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Desktop Metal Inc patents


Recent patent applications related to Desktop Metal Inc. Desktop Metal Inc is listed as an Agent/Assignee. Note: Desktop Metal Inc may have other listings under different names/spellings. We're not affiliated with Desktop Metal Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Desktop Metal Inc-related inventors


Decomposing polymer binders for additive manufacturing feedstock

Techniques and compositions are disclosed for feedstocks with powder/binder systems for three-dimensional printing, such as fused filament fabrication. For example, a feedstock may include a primary binder and a secondary binder for supporting a shape of a three-dimensional object through processing into a final part. ... Desktop Metal Inc

Binder distribution in additively manufactured parts

Techniques and compositions are disclosed for feedstocks with powder/binder systems for three-dimensional printing, such as fused filament fabrication. For example, a plurality of feedstocks may be combined to form a three-dimensional object having a spatial gradient of a first primary binder and a second primary binder. ... Desktop Metal Inc

Dissolving polymer binders for additive manufacturing feedstock

Techniques and compositions are disclosed for feedstocks with powder/binder systems for three-dimensional printing, such as fused filament fabrication. For example, a feedstock may include a first high polymer and a second polymer for supporting a shape of a three-dimensional object through various processing stages. ... Desktop Metal Inc

Composite feedstock for additive manufacturing

Techniques and compositions are disclosed for composite feedstocks with powder/binder systems suitable for three-dimensional printing, such as fused filament fabrication. The composite feedstocks may include a jacket about a core, with at least the core including a powder material suspended in a binder system and the jacket having a hardness or toughness greater than a hardness or toughness of the core for the feedstock. ... Desktop Metal Inc

Shrinkable support structures

A variety of additive manufacturing techniques can be adapted to fabricate a substantially net shape object from a computerized model using materials that can be debound and sintered into a fully dense metallic part or the like. However, during sintering, the net shape will shrink as binder escapes and the base material fuses into a dense final part. ... Desktop Metal Inc

Controlling layer separation in stereolithographic fabrication

Systems, methods, and components are disclosed for controlling layer separation in stereolithographic fabrication of three-dimensional objects. Each layer of the three-dimensional object can be cured and separated in discrete portions to facilitate controlling forces in the layers of a three-dimensional object. ... Desktop Metal Inc

Controlling light penetration for stereolithographic manufacturing of dense objects

Systems, methods, components, and materials are disclosed for stereolithographic fabrication of three-dimensional objects. A resin including particles dispersed in a binder system can be substantially transparent to light of a wavelength sufficient to cure at least one component of the binder system. ... Desktop Metal Inc

Debindable resins for stereolithographic manufacturing

Systems, methods, components, and materials are disclosed for stereolithographic fabrication of three-dimensional, dense objects. A resin including a first binder, a second binder, and dispersed particles can be exposed an activation light source to cure at least one of the binders in a layer-by-layer process to form a green object including the first binder, the second binder, and the particles. ... Desktop Metal Inc

Printer with dual extruders for fabricating removable supports

Support structures are used in certain additive fabrication processes to permit fabrication of a greater range of object geometries. For additive fabrication processes with materials that are subsequently sintered into a final part, a printer is configured to further fabricate an interface layer between the object and the support structure in order to inhibit bonding between adjacent surfaces of the support structure and the object during sintering.. ... Desktop Metal Inc

Printer with dual extruders for fabricating removable supports

Support structures are used in certain additive fabrication processes to permit fabrication of a greater range of object geometries. For additive fabrication processes with materials that are subsequently sintered into a final part, a printer is configured to further fabricate an interface layer between the object and the support structure in order to inhibit bonding between adjacent surfaces of the support structure and the object during sintering.. ... Desktop Metal Inc

Fabricating multi-part assemblies

Techniques are disclosed for fabricating multi-part assemblies. In particular, by forming release layers between features such as bearings or gear teeth, complex mechanical assemblies can be fabricated in a single additive manufacturing process.. ... Desktop Metal Inc

Additive manufacturing with metallic composites

A class of metallic composites is described with advantageous bulk properties for additive fabrication. In particular, the composites described herein can be used in fused filament fabrication or any other extrusion or deposition-based three-dimensional printing process.. ... Desktop Metal Inc

Controlling meniscus position for magnetohydrodynamic metal manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. Electric current delivered to a meniscus of the liquid metal in a quiescent state can be directed to exert a pullback force on the liquid metal. ... Desktop Metal Inc

Molten material interfaces for magnetohydrodynamic metal manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal from a nozzle along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. Electrodes used to deliver electric current across a firing chamber of the nozzle are formed of the same material as the liquid metal being ejected from the nozzle. ... Desktop Metal Inc

09/07/17 / #20170252828

Material supply for magnetohydrodynamic metal manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal from a nozzle along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. A feeder system can provide a continuous or substantially continuous supply of a solid metal to the nozzle to facilitate a correspondingly continuous or substantially continuous process for ejecting liquid metal as part of a commercially viable manufacturing process.. ... Desktop Metal Inc

09/07/17 / #20170252827

Magnetohydrodynamic deposition rate control for metal manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. An electric current delivered to produce the magnetohydrodynamic forces can be controlled between a pulsed electric current and a direct electric current to change the rate of liquid metal ejection from a nozzle. ... Desktop Metal Inc

09/07/17 / #20170252826

Magnetic field control for magnetohydrodynamic metal manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. Magnets used to form the magnetohydrodynamic forces are thermally managed to facilitate directing strong magnetic fields into liquid metals at high temperatures. ... Desktop Metal Inc

09/07/17 / #20170252825

Magnetohydrodynamic formation of support structures for metal manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. Porosity of one or more predetermined portions of objects fabricated from an accumulation of liquid metal droplets ejected using magnetohydrodynamic force can be controlled to form interfaces between support structures and parts within the object. ... Desktop Metal Inc

09/07/17 / #20170252824

Controlling quiescent operation of magnetohydrodynamic systems for metal manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. Electric current delivered to a meniscus of the liquid metal in a quiescent state can be pulsed to reduce the likelihood of formation of an oxidation layer in nozzles associated with these devices, systems, and methods. ... Desktop Metal Inc

09/07/17 / #20170252823

Controlling wetting for magnetohydrodynamic metal manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. Nozzles associated with these devices, systems, and methods include one or more non-wetting surfaces in the vicinity of a discharge orifice of the nozzle. ... Desktop Metal Inc

09/07/17 / #20170252822

Material interfaces for magnetohydrodynamic metal manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. Nozzles associated with these devices, systems, and methods include a combination of materials suitable for withstanding prolonged exposure to high temperatures associated with certain liquid metals while facilitating efficient delivery of current to produce magnetohydrodynamic forces controllable over a range of frequencies associated with commercially viable three-dimensional fabrication.. ... Desktop Metal Inc

09/07/17 / #20170252821

Magnetohydrodynamic deposition of metal in manufacturing

Devices, systems, and methods are directed to applying magnetohydrodynamic forces to liquid metal to eject liquid metal along a controlled pattern, such as a controlled three-dimensional pattern as part of additive manufacturing of an object. The magnetohydrodynamic force can be pulsed to eject droplets of the liquid metal to provide control over accuracy of the object being fabricated. ... Desktop Metal Inc

09/07/17 / #20170252820

Semi-solid metallic additive fabrication with temperature control using force feedback

A control loop for extrusion of a metallic build material such as bulk metallic glass measures a force required to extrude the build material, and uses this sensed parameter to estimate a temperature of the build material. The temperature, or a difference between the estimated temperature and a target temperature, can be used to speed or slow extrusion of the build material to control heat transfer from a heating system along the feedpath. ... Desktop Metal Inc

09/07/17 / #20170252819

Build surfaces for semi-solid metallic additive fabrication

A printer fabricates an object from a computerized model using a fused filament fabrication process and a metallic build material. A build plate that receives the object during fabrication includes a coating of material with a low melt temperature, such as a low melt temperature solder. ... Desktop Metal Inc

09/07/17 / #20170252818

Dissolvable bulk metallic glass support materials

A printer fabricates an object from a computerized model using a fused filament fabrication process and a metallic build material. A thermally compatible support structure may be formed to support regions of the object using a dissolvable bulk metallic glass.. ... Desktop Metal Inc

09/07/17 / #20170252817

Nozzle cleaning for semi-solid deposition nozzles

A printer fabricates an object from a computerized model using a fused filament fabrication process and a metallic build material. A nozzle cleaning fixture may be provided for the printer that is shaped to physically dislodge solidified build material and other contaminants from the nozzle. ... Desktop Metal Inc

09/07/17 / #20170252816

Z-axis position detection in additive manufacturing

A printer fabricates an object from a computerized model using a fused filament fabrication process and a metallic build material. One or more contact probes may be used to detect a height and/or position of a nozzle, e.g., to zero, center, or otherwise calibrate the nozzle prior to a print, or to determine a height relative to a deposited layer of build material during fabrication.. ... Desktop Metal Inc

09/07/17 / #20170252815

Monitoring temperature with seebeck effect

A printer fabricates an object from a computerized model using a fused filament fabrication process and a metallic build material. The seebeck effect can be employed to monitor a temperature difference between a build material and a nozzle that is extruding the build material based on voltage. ... Desktop Metal Inc

09/07/17 / #20170252814

Plasma depassivation

A printer fabricates an object from a computerized model using a fused filament fabrication process and a metallic build material. A plasma depassivation wash is applied during deposition to remove oxidation and improve interlayer bonding between successive layers of the metallic build material. ... Desktop Metal Inc

09/07/17 / #20170252813

Energy directors for additive fabrication using semi-solid metallic extrusion

A printer fabricates an object from a computerized model using a fused filament fabrication process and a build material. One or more energy directors such as ridges are formed in an exposed surface of the deposited build material to provide regions of high, localized contact force that can improve interlayer bonding between successive layers of the build material. ... Desktop Metal Inc

09/07/17 / #20170252812

Spread forming deposition

A printer fabricates an object from a build material based on a computerized model and a fused filament fabrication process. A nozzle for depositing the build material has an interior diameter approaching an outer diameter of build material fed to the nozzle in order to reduce extrusion and resistance forces imposed by the nozzle during deposition, while adequately constraining a planar position of the build material for accurate material deposition in a computer-controlled fabrication process.. ... Desktop Metal Inc

09/07/17 / #20170252811

Selective pneumatic jetting of metal for additive manufacturing

Devices, systems, and methods are directed to switching between pneumatically actuated ejection and electrically actuated ejection of liquid metal from a nozzle moving along a controlled three-dimensional pattern to fabricate a three-dimensional object. Electrically actuated ejection can be useful, for example, for delivering discrete droplets in areas of the object requiring a high degree of accuracy. ... Desktop Metal Inc

09/07/17 / #20170252810

Sediment controlling in pneumatic jetting of metal for additive manufacturing

Devices, systems, and methods are directed to separating sediment from liquid metal ejected, through pneumatic force, from a nozzle moving along a controlled three-dimensional pattern to fabricate a three-dimensional object. The separation of the sediment from the liquid metal can reduce the likelihood that the nozzle will become clogged or otherwise degraded during fabrication of the three-dimensional object or over the course of fabrication of multiple objects. ... Desktop Metal Inc

09/07/17 / #20170252809

Tuning pneumatic jetting of metal for additive manufacturing

Devices, systems, and methods are directed to adjusting a pneumatic circuit associated with pneumatic ejection of liquid metal from a nozzle as the nozzle moves along a controlled three-dimensional pattern to fabricate a three-dimensional object. The adjustment of the pneumatic circuit can facilitate adjusting a pressure profile within the nozzle as pressurized gas moves through the nozzle to eject, through pneumatic force, liquid metal from the nozzle. ... Desktop Metal Inc

09/07/17 / #20170252808

Pneumatic jetting of metal for additive manufacturing

Devices, systems, and methods are directed to the pneumatic ejection of liquid metal from a nozzle moving along a controlled three-dimensional pattern to fabricate a three-dimensional object through additive manufacturing. The metal is movable into the nozzle as a valve is actuated to control movement of pressurized gas into the nozzle. ... Desktop Metal Inc

06/29/17 / #20170182560

Removable support structure with an interface formed by crystallization of bulk metallic glass

A printer fabricates an object from a computerized model using a fused filament fabrication process and a bulk metallic glass build material. By heating the bulk metallic glass at an elevated temperature in between an object and adjacent support structures, an interface layer can be interposed between the object and support where the bulk metallic glass becomes crystallized to create a more brittle interface that facilitates removal of the support structure from the object after fabrication.. ... Desktop Metal Inc

06/22/17 / #20170173879

Fused filament fabrication extrusion nozzle with concentric rings

A printer fabricates an object from a computerized model using a fused filament fabrication process. The exit of the nozzle may include a number of concentric rings, where each of which may be selectively opened or closed during extrusion to control extrusion properties such as a volume of extrudate or a mixture of material exiting the nozzle.. ... Desktop Metal Inc

06/22/17 / #20170173878

Fused filament fabrication nozzle with controllable exit shape

A printer fabricates an object from a computerized model using a fused filament fabrication process. The shape of an extrusion nozzle may be varied during extrusion to control, e.g., an amount of build material deposited, a shape of extrudate exiting the nozzle, a feature resolution, and the like.. ... Desktop Metal Inc

06/22/17 / #20170173877

Layer-forming nozzle exit for fused filament fabrication process

A printer fabricates an object from a computerized model using a fused filament fabrication process. A former extending from a nozzle of the printer supplements a layer fusion process by applying a normal force on new material as it is deposited to form the object. ... Desktop Metal Inc

06/22/17 / #20170173697

Removable support structure with an interface formed between thermally mismatched bulk metallic glasses

A printer fabricates an object from a computerized model using a fused filament fabrication process and a bulk metallic glass build material. By using thermally mismatched bulk metallic glasses for an object and adjacent support structures, the interface layer between these structures can be melted and crystallized to create a more brittle interface that facilitates removal of the support structure from the object after fabrication.. ... Desktop Metal Inc

06/22/17 / #20170173695

Additive manufacturing with temporal and spatial tracking of thermal information

A printer fabricates an object from a computerized model using a fused filament fabrication process and a metallic build material such as a bulk metallic glass. A thermal history of the object may be maintained, e.g., on a voxel-by-voxel basis in order to maintain a thermal budget throughout the object suitable for preserving the amorphous, uncrystallized state of the bulk metallic glass, and to provide a record for prospective use and analysis of the object.. ... Desktop Metal Inc

06/22/17 / #20170173694

Bulk metallic glass printer with shearing engine in feed path

A printer fabricates an object from a computerized model using a fused filament fabrication process and a bulk metallic glass. A shearing engine within a feed path for the bulk metallic glass actively induces a shearing displacement of the bulk metallic glass to mitigate crystallization, more specifically to extend processing time for handling the bulk metallic glass at elevated temperatures.. ... Desktop Metal Inc

06/22/17 / #20170173693

Joule heating for improved interlayer bonding in fused filament fabrication of metallic objects

A printer fabricates an object from a computerized model using a fused filament fabrication process and a metallic build material. Joule heating is applied to an interface between adjacent layers of the object by creating an electrical circuit across the interface and applying pulsed current sufficient to join the metallic build material across the adjacent layers.. ... Desktop Metal Inc

06/22/17 / #20170173692

Metal printer with vibrating ultrasound nozzle

In an aspect, a printer fabricates an object from a computerized model using a fused filament fabrication process and a metallic build material. An ultrasonic vibrator is incorporated into the printer to improve the printing process, e.g., by disrupting a passivation layer on the deposited material to improve interlayer bonding, and to prevent adhesion of the metallic build material to a nozzle and other printer components.. ... Desktop Metal Inc

03/02/17 / #20170056970

Control of a three-dimensional printing process using estimated thermal parameters

Thermal parameters for an additive manufacturing process are estimated using computer modeling, and these thermal parameters are used to control the additive manufacturing process. For example, the thermal parameters may be estimated based on bulk material properties, object geometry, control signals to thermal components of a system, and so forth.. ... Desktop Metal Inc

03/02/17 / #20170056967

Control of metallic electrohydrodynamic three-dimensional printing using feedback of surface characteristics

A metallic electrohydrodynamic (ehd) three-dimensional printer fabricates an object while surface characteristics of the object are monitored. Sensors acquire data on surface characteristics, and feedback related to these surface characteristics is used to adjust the fabrication process, e.g., where the surface characteristics deviate from a target surface shape.. ... Desktop Metal Inc

03/02/17 / #20170056966

Three-dimensional electrohydrodynamic printing of metallic objects

An additive manufacturing system uses electrohydrodynamic (ehd) printing techniques to form a metallic object based upon a digital model. A metal build material is melted within a reservoir and expelled through an outlet of an expeller in a controlled manner using ehd force to modulate surface tension on a meniscus of the liquid metal at the outlet of the expeller. ... Desktop Metal Inc








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