Abstract: The disclosed exemplary apparatuses, systems and methods provide a three-dimensional foam molding, produced via a layer-by-layer additive manufacturing process in which regions of respective layers of pulverant are selectively melted via introduction of electromagnetic energy. These apparatuses, systems and methods may include layers of the pulverant comprising at least thermoplastic polyurethane polymer (TPU) coated upon a base particle, wherein the TPU is coated via one of spray drying and a fluidized vessel.

Abstract: Method for roll-to-roll imprinting of components, in which method an imprint resist material layer (5) is applied on a substrate material layer (1) before imprinting the resist layer with a roll mold (3), wherein the imprint resist material (5) is applied on the substrate material layer (1) so, that the imprint resist material layer extends over the side edges of the substrate material layer and on the opposite side of the substrate material layer in relation to the imprinting surface of the substrate material layer in the cross-section of the substrate material layer together with the applied imprint resist material layer.

Abstract: A three-dimensional (3D) printing system is configured to manufacture a three-dimensional 3D article in a layer-by-layer manner. The 3D printing system includes a resin vessel, a tank agitation subsystem, a fabrication subsystem, and a controller. The resin vessel is configured to contain photocurable resin and has a lower region within a distance H of a bottom surface of the resin vessel. The agitation subsystem includes (a) a grating disposed within the lower region of the resin vessel and (b) an agitation movement mechanism coupled to the grating. The fabrication subsystem is configured to form the 3D article by a layer-by-layer selective curing of the photocurable resin. The controller is configured to operate the agitation movement mechanism to oscillate the grating along a lateral Y-axis to remix filler particulates within the photocurable resin.

Abstract: A build plate includes a surface that defines at least one opening configured for disposal of a proximal portion of a screw shaft. The proximal portion is formed by a first manufacturing method and defines a distal face. The proximal portion is connected with the surface in a configuration to orient the distal face for forming a distal portion of the screw shaft thereon by a second manufacturing method that includes an additive manufacturing apparatus. In some embodiments, systems, spinal constructs, surgical instruments and methods are disclosed.

Abstract: The present invention relates generally to using upconverting inks for producing highly-resolved patterns for inter alia, security applications. More specifically, the present invention relates to the use of sols (inks) and printing processes that produce well-defined printed features consisting of polymers impregnated with luminescent upconversion nanocrystals. The patterns printed using such inks and processes may exhibit defined shapes, characters of text, and various other types of images.

Abstract: Described herein are methods, systems and apparatus (including associated control methods, systems and apparatus), for the production of a three-dimensional object by “bottom up” additive manufacturing, in which a carrier is vertically reciprocated with respect to a build surface, to enhance or speed the refilling of the build region with a solidifiable liquid. In preferred (but not necessarily limiting) embodiments, the three-dimensional object is produced from a liquid interface by continuous liquid interface production (i.e., “CLIP”).

Abstract: A template manufacturing method includes preparing a structure including a first substrate and a stacked body that is provided on the first substrate, the stacked body including a first lower layer including a first material, a first upper layer provided on the first lower layer including a second material different from the first material, and a first cover layer provided on a first cover region of the first upper layer and including a third material different from the second material. The method further includes forming a first resist layer on a portion of the first cover layer and on a first portion of the first upper layer, and exposing a second portion of the upper layer. The method yet further includes removing the second portion of the first upper layer using the first cover layer and the first resist layer as a mask.

Abstract: A system is disclosed for use in additively manufacturing an object. The system may have a reinforcement supply, a matrix supply, and a wetting module configured to separately receive reinforcement from the reinforcement supply and matrix from the matrix supply and to discharge the reinforcement wetted with the matrix. The wetting module may include a body forming an enclosure and having an inlet end configured to receive the reinforcement and an outlet end configured to discharge the reinforcement wetted with the matrix. The wetting module may also include a plurality of nozzles dividing the enclosure into at least a wetting chamber.

Abstract: The purpose of the present invention is to provide a resin composition for forming three-dimensionally shaped objects having high dimensional accuracy. In order to achieve the purpose, the resin composition is used in a three-dimensional shaping method wherein either forming a thin layer that comprises a particulate resin composition and selectively irradiating the thin layer with laser light are repeated or melt-extruding a resin composition into a filament shape and forming a layer of the filament-shaped extruded resin composition are repeated, thereby forming a three-dimensionally shaped object. The resin composition has a particulate or filament shape, comprises polysaccharide nanofibers and a resin, and has a content of the polysaccharide nanofibers of 1-70 mass %. In the resin composition, the maximum value of loss modulus at temperatures in the range of (melting temperature)±20° C. is 10-1,000 times the minimum value of loss modulus at temperatures in the range of (melting temperature)±20° C.

Abstract: The present invention provides an imprint method that performs a process of forming a pattern of an imprint material on a substrate using a mold, for each of a plurality of shot regions on the substrate, the process including: dispensing the imprint material onto the substrate; moving, to below the mold, the substrate on which the imprint material is dispensed; and supplying, in a moving path of the substrate in the moving, a first gas that promotes filling of the imprint material into a pattern of the mold, wherein in a case where a target shot region to be subjected to the process meets a predetermined condition, supplying a second gas having a lower oxygen concentration than air onto the substrate is additionally executed for the target shot region after the supplying the first gas.

Abstract: An insert molding component includes a primary molding section having a concave portion formed in one surface thereof, the concave portion including stepped lower and upper concave portions, an insert component disposed on a bottom surface of the lower concave portion, a heat-insulating component disposed in the upper concave portion above an opening of the lower concave portion in which the insert component is disposed, and a secondary molding section disposed in contact with the one surface of the primary molding section.

Abstract: Systems and methods for producing a reversible hemiaminal or aminal gel composition for use in 3D printing, the method including preparing a liquid precursor composition, the liquid precursor composition operable to remain in a first liquid state at about room temperature, where the liquid precursor composition comprises: an organic amine composition; an aldehyde composition; a polar aprotic organic solvent; and a carbon nanomaterial; heating the liquid precursor composition to transition from the liquid state to a gel state; transitioning the gel state to a second liquid state; and 3D printing a solid carbon nanomaterial object comprising a solid printed gel from the second liquid state with a pre-determined orientation for the carbon nanomaterial.

Abstract: A method of making a three-dimensional object by additive manufacturing from a blended resin including (i) at least one light polymerizable first component and, (ii) at least one, or a plurality of, second solidifiable components that are different from said first component, the method including: providing a first resin and a second resin, where the resins produce three-dimensional objects having different mechanical properties from one another when all are produced under the same process conditions; mixing the first and second resins with one another to produce the blended resin, the blended resin producing a three-dimensional object having mechanical properties intermediate between that of objects produced by the first and second resins when all are produced under the same process conditions; and dispensing the blended resin to the build region of an additive manufacturing apparatus; and then optionally but preferably producing a three-dimensional object from the blended resin in the apparatus.

Abstract: Described are 3D printing platforms comprising stereolithographic 3D printing devices utilizing a static optical assembly and procedural modeling applications representing 3D scenes as signed distance function. Described are also structures such as bioreactors that can be printed using such platforms, as well as characteristics and used thereof.

Abstract: A coated sheet for use in additive manufacturing includes a base polymer layer formed of a base polymer material and a coating polymer layer formed of a coating polymer material. At least the coating polymer material is susceptible to dielectric heating in response to electromagnetic radiation, thereby promoting fusion between adjacent coated sheets during the additive manufacturing process. Specifically, when electromagnetic radiation is applied to at least an interface area between adjacent coated sheets, the polymer coating layer of each coated sheet melts to diffuse across an interface area, thereby preventing formation of voids. The base polymer material and the coating polymer material also may have similar melting points and compatible solubility parameters to further promote fusion between sheets.

Abstract: A method of shaping a preform includes: laminating plural dry tape members each including a binder and fiber while partly heat-sealing the dry tape members with the binder to provisionally fasten each dry tape member to an adjacent dry tape member; bending the dry tape members having been provisionally fastened, along a bending line; and heat-sealing the dry tape members having been bent with the binder to manufacture a shaped dry preform. At the laminating, at least one of the followings is satisfied: (i) an amount of heat-sealing with the binder is changed in an area along the bending line, (ii) an amount of heat-sealing with the binder is different between portions adjacent to and on opposite sides of the area along the bending line, or (iii) an amount of heat-sealing with the binder is different between portions adjacent to each other at the bending line as a border.

Abstract: A polymerizable liquid that can be used for producing three-dimensional objects by methods of additive manufacturing is disclosed. The polymerizable liquid may comprise: (a) a blocked or reactively blocked polyurethane prepolymer; (b) (optional) a reactive diluent; (c) a blocked or reactively blocked curing agent; (d) a photoinitiator; and (e) (optional) a blocked or reactively blocked diisocyanate. The method using such polymerizable liquid to form three-dimensional objects is also described.

Abstract: A process for support material removal for 3D printed parts wherein the part is placed in a media filled tank and support removal is optimized in a multi-parameter system through an artificial intelligence process which may include, but is not limited to, the use of historical data, parametric testing data, normal support removal data, and outputs from other support removal AI models to generate optimally efficient use of each parameter in terms of pulse repetition interval (PRI) and cycle time as defined by pulse width (PW). The input parameters may include heat, circulation, ultrasound and chemical reaction, which are used in sequence and/or in parallel, to optimize efficiency of support removal. Sequentially and/or in parallel, heat, pump circulation and ultrasound may vary in application or intensity. Selection of means of agitation depends on monitored feedback from the support removal tank and application of a statistically dynamic rule based system (SDRBS).

Abstract: Devices, systems, and methods are directed to binder jetting for forming three-dimensional parts having controlled, macroscopically inhomogeneous material composition. In general, a binder may be delivered to each layer of a plurality of layers of a powder of inorganic particles. An active component may be introduced, in a spatially controlled distribution, to at least one of the plurality of layers such that the binder, the powder of inorganic particles, and the active component, in combination, form an object. The object may be thermally processed into a three-dimensional part having a gradient of one or more physicochemical properties of a material at least partially formed from thermally processing the inorganic particles and the active component of the object.

Abstract: The present invention provides solvent-based high opacity inks and coatings. The high opacity inks and coatings comprise one or more binders, TiO2 pigment, polymeric void hollowsphere particles, and one or more organic solvents. The inks and coatings may also include mica-based pigments and aluminum pigments. The high opacity inks and coatings of the invention are suitable for use on packaging wherein a high opacity ink or coating is needed to, for example, hide undesired visual effects, or to protect the packaged goods.