15/06 , B23K26/34 , B23K26/342 , B23K26/346 , B23K2103/14 , B33Y10/00 , B33Y50/02 , B33Y70/00 , C22C14/00 , H01J37/3007 , H01J37/304 , H01J37/305
摘要： A method for layer-by-layer manufacturing of a three-dimensional metallic work piece, comprising the steps of: delivering a metallic feed material in a substantially solid state into a feed region; emitting an electron beam having one or more predetermined electrical currents; translating the electron beam through a first predetermined raster pattern frame in an x-y plane that includes: a plurality of points within the feed region sufficient so that the metallic feed material is subjected to a melting beam power density level sufficient to cause melting of the metallic feed material and formation of a molten pool deposit; and a plurality of points in a substrate region that is outside of the feed region, sufficient so that the plurality of points outside the feed region is subjected to a substrate beam power density level that is different from (e.g., lower than) the melting beam power density level; monitoring a condition of one or both of the feed region or the substrate region substantially in real time for the occurrence of any deviation from a predetermined condition; upon detecting of any deviation, translating the electron beam through at least one second predetermined raster pattern frame in the x-y plane that maintains the melting beam power density level substantially the same as the first predetermined raster pattern frame, but alters the substrate beam power density level in a manner so that the monitored condition returns to the predetermined condition; and repeating the above steps at one or more second locations for building up layer by layer, generally along a z-axis that is orthogonal to the x-y plane, a three-dimensional layered metallic work piece. The teachings herein also contemplate an apparatus that includes an electronic control device that performs any of the methods herein, as well as articles made according to such methods.
摘要翻译：一种用于逐层制造三维金属工件的方法，包括以下步骤：将基本上固态的金属进料输送到进料区; 发射具有一个或多个预定电流的电子束; 将电子束平移在xy平面中的第一预定光栅图案框架，其包括：进给区域内的多个点足够使得金属进料材料经受足以使金属进料熔化的熔融束功率密度水平材料和熔池沉积物的形成; 以及位于进料区域之外的基板区域中的多个点，足以使进料区域外的多个点经受与（例如，低于）熔融束不同的基板束功率密度水平功率密度水平; 基本上实时监视进给区域或基板区域中的一个或两个的状态，以发生与预定条件的任何偏差; 在检测到任何偏差时，将电子束平移通过xy平面中的至少一个第二预定光栅图案框架，其维持熔融光束功率密度水平与第一预定光栅图案框架基本相同，但是改变衬底光束功率密度水平以使监视条件恢复到预定条件; 并且在一个或多个第二位置重复上述步骤，用于一般地沿着与x-y平面正交的z轴一层一层地建立三维分层金属工件。本文的教导还考虑了一种装置，其包括执行本文中的任何方法的电子控制装置以及根据这些方法制造的制品。

4. 发明申请

US20110114839A1 ELECTRON BEAM LAYER MANUFACTURING USING SCANNING ELECTRON MONITORED CLOSED LOOP CONTROL 有权
标题翻译：使用扫描电子监控闭环控制的电子束层制造
公开(公告)号：US20110114839A1
公开(公告)日：2011-05-19
申请号：US12902520
申请日：2010-10-12
申请人： Scott Stecker , Phillip E. Wollenhaupt
发明人： Scott Stecker , Phillip E. Wollenhaupt
IPC分类号： G21G5/00
CPC分类号： H01J37/304 , B22F3/1055 , B22F2003/1056 , B22F2998/00 , B23K9/042 , B23K15/0013 , B23K15/0086 , B33Y10/00 , B33Y50/02 , C22C14/00 , H01J37/3005 , H01J37/305 , Y02P10/295 , B22F3/003
摘要： A process (and apparatus for performing the process) for layer manufacturing a three-dimensional work piece comprising the steps of; feeding raw material in a solid state to a first predetermined location; exposing the raw material to an electron beam to liquefy the raw material; depositing the raw material onto a substrate as a molten pool deposit, the deposit having a forward edge region in an x-y plane with a forward edge region width and a trailing edge region in the x-y plane with a trailing edge region width, under at least one first processing condition; monitoring the molten pool deposit for at least one preselected condition using detecting of scatter from a scanning electron beam contemporaneously with the depositing step; solidifying the molten pool deposit; automatically altering the first processing condition to a different processing condition based upon information obtained from the comparing step; and repeating steps at one or more second locations for building up layer by layer, generally along a z-axis that is orthogonal to the x-y plane, a three-dimensional work piece.
摘要翻译：一种用于制造三维工件的层的工艺（以及用于执行该工艺的装置），包括以下步骤：将原料以固态进料到第一预定位置; 将原料暴露于电子束以使原料液化; 将原料沉积在基底上作为熔池沉积物，沉积物具有在xy平面中的前边缘区域，具有前边缘区域宽度和在xy平面中具有后缘区域宽度的后缘区域，在至少一个第一处理条件; 使用与沉积步骤同时的扫描电子束的散射检测来监测熔池沉积物的至少一个预选条件; 凝固熔池沉积物; 基于从所述比较步骤获得的信息，自动地将所述第一处理条件改变为不同的处理条件; 并且在一个或多个第二位置重复步骤，以逐层建立，一般沿着与x-y平面正交的z轴，三维工件。

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