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2192 results about "Rapid prototyping" patented technology

Rapid prototyping is a group of techniques used to quickly fabricate a scale model of a physical part or assembly using three-dimensional computer aided design (CAD) data. Construction of the part or assembly is usually done using 3D printing or "additive layer manufacturing" technology.

Rapid prototyping and fabrication method for 3-D food objects

InactiveUS6280785B1Versatile and Realistic Rapid PrototypingRapid productionLayered productsConfectioneryFree formControl signal
A freeform fabrication method for making a three-dimensional food object from a design created on a computer, including: (a) providing a support member by which the object is supported while being constructed; (b) operating a material dispensing head for dispensing a continuous or intermittent strand of food composition in a fluent state; this food composition including a liquid ingredient and a primary body-building food material and the dispensed food composition having a rigidity and strength sufficient for permitting the food composition to be built up layer by layer into a three-dimensional shape in a non-solid state; and (c) operating control devices for generating control signals in response to coordinates of the object design and controlling the position of the dispensing head relative to the support member in response to the control signals to control dispensing of the food composition to construct a 3-D shape of this object. The method optionally includes an additional step of applying a heat treatment to the 3-D shape after this 3-D shape is constructed. This method can be used to form an intricate shape of a cake mix, which is then baked in an oven. It can also be used to form a custom-designed decorative shape on the top surface of a pre-made cake.

Apparatus and method for production of three-dimensional models by spatial light modulator

An apparatus and the method of its operation for rapid prototyping of a three-dimensional object which includes a radiant energy source of a wide beam of radiant energy of suitable intensity and wavelength for curing a layer of photo-curable resin contained in an open vat, a spatial light modulator (SLM) having an array of pixel elements which are individually digitally controllable by a computer, for modulating the radiant energy beam projected from the radiant energy source on a pixel by pixel basis, to form a series of time sequential images of the cross-sectional laminae of the object, an optical system for focusing each image formed by the SLM, one at a time, onto successive layers of photo-curable resin for predetermined exposure times to thereby form stacked laminae of cured resin, each lamina of cured resin being in the shape of a different one of the cross-sectional laminae, and a piston support for lowering each lamina of cured resin after it is formed by the SLM and for depositing a layer of resin corresponding to the thickness of one cross sectional lamina of the three-dimensional object before the step of projecting a new image by the SLM. The SLM, the piston support for lowering, and the optical system operate repeatedly and sequentially until a complete copy of the object is thereby produced.

Method for automatically creating a denture using laser altimetry to create a digital 3-D oral cavity model and using a digital internet connection to a rapid stereolithographic modeling machine

A method is presented for rapidly making and delivering directly to a consumer a full upper and/or lower denture on the basis of contemporaneous digital image information laser scanned from the person's oral cavity after all respective upper and/or lower teeth have been removed, the delivery of the denture occurring substantially contemporaneously with the creation of the contemporaneous digital image information and optionally including and based on archived digital image information laser scanned from the person's oral cavity before all respective upper and/or lower teeth have been removed and digitally stored. According to which this contemporaneous digital image information and archival digital image information of the oral cavity is converted, by means of what is called the rapid prototyping technique and thus with a processing step (20) and a combination of an optional laser scanning step (18) solely for archiving the oral cavity when upper and/or lower teeth are present and a repetition of the laser scanning step (18) at a subsequent time when upper and/or lower teeth have been removed, a pre-selected block of plastic is used in a processing step (26) at a remote rapid modeling facility for receiving and processing digital information to form the block of plastic or like material into a denture of which at least a part is formed to substantially perfectly fit in juxtaposed relationship to the corresponding gums of the consumer. At least, pre-selected outer or non-juxtaposing is selected for manufacture of the denture using an arbitrary archived digital image not derived from the consumer's oral cavity image but selected by the consumer for its style, cosmetic characteristics, for example, color of teeth, size and variety of teeth, and/or perceived suitability.

Methods, apparatus and system to support large-scale micro- systems including embedded and distributed power supply, thermal regulation, multi-distributedsensors and electrical signal propagation

The present invention relates to technologies for integrated circuits and Large Area Integrated Circuits (LAICs), which are integrated circuits made from photo-repetition of one or several reticle image fields, stitched together on at least one lithographic process layer. It also relates to a specific class of LAIC that can connect to the contacts of other ICs placed on its surface, where specific contact detection algorithms means are disclosed. The innovations include means for defect tolerance of serial communication links, means for efficient diagnosis of short and stuck-at faults in regular reconfigurable network, means for a programmable interposer for rapid prototyping of 3D stacked chips, means to build efficient large area micro-system devices (LAMS), with distributed and configurable hierarchical structures for power supply, thermal regulation and signal propagation, means to reduce mechanical / thermal / thermo-mechanical issues in LAMS devices, means to propagate analog signal on a configurable digital network, means to predict thermo-mechanical stress peaks.
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