ADDITIVE MANUFACTURING METHOD AND APPARATUS
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
May 18, 2022
filing date -
May 20, 2021
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Abstract
An apparatus and method are provided for additive manufacturing. The apparatus includes a work surface, a material depositing device for depositing a layer of powder material onto the work surface or onto a previous deposited layer of powder material, and an energy directing device configured to direct an energy beam towards the work surface. The method includes depositing a first powder material in a first pattern which corresponds to a cross-section surface of the to be manufactured object, depositing a second powder material in a second pattern such that the first and second powder material together provide a continuous layer of powder material, wherein the material of the second powder is different from the material of the first powder, and irradiating said layer of powder material by the energy beam in order to meld at least a part of the first powder material only.
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