8results about "3-dimensional image production" patented technology

The present invention includes a method for forming an object within a volume containing a photocurable composition described herein, the photocurable composition including a photocurable resin component and a photoswitchable photoinitiator including a P-type photochromic molecule. The present invention also includes a photoswitchable photoinitiator including a P-type photochromic molecule, preferably including a P-type diarylethene molecule, and a photocurable composition and method including such a photoswitchable photoinitiator.

The present disclosure relates to a method for at least one of forming a part or modifying a part, and a system therefor. The method involves initially providing a planar structure having a first material layer disposed on a second material layer. A lithographic operation including greyscale printing is performed to produce a resist material layer on the first material layer, with the resist material layer having a predetermined three-dimensional pattern extending along X, Y and Z axes, with features helping to define the three-dimensional pattern having differing dimensions along the Z axis, and which acts as a mask. An etch process is then performed, using the mask provided by the resist material layer, to etch the first material layer to impart the pattern of the mask as an etched pattern into the first material layer in accordance with a predetermined selectivity etching ratio, such that the etched pattern in the first material layer includes features formed with greater dimensions than corresponding features in the mask of the resist material layer.

The disclosure relates to the field of micro-nano structure-enhanced heat transfer surfaces and provides a 3D printing-assisted multi-scale metal three-dimensional surface structure preparation method and product. The method includes the following steps. A micron-level and highly-precise three-dimensional structure mask is prepared through a 3D printing technology, the hollow portion of mask is matched with the target structure model. Material conversion is performed on a metal matrix fixed with the mask, and a target metal is obtained. Herein, the metal matrix is machined first, and a surface of the target metal is matched with the structure model. In the preparation method provided in the disclosed embodiment, the precision of the metal structure is improved by improving the precision of the template. The multi-scale and multi-material heat exchange structure with micron-level precision and a complex structure is prepared on the metal surface to improve the heat exchange efficiency of phase change.

Provided herein is a resin composition useful for the production of a three-dimensional object by additive manufacturing, said resin composition including one or more of: (a) a reactive blocked prepolymer including at least one ether subunit; (b) a multifunctional amine chain extender including at least one amide subunit; (c) a photoinitiator; and (d) optionally, a reactive and / or non-reactive diluent. Methods of forming a three-dimensional object with the resin composition and three-dimensional objects formed from the resin composition are also provided.

In a method for lithography-based generative manufacturing of three-dimensional components, in which at least one beam emitted by an electromagnetic radiation source (2) is focused in succession onto a focal point within a material by means of an illumination device (3), whereby volume elements (13) of the material located at the focal point are each solidified by means of multiphoton absorption, the focal point is displaced in a z direction, wherein the z direction corresponds to the direction of incidence of the at least one beam into the material, wherein the displacement of the focal point in the z direction is carried out by means of at least one acousto-optic deflector (6) arranged in the beam path, in which an acoustic wave is generated, the frequency of which is periodically modulated.

This invention discloses a high-speed three-dimensional photolithography system for photonic wire bonding, comprising a laser, a beam expanding and shaping module, a dynamic focusing module, a dual-mirror scanning module, and a processing monitoring module. The laser beam is first expanded and shaped by the beam expanding and shaping module, then enters the dynamic focusing module for variable focusing. The focused beam is then passed through a conjugate orthogonal dual-mirror scanning module to eliminate asymmetric aberrations and vignetting, before entering the processing monitoring module to form a write field for photolithography on the sample. This invention improves the write field area, increases the photolithography processing speed, and enhances the photolithography quality by combining a conjugate orthogonal dual-mirror scanning module that satisfies imaging relationships with the processing monitoring module.

A system and method of producing a three-dimensional object are provided. The method includes providing a volume of radiation-reactive material; illuminating the radiation-reactive material with patterned radiation such that a portion of the volume of radiation-reactive material corresponding to the three-dimensional object reacts to form the three-dimensional object and a remaining portion remains unreacted; and removing the remaining portion of the radiation-reactive material to provide the three-dimensional object. The illuminating the radiation-reactive material with patterned radiation is based on a minimization of deviations of an energy deposition density below a first threshold in an object zone, an unconstrained buffer zone surrounding the object zone, and a minimization of deviations of energy deposition density above a second threshold in a zone surrounding the buffer zone. The object zone corresponds to a location of the three-dimensional object.