Importance

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Abstract

One object on which the present invention is based is to specify an apparatus (101, 201, 301, 401, 501) for production of a mold (117), in particular of a dental mold (117), by means of electrophoretic deposition of particles (115) from a suspension (113, 213), in which case a predetermined spatial shape can be produced deliberately in order in this way to produce the mold (117) as close as possible to its final dimensions and final contour. A further aim is to produce the mold (117) at low cost, with efficient use of resources, quickly and in as simple a manner as possible, with good reproducibility of the method being desirable in order to achieve a low scrap rate. For this purpose, an apparatus (101, 201, 301, 401, 501) is proposed having a chamber (103, 503) for holding the suspension (113, 213), a first electrode (105, 405, 905) which is associated with the chamber (103, 503), a second electrode (107, 207, 307, 407, 807, 907) which is associated with the chamber (103, 503), a mount structure (107, 219, 907), which is associated with the chamber (103, 503) and on which the particles (115) can be deposited, with the mount structure (107, 219, 907) being formed by the second electrode (107, 207, 307, 407, 807, 907) and/or by a deposition element (219) which is arranged between the first electrode (105, 405, 905) and the second electrode (107, 207, 307, 407, 807, 907), and a voltage source (109, 409) for production (52) of an electrical potential difference between the first electrode (105, 405, 905) and the second electrode (107, 207, 307, 407, 807, 907), and having a positioning element (111, 111a) for carrying out a relative movement between the first electrode (105, 405, 905) and the mount structure (107, 219, 907) along a first predetermined path (627) during the electrophoretic deposition. According to a further aspect, a corresponding system (having an apparatus (101, 201, 301, 401, 501) according to the invention and a suspension (113, 213) of particles (115) which can be deposited electrophoretically), a corresponding method, a computer program for controlling an apparatus (101, 201, 301, 401, 501) such as this and a data storage medium having a computer program such as this are intended to be specified.

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First Claim